Merge pull request #157 from CognitiveDisson/addUploadRetryDelay

Add a delay between network request retries
Fix config read
2022-07-15 18:38:20 +01:00 · 2022-07-15 18:01:22 +01:00 · 2022-07-14 18:06:35 +01:00 · 2022-07-14 17:44:31 +01:00 · 2022-07-14 17:38:48 +01:00 · 2022-07-14 17:37:46 +01:00
109 changed files with 3491 additions and 387 deletions
@@ -0,0 +1,65 @@
+---
+name: ⚠️ Bug Report
+about: Something isn't working as expected
+
+---
+
+<!--
+PLEASE HELP US PROCESS GITHUB ISSUES FASTER BY PROVIDING THE FOLLOWING INFORMATION.
+-->
+
+**My integration setup**
+
+[ ] CocoaPods cocoapods-xcremotecache plugin
+[ ] Automatic integration using `xcprepare integrate ...`
+[ ] Manual integration
+[ ] Carthage
+
+**Expected/desired behavior**
+<!-- Describe what the desired behavior would be. -->
+
+**Minimal reproduction of the problem with instructions**
+<!-- Please provide the *STEPS TO REPRODUCE*. -->
+
+**Producer Logs**
+<!-- Capture logs from 10 minutes: `log show --predicate 'sender BEGINSWITH "xc"' --style compact --info --debug -last 10m` -->
+
+<details>
+  <pre> [REPLACE THIS WITH YOUR INFORMATION] </pre>
+</details>
+
+**Consumer Logs**
+<!-- Capture logs from 10 minutes: `log show --predicate 'sender BEGINSWITH "xc"' --style compact --info --debug -last 10m` -->
+
+<details>
+  <pre> [REPLACE THIS WITH YOUR INFORMATION] </pre>
+</details>
+
+**Pods/Carthage file**
+<!-- Delete if you don't use CocoaPods or Carthage -->
+
+<details>
+  <pre> [REPLACE THIS WITH YOUR INFORMATION] </pre>
+</details>
+
+**Environment**
+
+* **XCRemoteCache:** X.Y.Z
+* **cocoapods-xcremotecache:** X.Y.Z <!-- check with `gem list cocoapods-xcremotecache` >
+* **HTTP cache server:** ... <!-- e.g. demo docker, nginx, AWS etc. >
+* **Xcode:** X.Y.Z
+
+**Post build stats**
+<!-- 
+To capture build statistics: 
+* call `xcprepare stats --reset` (or `XCRC/xcprepare stats --reset` for CocoaPods)
+* Build a project in Xcode
+* `xcprepare stats` (or `XCRC/xcprepare stats` for CocoaPods) 
+-->
+
+<details>
+  <pre> [REPLACE THIS WITH YOUR INFORMATION] </pre>
+</details>
+
+**Others**
+<!-- Anything else relevant?  Operating system version, , ... -->
@@ -0,0 +1,16 @@
+---
+name: 📕 Documentation Issue
+about: Suggestion for a change in a documentation
+
+---
+
+<!--
+PLEASE HELP US PROCESS GITHUB ISSUES FASTER BY PROVIDING THE FOLLOWING INFORMATION.
+-->
+
+**A suggestion**
+<!-- Describe how could the documentation be improved. -->
+
+**Which file, section, line**
+<!-- Provide a section it relates (if exist). -->
+
@@ -0,0 +1,20 @@
+---
+name: 🙏 Future Request
+about: Suggestion for an improvement, either behaviour or implementation
+
+---
+
+<!--
+PLEASE HELP US PROCESS GITHUB ISSUES FASTER BY PROVIDING THE FOLLOWING INFORMATION.
+-->
+
+
+**Expected/desired behavior**
+<!-- Describe what the desired behavior would be. -->
+
+**Relevant integration setup**
+
+[ ] CocoaPods cocoapods-xcremotecache plugin
+[ ] Automatic integration using `xcprepare integrate ...`
+[ ] Manual integration
+[ ] Carthage
@@ -9,11 +9,13 @@ jobs:
      - uses: actions/checkout@v1
      - name: SwiftLint
        uses: norio-nomura/action-swiftlint@3.1.0
+        with:
+          args: --strict

  macOS:
-    runs-on: macOS-latest
+    runs-on: macos-12
    env:
-      XCODE_VERSION: ${{ '13.1' }}
+      XCODE_VERSION: ${{ '13.3.1' }}
    steps:
      - name: Select Xcode
        run: "sudo xcode-select -s /Applications/Xcode_$XCODE_VERSION.app"
@@ -0,0 +1,24 @@
+name: Docs
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  docs:
+    runs-on: macos-12
+    env:
+      XCODE_VERSION: ${{ '13.3.1' }}
+    steps:
+      - uses: actions/checkout@v2
+      - name: Select Xcode
+        run: "sudo xcode-select -s /Applications/Xcode_$XCODE_VERSION.app"
+      - name: "Generate documentation"
+        run: "swift package --allow-writing-to-directory ./docs  generate-documentation --target XCRemoteCache --disable-indexing --transform-for-static-hosting --output-path ./docs  --hosting-base-path XCRemoteCache/"
+      - name: Deploy GH-pages
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./docs
+          keep_files: false
@@ -6,9 +6,9 @@ on:
 jobs:
  macOS:
    name: Add macOS binaries to release
-    runs-on: macOS-latest
+    runs-on: macos-12
    env:
-      XCODE_VERSION: ${{ '13.1' }}
+      XCODE_VERSION: ${{ '13.3.1' }}
    steps:
      - name: Select Xcode
        run: "sudo xcode-select -s /Applications/Xcode_$XCODE_VERSION.app"
@@ -5,7 +5,6 @@ disabled_rules:
  - superfluous_disable_command # Disabled since we disable some rules pre-emptively to avoid issues in the future
  - todo                        # Temporarily disabled. We have too many right now hiding real issues :(
  - nesting                     # Does not make sense anymore since Swift 4 uses nested `CodingKeys` enums for example
-  - trailing_dot_in_comments    # Triggers warnings for generated file headers

 opt_in_rules:
  - anyobject_protocol
@@ -64,6 +63,8 @@ excluded:
  - docs/
  - fastlane/
  - DerivedData/
+  - e2eTests/XCRemoteCacheSample/Pods
+  - e2eTests/StandaloneSampleApp

 attributes:
  always_on_same_line:
@@ -88,6 +89,25 @@ file_header:
                     \/\/  Created by .*? on .*\.
                     \/\/  Copyright © \d{4} .*\. All rights reserved\.
                     \/\/
+  required_pattern: |
+                     \/\/ Copyright \(c\) \d{4} Spotify AB\.
+                     \/\/
+                     \/\/ Licensed to the Apache Software Foundation \(ASF\) under one
+                     \/\/ or more contributor license agreements\.  See the NOTICE file
+                     \/\/ distributed with this work for additional information
+                     \/\/ regarding copyright ownership\.  The ASF licenses this file
+                     \/\/ to you under the Apache License, Version 2.0 \(the
+                     \/\/ "License"\); you may not use this file except in compliance
+                     \/\/ with the License\.  You may obtain a copy of the License at
+                     \/\/
+                     \/\/ http:\/\/www.apache.org\/licenses\/LICENSE-2\.0
+                     \/\/
+                     \/\/ Unless required by applicable law or agreed to in writing,
+                     \/\/ software distributed under the License is distributed on an
+                     \/\/ \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+                     \/\/ KIND, either express or implied\.  See the License for the
+                     \/\/ specific language governing permissions and limitations
+                     \/\/ under the License\.
 force_cast: warning
 force_try: warning
 implicit_getter: warning
@@ -124,6 +144,6 @@ custom_rules:
    severity: warning
  trailing_dot_in_comments:
    name: "Trailing dot in comments"
-    regex: '^[ ]*///?[^\n]*\.\n'
+    regex: '^(?!\/\/\ Copyright\ \(c\)\ \d{4}\ Spotify AB\.|\/\/\ under\ the\ License\.)[ ]*///?[^\n]*\.\n'
    message: "There shouldn't be trailing dot in comments"
    severity: warning
@@ -3,16 +3,16 @@
    "pins": [
      {
        "package": "AEXML",
-        "repositoryURL": "https://github.com/tadija/AEXML",
+        "repositoryURL": "https://github.com/tadija/AEXML.git",
        "state": {
          "branch": null,
-          "revision": "8623e73b193386909566a9ca20203e33a09af142",
-          "version": "4.5.0"
+          "revision": "38f7d00b23ecd891e1ee656fa6aeebd6ba04ecc3",
+          "version": "4.6.1"
        }
      },
      {
        "package": "PathKit",
-        "repositoryURL": "https://github.com/kylef/PathKit",
+        "repositoryURL": "https://github.com/kylef/PathKit.git",
        "state": {
          "branch": null,
          "revision": "73f8e9dca9b7a3078cb79128217dc8f2e585a511",
@@ -37,13 +37,22 @@
          "version": "0.0.5"
        }
      },
+      {
+        "package": "SwiftDocCPlugin",
+        "repositoryURL": "https://github.com/apple/swift-docc-plugin",
+        "state": {
+          "branch": null,
+          "revision": "3303b164430d9a7055ba484c8ead67a52f7b74f6",
+          "version": "1.0.0"
+        }
+      },
      {
        "package": "XcodeProj",
        "repositoryURL": "https://github.com/tuist/XcodeProj.git",
        "state": {
          "branch": null,
-          "revision": "0b18c3e7a10c241323397a80cb445051f4494971",
-          "version": "8.0.0"
+          "revision": "c75c3acc25460195cfd203a04dde165395bf00e0",
+          "version": "8.7.1"
        }
      },
      {
@@ -51,8 +60,8 @@
        "repositoryURL": "https://github.com/jpsim/Yams.git",
        "state": {
          "branch": null,
-          "revision": "53741ba55ecca5c7149d8c9f810913ec80845c69",
-          "version": "3.0.0"
+          "revision": "00c403debcd0a007b854bb35e598466207a2d58c",
+          "version": "5.0.0"
        }
      },
      {
@@ -60,8 +69,8 @@
        "repositoryURL": "https://github.com/marmelroy/Zip.git",
        "state": {
          "branch": null,
-          "revision": "80b1c3005ee25b4c7ce46c4029ac3347e8d5e37e",
-          "version": "2.0.0"
+          "revision": "67fa55813b9e7b3b9acee9c0ae501def28746d76",
+          "version": "2.1.2"
        }
      }
    ]
@@ -1,4 +1,5 @@
 // swift-tools-version:5.3
+// swiftlint:disable:previous file_header
 // The swift-tools-version declares the minimum version of Swift required to build this package

 import PackageDescription
@@ -12,10 +13,11 @@ let package = Package(
        .executable(name: "xcprebuild", targets: ["xcprebuild"]),
    ],
    dependencies: [
-        .package(url: "https://github.com/marmelroy/Zip.git", from: "2.0.0"),
-        .package(url: "https://github.com/jpsim/Yams.git", from: "3.0.0"),
+        .package(url: "https://github.com/marmelroy/Zip.git", from: "2.1.2"),
+        .package(url: "https://github.com/jpsim/Yams.git", from: "5.0.0"),
        .package(url: "https://github.com/apple/swift-argument-parser", from: "0.0.1"),
-        .package(url: "https://github.com/tuist/XcodeProj.git", from: "8.0.0"),
+        .package(url: "https://github.com/tuist/XcodeProj.git", from: "8.7.1"),
+        .package(url: "https://github.com/apple/swift-docc-plugin", from: "1.0.0"),
    ],
    targets: [
        .target(
@@ -49,10 +51,14 @@ let package = Package(
            name: "xcld",
            dependencies: ["XCRemoteCache"]
        ),
+        .target(
+            name: "xcldplusplus",
+            dependencies: ["XCRemoteCache"]
+        ),
        .target(
            // Wrapper target that builds all binaries but does nothing in runtime
            name: "Aggregator",
-            dependencies: ["xcprebuild", "xcswiftc", "xclibtool", "xcpostbuild", "xcprepare", "xcld"]
+            dependencies: ["xcprebuild", "xcswiftc", "xclibtool", "xcpostbuild", "xcprepare", "xcld", "xcldplusplus"]
        ),
        .testTarget(
            name: "XCRemoteCacheTests",
@@ -8,6 +8,7 @@ _XCRemoteCache is a remote cache tool for Xcode projects. It reuses target artif
 [![Build Status](https://github.com/spotify/XCRemoteCache/workflows/CI/badge.svg)](https://github.com/spotify/XCRemoteCache/workflows/CI/badge.svg)
 [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](LICENSE)
 [![Slack](https://slackin.spotify.com/badge.svg)](https://slackin.spotify.com)
+[![Docs](https://spotify.github.io/XCRemoteCache/documentation/xcremotecache/)](https://github.com/spotify/XCRemoteCache/workflows/Docs/badge.svg)

 - [How and Why?](#how-and-why)
  * [Accurate target input files](#accurate-target-input-files)
@@ -195,7 +196,9 @@ Configure Xcode targets that **should use** XCRemoteCache:
 * `SWIFT_EXEC` - location of `xcprepare` (e.g. `xcremotecache/xcswiftc`)
 * `LIBTOOL` - location of `xclibtool` (e.g. `xcremotecache/xclibtool`)
 * `LD` - location of `xcld` (e.g. `xcremotecache/xcld`)
+* `LDPLUSPLUS` - location of `xcldplusplus` (e.g. `xcremotecache/xcldplusplus`)
 * `XCRC_PLATFORM_PREFERRED_ARCH` - `$(LINK_FILE_LIST_$(CURRENT_VARIANT)_$(PLATFORM_PREFERRED_ARCH):dir:standardizepath:file:default=arm64)`
+* `SWIFT_USE_INTEGRATED_DRIVER` - `NO` (required in Xcode 14.0+)

 <details>
  <summary>Screenshot</summary>
@@ -264,7 +267,7 @@ $ xcremotecache/xcprepare mark --configuration Debug --platform iphonesimulator

 That command creates an empty file on a remote server which informs that for given sha, configuration, platform, Xcode versions etc. all artifacts are available.

-_Note that for the `producer` mode, the prebuild build phase and `xccc`, `xcld`, `xclibtool` wrappers become no-op, so it is recommended to not add them for the `producer` mode._
+_Note that for the `producer` mode, the prebuild build phase and `xccc`, `xcld`, `xcldplusplus`, `xclibtool` wrappers become no-op, so it is recommended to not add them for the `producer` mode._

 ## A full list of configuration parameters:

@@ -288,13 +291,14 @@ _Note that for the `producer` mode, the prebuild build phase and `xccc`, `xcld`,
 | `cache_commit_history` | Number of historical git commits to look for cache artifacts | `10` | ⬜️ |
 | `source_root` | Source root of the Xcode project | `""` | ⬜️ |
 | `fingerprint_override_extension` | Fingerprint override extension (sample override `Module.swiftmodule/x86_64.swiftmodule.md5`) | `md5` | ⬜️ |
-| `extra_configuration_file` | Configuration file that overrides project configuration | `user.rcinfo` | ⬜️ |
+| `extra_configuration_file` | Configuration file that overrides project configuration (this property can be overriden multiple times in different files to chain extra configuration files) | `user.rcinfo` | ⬜️ |
 | `publishing_sha` | Custom commit sha to publish artifact (producer only) | `nil` | ⬜️ |
 | `artifact_maximum_age` | Maximum age in days HTTP response should be locally cached before being evicted | `30` | ⬜️ |
 | `custom_fingerprint_envs` | Extra ENV keys that should be convoluted into the environment fingerprint | `[]` | ⬜️ |
 | `stats_dir` | Directory where all XCRemoteCache statistics (e.g. counters) are stored | `~/.xccache` | ⬜️ |
 | `download_retries` | Number of retries for download requests | `0` | ⬜️ |
 | `upload_retries` | Number of retries for upload requests | `3` | ⬜️ |
+| `retry_delay` | Delay between retries in seconds | `10` | ⬜️ |
 | `request_custom_headers` | Dictionary of extra HTTP headers for all remote server requests | `[]` | ⬜️ |
 | `thin_target_mock_filename` | Filename (without an extension) of the compilation input file that is used as a fake compilation for the forced-cached target (aka thin target) | `standin` | ⬜️ |
 | `focused_targets` | A list of all targets that are not thinned. If empty, all targets are meant to be non-thin | `[]` | ⬜️ |
@@ -308,10 +312,14 @@ _Note that for the `producer` mode, the prebuild build phase and `xccc`, `xcld`,
 | `prettify_meta_files` | A Boolean value that opts-in pretty JSON formatting for meta files | `false` | ⬜️ |
 | `aws_secret_key` | Secret key for AWS V4 Signature Authorization. If this is set to a non-empty String - an Authentication Header will be added based on this and the other `aws_*` parameters.| `""` | ⬜️ |
 | `aws_access_key` | Access key for AWS V4 Signature Authorization. | `""` | ⬜️ |
+| `aws_security_token` | Temporary security token provided by the AWS Security Token Service. | `nil` | ⬜️ |
 | `aws_region` | Region for AWS V4 Signature Authorization. E.g. `eu`.  | `""` | ⬜️ |
 | `aws_service` | Service for AWS V4 Signature Authorization. E.g. `storage`. | `""` | ⬜️ |
 | `out_of_band_mappings` | A dictionary of files path remapping that should be applied to make it absolute path agnostic on a list of dependencies. Useful if a project refers files out of repo root, either compilation files or precompiled dependencies. Keys represent generic replacement and values are substrings that should be replaced. Example: for mapping `["COOL_LIBRARY": "/CoolLibrary"]` `/CoolLibrary/main.swift`will be represented as `$(COOL_LIBRARY)/main.swift`). Warning: remapping order is not-deterministic so avoid remappings with multiple matchings. | `[:]` | ⬜️ |
 | `disable_certificate_verification` | A Boolean value that opts-in SSL certificate validation is disabled | `false` | ⬜️ |
+| `disable_vfs_overlay` | A feature flag to disable virtual file system overlay support (temporary) | `false` | ⬜️ |
+| `custom_rewrite_envs` | A list of extra ENVs that should be used as placeholders in the dependency list. ENV rewrite process is optimistic - does nothing if an ENV is not defined in the pre/postbuild process. | `[]` | ⬜️ |
+| `irrelevant_dependencies_paths` | Regexes of files that should not be included in a list of dependencies. Warning! Add entries here with caution - excluding dependencies that are relevant might lead to a target overcaching. The regex can match either partially or fully the filepath, e.g. `\\.modulemap$` will exclude all `.modulemap` files. | `[]` | ⬜️ |

 ## Backend cache server

@@ -349,6 +357,8 @@ XCRemoteCache supports Amazon S3 and Google Cloud Storage buckets to be used as

 To set it up use the configuration parameters `aws_secret_key`, `aws_access_key`, `aws_region`, and `aws_service` in the `.rcinfo` file. Specify the URL to the bucket in cache-addresses field in the same file.

+XCRemoteCache also supports [AWS Temporary Access Keys](https://docs.aws.amazon.com/general/latest/gr/aws-sec-cred-types.html#temporary-access-keys). Use additional `aws_security_token` parameter combined with `aws_secret_key`, `aws_access_key` to set it up. [This page](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/configuring-instance-metadata-service.html) describes how to receive a security token. 
+
 Example
 ```yaml
 ...
@@ -402,12 +412,14 @@ Note: This setup is not recommended and may not be supported in future XCRemoteC
 * Recommended: multi-targets Xcode project
 * Recommended: do not use fast-forward PR strategy (use merge or squash instead)
 * Recommended: avoid `DWARF with dSYM File` "Debug Information Format" build setting. Use `DWARF` instead
+* Recommended: avoid having a symbolic link in the source root (e.g. placing a project in `/tmp`) 

 ## Limitations

 * Swift Package Manager (SPM) dependencies are not supported. _Because SPM does not allow customizing Build Settings, XCRemoteCache cannot specify `clang` and `swiftc` wrappers that control if the local compilation should be skipped (cache hit) or not (cache miss)_
 * Filenames with `_vers.c` suffix are reserved and cannot be used as a source file
 * All compilation files should be referenced via the git repo root. Referencing `/AbsolutePath/someOther.swift` or `../../someOther.swift` that resolve to the location outside of the git repo root is prohibited.
+* The new Swift driver (introduced by default in Xcode 14.0) is not supported and has to be disabled when using XCRemoteCache

 ## FAQ

@@ -10,7 +10,7 @@ DERIVED_DATA_DIR = File.join('.build').freeze
 RELEASES_ROOT_DIR = File.join('releases').freeze

 EXECUTABLE_NAME = 'XCRemoteCache'
-EXECUTABLE_NAMES = ['xclibtool', 'xcpostbuild', 'xcprebuild', 'xcprepare', 'xcswiftc', 'xcld'] 
+EXECUTABLE_NAMES = ['xclibtool', 'xcpostbuild', 'xcprebuild', 'xcprepare', 'xcswiftc', 'xcld', 'xcldplusplus'] 
 PROJECT_NAME = 'XCRemoteCache'

 SWIFTLINT_ENABLED = true
@@ -52,7 +52,7 @@ class XCLibtoolCreateUniversalBinary: XCLibtoolLogic {
        let config: XCRemoteCacheConfig
        do {
            let srcRoot: URL = URL(fileURLWithPath: fileManager.currentDirectoryPath)
-            config = try XCRemoteCacheConfigReader(srcRootPath: srcRoot.path, fileManager: fileManager)
+            config = try XCRemoteCacheConfigReader(srcRootPath: srcRoot.path, fileReader: fileManager)
                .readConfiguration()
        } catch {
            errorLog("Libtool initialization failed with error: \(error). Fallbacking to libtool")
@@ -38,7 +38,7 @@ class ThinningCreatorPlugin: ArtifactCreatorPlugin {

    /// Default Initializer
    /// - Parameter targetTempDir: Location of current target-specific temp dir (TARGET_TEMP_DIR)
-    /// - Parameter modeMarkerPath: path of maker file that informs if a given target can reuse remote artifacts.
+    /// - Parameter modeMarkerPath: path of maker file that informs if a given target can reuse remote artifacts
    /// - Parameter dirScanner: scanner to access disk and read files and directories hierarchy
    init(targetTempDir: URL, modeMarkerPath: String, dirScanner: DirScanner) {
        self.targetTempDir = targetTempDir
@@ -94,7 +94,7 @@ class ThinningCreatorPlugin: ArtifactCreatorPlugin {
        // ProducerFast mode:
        // If a target reused already existing artifact, it still has `$(TARGET_TEMP_DIR)/rc.enabled` marker file
        // and the reused zip is placed in:
-        // `$(TARGET_TEMP_DIR)/xccache/{{fileKey}}.zip` location.
+        // `$(TARGET_TEMP_DIR)/xccache/{{fileKey}}.zip` location

        let targetEnabledMarker = tempDir.appendingPathComponent(modeMarkerPath)
        let targetReusedArtifactRootDir = tempDir.appendingPathComponent("xccache")
@@ -25,7 +25,7 @@ class ThinningConsumerPlugin {

    deinit {
        // initialised but never run plugin suggests that standard target fallbacks to the local development
-        // and DerivedData still misses build artifacts.
+        // and DerivedData still misses build artifacts
        guard wasRun else {
            let errorMessage = """
            \(type(of: self)) plugin has never been run, thinning cannot be supported. Verify you \
@@ -153,7 +153,7 @@ class Postbuild {
        // Replace all local paths to the generic ones (e.g. $SRCROOT)
        let remappers = [remapper] + creatorPlugins.compactMap(\.customPathsRemapper)
        let remapper = DependenciesRemapperComposite(remappers)
-        let abstractFingerprintFiles = remapper.replace(localPaths: dependencies.map(\.path))
+        let abstractFingerprintFiles = try remapper.replace(localPaths: dependencies.map(\.path))
        // TODO: use `inputs` read by dependenciesReader
        var meta = MainArtifactMeta(
            dependencies: abstractFingerprintFiles,
@@ -40,6 +40,7 @@ public struct PostbuildContext {
    var mode: Mode
    var targetName: String
    var targetTempDir: URL
+    var derivedFilesDir: URL
    /// Location where all compilation outputs (.o) are placed
    var compilationTempDir: URL
    var configuration: String
@@ -76,19 +77,24 @@ public struct PostbuildContext {
    let derivedSourcesDir: URL
    /// List of all targets to downloaded from the thinning aggregation target
    var thinnedTargets: [String]
-    /// Action type: build, indexbuild etc.
+    /// Action type: build, indexbuild etc
    var action: BuildActionType
    let modeMarkerPath: String
-    /// location of the json file that define virtual files system overlay (mappings of the virtual location file -> local file path)
+    /// location of the json file that define virtual files system overlay
+    /// (mappings of the virtual location file -> local file path)
    let overlayHeadersPath: URL
+    /// Regexes of files that should not be included in the dependency list
+    let irrelevantDependenciesPaths: [String]
 }

 extension PostbuildContext {
+    // swiftlint:disable:next function_body_length
    init(_ config: XCRemoteCacheConfig, env: [String: String]) throws {
        mode = config.mode
        let targetNameValue: String = try env.readEnv(key: "TARGET_NAME")
        targetName = targetNameValue
        targetTempDir = try env.readEnv(key: "TARGET_TEMP_DIR")
+        derivedFilesDir = try env.readEnv(key: "DERIVED_FILE_DIR")
        let archs: [String] = try env.readEnv(key: "ARCHS").split(separator: " ").map(String.init)
        guard let firstArch = archs.first, !firstArch.isEmpty else {
            throw PostbuildContextError.missingArchitecture
@@ -119,7 +125,7 @@ extension PostbuildContext {
        dSYMPath = try env.readEnv(key: "DWARF_DSYM_FOLDER_PATH")
            .appendingPathComponent(env.readEnv(key: "DWARF_DSYM_FILE_NAME"))
        builtProductsDir = try env.readEnv(key: "BUILT_PRODUCTS_DIR")
-        if let contentsFolderPath = env.readEnv(key: "CONTENTS_FOLDER_PATH") {
+        if let contentsFolderPath: String = env.readEnv(key: "CONTENTS_FOLDER_PATH") {
            bundleDir = productsDir.appendingPathComponent(contentsFolderPath)
        } else {
            bundleDir = nil
@@ -131,5 +137,6 @@ extension PostbuildContext {
        modeMarkerPath = config.modeMarkerPath
        /// Note: The file has yaml extension, even it is in the json format
        overlayHeadersPath = targetTempDir.appendingPathComponent("all-product-headers.yaml")
+        irrelevantDependenciesPaths = config.irrelevantDependenciesPaths
    }
 }
@@ -19,6 +19,7 @@

 import Foundation

+// swiftlint:disable type_body_length
 /// Checks current mode from a configuration and based on that:
 /// * triggers build completion
 /// * triggers uploading artifacts to the server for a 'producer' mode
@@ -33,8 +34,9 @@ public class XCPostbuild {
        let context: PostbuildContext
        let cacheHitLogger: CacheHitLogger
        do {
-            config = try XCRemoteCacheConfigReader(env: env, fileManager: fileManager).readConfiguration()
+            config = try XCRemoteCacheConfigReader(env: env, fileReader: fileManager).readConfiguration()
            context = try PostbuildContext(config, env: env)
+            updateProcessTag(context.targetName)
            let counterFactory: FileStatsCoordinator.CountersFactory = { file, count in
                ExclusiveFileCounter(ExclusiveFile(file, mode: .override), countersCount: count)
            }
@@ -66,8 +68,8 @@ public class XCPostbuild {
            // Initialize dependencies
            let primaryGitBranch = GitBranch(repoLocation: config.primaryRepo, branch: config.primaryBranch)
            let gitClient = GitClientImpl(repoRoot: config.repoRoot, primary: primaryGitBranch, shell: shellGetStdout)
-            let envsRemapper = try StringDependenciesRemapperFactory().build(
-                orderKeys: DependenciesMapping.rewrittenEnvs,
+            let envsRemapper = try PathDependenciesRemapperFactory().build(
+                orderKeys: DependenciesMapping.rewrittenEnvs + config.customRewriteEnvs,
                envs: env,
                customMappings: config.outOfBandMappings
            )
@@ -112,6 +114,7 @@ public class XCPostbuild {
                awsV4Signature = AWSV4Signature(
                    secretKey: config.AWSSecretKey,
                    accessKey: config.AWSAccessKey,
+                    securityToken: config.AWSSecurityToken,
                    region: config.AWSRegion,
                    service: config.AWSService,
                    date: Date(timeIntervalSinceNow: 0)
@@ -120,6 +123,7 @@ public class XCPostbuild {
            let networkClient = NetworkClientImpl(
                session: sessionFactory.build(),
                retries: config.uploadRetries,
+                retryDelay: config.retryDelay,
                fileManager: fileManager,
                awsV4Signature: awsV4Signature
            )
@@ -145,24 +149,32 @@ public class XCPostbuild {
                fileDependeciesReaderFactory: fileReaderFactory,
                dirScanner: fileManager
            )
-            // As the PostbuildContext assumes file location and filename (`all-product-headers.yaml`)
-            // do not fail in case of a missing headers overlay file. In the future, all overlay files could be
-            // captured from the swiftc invocation similarly is stored in the `history.compile` for the consumer mode.
-            let overlayReader = JsonOverlayReader(
-                context.overlayHeadersPath,
-                mode: .bestEffort,
-                fileReader: fileManager
-            )
-            let overlayRemapper = try OverlayDependenciesRemapper(
-                overlayReader: overlayReader
-            )
-            let pathRemapper = DependenciesRemapperComposite([overlayRemapper, envsRemapper])
+            var remappers: [DependenciesRemapper] = []
+            if !config.disableVFSOverlay {
+                // As the PostbuildContext assumes file location and filename (`all-product-headers.yaml`)
+                // do not fail in case of a missing headers overlay file. In the future, all overlay files could be
+                // captured from the swiftc invocation similarly is stored in the `history.compile`
+                // for the consumer mode
+                let overlayReader = JsonOverlayReader(
+                    context.overlayHeadersPath,
+                    mode: .bestEffort,
+                    fileReader: fileManager
+                )
+                let overlayRemapper = OverlayDependenciesRemapper(
+                    overlayReader: overlayReader
+                )
+                remappers.append(overlayRemapper)
+            }
+            remappers.append(envsRemapper)
+            let pathRemapper = DependenciesRemapperComposite(remappers)
            let dependencyProcessor = DependencyProcessorImpl(
                xcode: context.xcodeDir,
                product: context.productsDir,
                source: context.srcRoot,
                intermediate: context.targetTempDir,
-                bundle: context.bundleDir
+                derivedFiles: context.derivedFilesDir,
+                bundle: context.bundleDir,
+                skippedRegexes: context.irrelevantDependenciesPaths
            )
            // Override fingerprints for all produced '.swiftmodule' files
            let fingerprintOverrideManager = FingerprintOverrideManagerImpl(
@@ -313,3 +325,4 @@ public class XCPostbuild {
        }
    }
 }
+// swiftlint:enable type_body_length
@@ -63,7 +63,9 @@ class Prebuild {
        do {
            let metaData = try networkClient.fetch(.meta(commit: commit))
            let meta = try metaReader.read(data: metaData)
-            let localDependencies = remapper.replace(genericPaths: meta.dependencies).map(URL.init(fileURLWithPath:))
+            let localDependencies = try remapper.replace(
+                genericPaths: meta.dependencies
+            ).map(URL.init(fileURLWithPath:))
            let localFingerprint = try generateFingerprint(for: localDependencies)
            if localFingerprint.raw != meta.rawFingerprint {
                if context.forceCached {
@@ -43,7 +43,8 @@ public struct PrebuildContext {
    let targetName: String
    /// List of all targets to downloaded from the thinning aggregation target
    var thinnedTargets: [String]?
-    /// location of the json file that define virtual files system overlay (mappings of the virtual location file -> local file path)
+    /// location of the json file that define virtual files system overlay
+    /// (mappings of the virtual location file -> local file path)
    let overlayHeadersPath: URL
 }

@@ -29,8 +29,9 @@ public class XCPrebuild {
        let config: XCRemoteCacheConfig
        let context: PrebuildContext
        do {
-            config = try XCRemoteCacheConfigReader(env: env, fileManager: fileManager).readConfiguration()
+            config = try XCRemoteCacheConfigReader(env: env, fileReader: fileManager).readConfiguration()
            context = try PrebuildContext(config, env: env)
+            updateProcessTag(context.targetName)
        } catch {
            // Fatal error:
            exit(1, "FATAL: Prebuild initialization failed with error: \(error)")
@@ -77,6 +78,10 @@ public class XCPrebuild {
            exit(0)
        }

+        let compilationHistoryOrganizer = CompilationHistoryFileOrganizer(
+            context.compilationHistoryFile,
+            fileManager: fileManager
+        )
        do {
            let envFingerprint = try EnvironmentFingerprintGenerator(
                configuration: config,
@@ -95,6 +100,7 @@ public class XCPrebuild {
                awsV4Signature = AWSV4Signature(
                    secretKey: config.AWSSecretKey,
                    accessKey: config.AWSAccessKey,
+                    securityToken: config.AWSSecurityToken,
                    region: config.AWSRegion,
                    service: config.AWSService,
                    date: Date(timeIntervalSinceNow: 0)
@@ -103,6 +109,7 @@ public class XCPrebuild {
            let networkClient = NetworkClientImpl(
                session: sessionFactory.build(),
                retries: config.downloadRetries,
+                retryDelay: config.retryDelay,
                fileManager: fileManager,
                awsV4Signature: awsV4Signature
            )
@@ -115,22 +122,27 @@ public class XCPrebuild {
            )
            let client: NetworkClient = config.disableHttpCache ? networkClient : cacheNetworkClient
            let remoteNetworkClient = RemoteNetworkClientImpl(client, urlBuilder)
-            let envsRemapper = try StringDependenciesRemapperFactory().build(
-                orderKeys: DependenciesMapping.rewrittenEnvs,
+            let envsRemapper = try PathDependenciesRemapperFactory().build(
+                orderKeys: DependenciesMapping.rewrittenEnvs + config.customRewriteEnvs,
                envs: env,
                customMappings: config.outOfBandMappings
            )
-            // As PrebuildContext assumes file location and its filename (`all-product-headers.yaml`)
-            // do not fail in case of a missing headers overlay file. 
-            let overlayReader = JsonOverlayReader(
-                context.overlayHeadersPath,
-                mode: .bestEffort,
-                fileReader: fileManager
-            )
-            let overlayRemapper = try OverlayDependenciesRemapper(
-                overlayReader: overlayReader
-            )
-            let pathRemapper = DependenciesRemapperComposite([overlayRemapper, envsRemapper])
+            var remappers: [DependenciesRemapper] = []
+            if !config.disableVFSOverlay {
+                // As PrebuildContext assumes file location and its filename (`all-product-headers.yaml`)
+                // do not fail in case of a missing headers overlay file
+                let overlayReader = JsonOverlayReader(
+                    context.overlayHeadersPath,
+                    mode: .bestEffort,
+                    fileReader: fileManager
+                )
+                let overlayRemapper = OverlayDependenciesRemapper(
+                    overlayReader: overlayReader
+                )
+                remappers.append(overlayRemapper)
+            }
+            remappers.append(envsRemapper)
+            let pathRemapper = DependenciesRemapperComposite(remappers)
            let filesFingerprintGenerator = FingerprintAccumulatorImpl(
                algorithm: MD5Algorithm(),
                fileManager: fileManager
@@ -141,10 +153,6 @@ public class XCPrebuild {
                algorithm: MD5Algorithm()
            )
            let organizer = ZipArtifactOrganizer(targetTempDir: context.targetTempDir, fileManager: fileManager)
-            let compilationHistoryOrganizer = CompilationHistoryFileOrganizer(
-                context.compilationHistoryFile,
-                fileManager: fileManager
-            )
            let metaReader = JsonMetaReader(fileAccessor: fileManager)
            var consumerPlugins: [ArtifactConsumerPrebuildPlugin] = []

@@ -182,7 +190,6 @@ public class XCPrebuild {
            case .compatible(localDependencies: let dependencies):
                // TODO: pass `allowedInputFiles` observed in the build time
                try modeController.enable(allowedInputFiles: dependencies, dependencies: dependencies)
-                compilationHistoryOrganizer.reset()
            }
        } catch {
            disableRemoteCache(
@@ -190,6 +197,7 @@ public class XCPrebuild {
                errorMessage: "Prebuild step failed with error: \(error)"
            )
        }
+        compilationHistoryOrganizer.reset()
    }

    private func disableRemoteCache(modeController: PhaseCacheModeController, errorMessage: String?) {
@@ -72,7 +72,17 @@ class TemplateBasedCCWrapperBuilder: CCWrapperBuilder {
        )
        infoLog("ClangWrapperBuilder compiles file at \(compilationFile).")
        // -O3: optimize for faster execution
-        let args = [clangCommand, "-arch", "arm64", "-arch", "x86_64", "-O3", compilationFile.path, "-o", destination.path]
+        let args = [
+            clangCommand,
+            "-arch",
+            "arm64",
+            "-arch",
+            "x86_64",
+            "-O3",
+            compilationFile.path,
+            "-o",
+            destination.path,
+        ]
        let compilationOutput = try shell("xcrun", args, URL(fileURLWithPath: "").path, nil)
        infoLog("Clang compilation output: \(compilationOutput)")
    }
@@ -385,6 +395,8 @@ class TemplateBasedCCWrapperBuilder: CCWrapperBuilder {
            const char *dependency_arg_name = "-MF";
            const char *output_arg_name = "-o";
            const char *serialize_diagnostics_arg_name = "--serialize-diagnostics";
+            const char *language_mode_arg_name = "-x";
+            const char *precompile_header_arg_value = "objective-c-header";
            const char *clang_cmd = "\(clangCommand)";
            const char *markerFile = "\(markerFilename)";
            const char *compilationHistoryFile = "\(compilationHistoryFilename)";
@@ -399,6 +411,7 @@ class TemplateBasedCCWrapperBuilder: CCWrapperBuilder {
            const char *output_file= NULL;
            const char *input_file = NULL;
            const char *diagnostics_file = NULL;
+            const char *language_mode = NULL;

            for (int i = 1; i < argc; i++) {
                if (strcmp(argv[i], dependency_arg_name) == 0 && i < (argc - 1) ) {
@@ -419,6 +432,12 @@ class TemplateBasedCCWrapperBuilder: CCWrapperBuilder {
                    i += 1;
                    clang_args[i] = argv[i];
                    diagnostics_file = argv[i];
+                } if (strcmp(argv[i], language_mode_arg_name) == 0 && i < (argc - 1) ) {
+                    // called with "-x path" pattern and not the last argument
+                    clang_args[i] = argv[i];
+                    i += 1;
+                    clang_args[i] = argv[i];
+                    language_mode = argv[i];
                } else if (
                    isSuffixed(argv[i],".m") ||
                    isSuffixed(argv[i],".mm") ||
@@ -426,10 +445,13 @@ class TemplateBasedCCWrapperBuilder: CCWrapperBuilder {
                    isSuffixed(argv[i],".cc") ||
                    isSuffixed(argv[i],".cpp") ||
                    isSuffixed(argv[i],".c++") ||
-                    isSuffixed(argv[i],".cxx")
+                    isSuffixed(argv[i],".cxx") ||
+                    isSuffixed(argv[i],".S") ||
+                    isSuffixed(argv[i],".s")
                ) {
                    // a full list of extensions is taken from https://clang.llvm.org/docs/ClangFormatStyleOptions.html
                    // support for .m,.mm,.c,.cc,.cpp,.c++,.cxx input files
+                    // .s and .S are assembly files
                    clang_args[i] = argv[i];
                    input_file = argv[i];
                } else {
@@ -438,6 +460,14 @@ class TemplateBasedCCWrapperBuilder: CCWrapperBuilder {
                }
            }

+           // null-terminating the args array needed for local compilation fallback
+           clang_args[argc] = NULL;
+
+           // Verify mode. Even a target is cached, pch mode is not supported. Fallback to the local compilation
+           if (language_mode != NULL && strcmp(language_mode, precompile_header_arg_value) == 0) {
+               return execvp(clang_cmd, (char *const*) clang_args);
+           }
+
           // Verify all input arguments
           if (dependency_file == NULL) {
               fprintf(stderr, "error: missing %s input\\n", dependency_arg_name);
@@ -508,8 +538,6 @@ class TemplateBasedCCWrapperBuilder: CCWrapperBuilder {
               }
           }

-           // null-terminating the args array
-           clang_args[argc] = NULL;
           #pragma GCC diagnostic push
           #pragma GCC diagnostic ignored "-Wincompatible-pointer-types-discards-qualifiers"
           /// execvp takes $PATH to consideration
@@ -33,15 +33,18 @@ protocol BuildSettingsIntegrateAppender {
 class XcodeProjBuildSettingsIntegrateAppender: BuildSettingsIntegrateAppender {
    private let mode: Mode
    private let repoRoot: URL
+    private let fakeSrcRoot: URL

-    init(mode: Mode, repoRoot: URL) {
+    init(mode: Mode, repoRoot: URL, fakeSrcRoot: URL) {
        self.mode = mode
        self.repoRoot = repoRoot
+        self.fakeSrcRoot = fakeSrcRoot
    }

    func appendToBuildSettings(buildSettings: BuildSettings, wrappers: XCRCBinariesPaths) -> BuildSettings {
        var result = buildSettings
        result["SWIFT_EXEC"] = wrappers.swiftc.path
+        result["SWIFT_USE_INTEGRATED_DRIVER"] = "NO"
        // When generating artifacts, no need to shell-out all compilation commands to our wrappers
        if case .consumer = mode {
            result["CC"] = wrappers.cc.path
@@ -61,8 +64,11 @@ class XcodeProjBuildSettingsIntegrateAppender: BuildSettingsIntegrateAppender {
        result["OTHER_SWIFT_FLAGS"] = swiftFlags.settingValue
        result["OTHER_CFLAGS"] = clangFlags.settingValue

-        result["XCRC_FAKE_SRCROOT"] = "/\(String(repeating: "x", count: 10))"
-        result["XCRC_PLATFORM_PREFERRED_ARCH"] = "$(LINK_FILE_LIST_$(CURRENT_VARIANT)_$(PLATFORM_PREFERRED_ARCH):dir:standardizepath:file:default=arm64)"
+        result["XCRC_FAKE_SRCROOT"] = "\(fakeSrcRoot.path)"
+        result["XCRC_PLATFORM_PREFERRED_ARCH"] =
+        """
+        $(LINK_FILE_LIST_$(CURRENT_VARIANT)_$(PLATFORM_PREFERRED_ARCH):dir:standardizepath:file:default=arm64)
+        """
        return result
    }
 }
@@ -35,7 +35,7 @@ struct IncludeExcludeOracle: IncludeOracle {


    func shouldInclude(identifier: OracleIdentifierType) -> Bool {
-        // exclude array has precedence.
+        // exclude array has precedence
        if excludes.contains(identifier) {
            return false
        }
@@ -53,6 +53,7 @@ extension IntegrateContext {
            swiftc: binariesDir.appendingPathComponent("xcswiftc"),
            libtool: binariesDir.appendingPathComponent("xclibtool"),
            ld: binariesDir.appendingPathComponent("xcld"),
+            ldplusplus: binariesDir.appendingPathComponent("xcldplusplus"),
            prebuild: binariesDir.appendingPathComponent("xcprebuild"),
            postbuild: binariesDir.appendingPathComponent("xcpostbuild")
        )
@@ -74,7 +74,7 @@ public class XCIntegrate {
            let binariesDir = commandURL.deletingLastPathComponent()

            let srcRoot: URL = URL(fileURLWithPath: projectPath).deletingLastPathComponent()
-            let config = try XCRemoteCacheConfigReader(srcRootPath: srcRoot.path, fileManager: fileManager)
+            let config = try XCRemoteCacheConfigReader(srcRootPath: srcRoot.path, fileReader: fileManager)
                .readConfiguration()

            let context = try IntegrateContext(
@@ -97,7 +97,8 @@ public class XCIntegrate {
            )
            let buildSettingsAppender = XcodeProjBuildSettingsIntegrateAppender(
                mode: context.mode,
-                repoRoot: context.repoRoot
+                repoRoot: context.repoRoot,
+                fakeSrcRoot: context.fakeSrcRoot
            )
            let lldbPatcher: LLDBInitPatcher
            switch lldbMode {
@@ -26,6 +26,7 @@ struct XCRCBinariesPaths {
    let swiftc: URL
    let libtool: URL
    let ld: URL
+    let ldplusplus: URL
    let prebuild: URL
    let postbuild: URL
 }
@@ -227,13 +227,15 @@ struct XcodeProjIntegrate: Integrate {
        let previousRCPhases = target.buildPhases.filter(isRCPhase)
        target.buildPhases.removeAll(where: previousRCPhases.contains)

-        if target.buildPhases.map(\.buildPhase).contains(.sources) {
+        if let sourceIndex = target.buildPhases.map(\.buildPhase).firstIndex(of: .sources) {
            // add (pre|post)build phases only when a target has some compilation steps
            // otherwise they make no sense (nothing to store in an artifact)
-            pbxproj.add(object: prebuildPhase)
-            target.buildPhases.insert(prebuildPhase, at: 0)
+            // add postbuild right after compilation as custom build steps may depend on files generated by
+            // the xcpostbuild (e.g. to copy -Swift.h.md5)
            pbxproj.add(object: postbuildPhase)
-            target.buildPhases.append(postbuildPhase)
+            target.buildPhases.insert(postbuildPhase, at: sourceIndex + 1)
+            pbxproj.add(object: prebuildPhase)
+            target.buildPhases.insert(prebuildPhase, at: sourceIndex)
        }
    }

@@ -32,7 +32,7 @@ public class XCConfig {
        let fileManager = FileManager.default
        let config: XCRemoteCacheConfig
        do {
-            config = try XCRemoteCacheConfigReader(env: env, fileManager: fileManager).readConfiguration()
+            config = try XCRemoteCacheConfigReader(env: env, fileReader: fileManager).readConfiguration()
        } catch {
            exit(1, "FATAL: Prepare initialization failed with error: \(error)")
        }
@@ -61,7 +61,7 @@ public class XCPrepare {
        var context: PrepareContext
        let xcodeVersion: String
        do {
-            config = try XCRemoteCacheConfigReader(env: env, fileManager: fileManager).readConfiguration()
+            config = try XCRemoteCacheConfigReader(env: env, fileReader: fileManager).readConfiguration()
            context = try PrepareContext(config, offline: offline)
            xcodeVersion = try customXcodeBuildNumber ?? XcodeProbeImpl(shell: shellGetStdout).read().buildVersion
        } catch {
@@ -78,6 +78,7 @@ public class XCPrepare {
                awsV4Signature = AWSV4Signature(
                    secretKey: config.AWSSecretKey,
                    accessKey: config.AWSAccessKey,
+                    securityToken: config.AWSSecurityToken,
                    region: config.AWSRegion,
                    service: config.AWSService,
                    date: Date(timeIntervalSinceNow: 0)
@@ -86,6 +87,7 @@ public class XCPrepare {
            let networkClient = NetworkClientImpl(
                session: sessionFactory.build(),
                retries: config.downloadRetries,
+                retryDelay: config.retryDelay,
                fileManager: fileManager,
                awsV4Signature: awsV4Signature
            )
@@ -46,7 +46,7 @@ public class XCPrepareMark {
        let context: PrepareMarkContext
        let xcodeVersion: String
        do {
-            config = try XCRemoteCacheConfigReader(env: env, fileManager: fileManager).readConfiguration()
+            config = try XCRemoteCacheConfigReader(env: env, fileReader: fileManager).readConfiguration()
            context = try PrepareMarkContext(config)
            xcodeVersion = try xcode ?? XcodeProbeImpl(shell: shellGetStdout).read().buildVersion
        } catch {
@@ -60,6 +60,7 @@ public class XCPrepareMark {
                awsV4Signature = AWSV4Signature(
                    secretKey: config.AWSSecretKey,
                    accessKey: config.AWSAccessKey,
+                    securityToken: config.AWSSecurityToken,
                    region: config.AWSRegion,
                    service: config.AWSService,
                    date: Date(timeIntervalSinceNow: 0)
@@ -68,6 +69,7 @@ public class XCPrepareMark {
            let networkClient = NetworkClientImpl(
                session: sessionFactory.build(),
                retries: config.uploadRetries,
+                retryDelay: config.retryDelay,
                fileManager: fileManager,
                awsV4Signature: awsV4Signature
            )
@@ -36,7 +36,7 @@ public class XCStats {
        let config: XCRemoteCacheConfig
        let context: XCStatsContext
        do {
-            config = try XCRemoteCacheConfigReader(env: env, fileManager: fileManager).readConfiguration()
+            config = try XCRemoteCacheConfigReader(env: env, fileReader: fileManager).readConfiguration()
            try context = XCStatsContext(config, fileManager: fileManager)
        } catch {
            exit(1, "FATAL: Prepare initialization failed with error: \(error)")
@@ -70,7 +70,7 @@ public class XCCreateBinary {
        let config: XCRemoteCacheConfig
        do {
            let srcRoot: URL = URL(fileURLWithPath: fileManager.currentDirectoryPath)
-            config = try XCRemoteCacheConfigReader(srcRootPath: srcRoot.path, fileManager: fileManager)
+            config = try XCRemoteCacheConfigReader(srcRootPath: srcRoot.path, fileReader: fileManager)
                .readConfiguration()
        } catch {
            errorLog("\(stepDescription) initialization failed with error: \(error). Fallbacking to \(fallbackCommand)")
@@ -110,8 +110,8 @@ class SwiftcOrchestrator {
                    try invocationStorage.store(args: invocationArgs)
                }
            } catch {
-                // The critical section is protected by a lock. Some other process already called compilation history.
-                // We only need to call our current step then.
+                // The critical section is protected by a lock. Some other process already called compilation history
+                // We only need to call our current step then
                fallbackToDefault(command: swiftcCommand)
            }
        case .consumer:
@@ -20,7 +20,7 @@
 import Foundation

 enum DiskSwiftcProductsGeneratorError: Error {
-    /// When a generator was asked to generate unknown swiftmodule extension file.
+    /// When a generator was asked to generate unknown swiftmodule extension file
    /// Probably a programmer error: asking to generate excessive extensions, not listed in
    /// `SwiftmoduleFileExtension.SwiftmoduleExtensions`
    case unknownSwiftmoduleFile
@@ -70,7 +70,7 @@ public class XCSwiftc {
        let context: SwiftcContext
        do {
            let srcRoot: URL = URL(fileURLWithPath: fileManager.currentDirectoryPath)
-            config = try XCRemoteCacheConfigReader(srcRootPath: srcRoot.path, fileManager: fileManager)
+            config = try XCRemoteCacheConfigReader(srcRootPath: srcRoot.path, fileReader: fileManager)
                .readConfiguration()
            context = try SwiftcContext(config: config, input: inputArgs)
        } catch {
@@ -83,6 +83,8 @@ public struct XCRemoteCacheConfig: Encodable {
    var downloadRetries: Int = 0
    /// Number of retries for upload requests
    var uploadRetries: Int = 3
+    /// Delay between retries in seconds
+    var retryDelay: Double = 10.0
    /// Extra headers appended to all remote HTTP(S) requests
    var requestCustomHeaders: [String: String] = [:]
    /// Filename (without an extension) of the compilation input file that is used
@@ -95,10 +97,10 @@ public struct XCRemoteCacheConfig: Encodable {
    ///  Disable cache for http requests to fecth metadata and download artifacts
    var disableHttpCache: Bool = false
    /// Path, relative to $TARGET_TEMP_DIR which gathers all compilation commands that should be e
-    /// xecuted if a target switches to local compilation.
+    /// xecuted if a target switches to local compilation
    /// Example: A new `.swift` file invalidates remote arXcodeProjIntegrate.swifttifact and triggers local compilation
    /// When that happens, all previously skipped clang build steps
-    /// need to be eventually called locally - this file lists all these commands.
+    /// need to be eventually called locally - this file lists all these commands
    var compilationHistoryFile: String = "history.compile"
    /// Timeout for remote response data interval (in seconds). If an interval between data chunks is
    /// longer than a timeout, a request fails
@@ -118,19 +120,31 @@ public struct XCRemoteCacheConfig: Encodable {
    var AWSSecretKey: String = ""
    /// Access key for AWS V4 Signature
    var AWSAccessKey: String = ""
+    /// Temporary security token provided by the AWS Security Token Service
+    var AWSSecurityToken: String?
    /// Region for AWS V4 Signature (e.g. `eu`)
    var AWSRegion: String = ""
    /// Service for AWS V4 Signature (e.g. `storage`)
    var AWSService: String = ""
-    /// A dictionary of files path remapping that should be applied to make it absolute path agnostic on a list of dependencies.
-    /// Useful if a project refers files out of repo root, either compilation files or precompiled dependencies.
-    /// Keys represent generic replacement and values are substrings that should be replaced.
+    /// A dictionary of files path remapping that should be applied to make it absolute path agnostic on a list of
+    /// dependencies. Useful if a project refers files out of repo root, either compilation files or precompiled
+    /// dependencies. Keys represent generic replacement and values are substrings that should be replaced
    /// Example: for mapping `["COOL_LIBRARY": "/CoolLibrary"]`
-    /// `/CoolLibrary/main.swift`will be represented as `$(COOL_LIBRARY)/main.swift`).
-    /// Warning: remapping order is not-deterministic so avoid remappings with multiple matchings.
+    /// `/CoolLibrary/main.swift`will be represented as `$(COOL_LIBRARY)/main.swift`)
+    /// Warning: remapping order is not-deterministic so avoid remappings with multiple matchings
    var outOfBandMappings: [String: String] = [:]
    /// If true, SSL certificate validation is disabled
    var disableCertificateVerification: Bool = false
+    /// A feature flag to disable virtual file system overlay support (temporary)
+    var disableVFSOverlay: Bool = false
+    /// A list of extra ENVs that should be used as placeholders in the dependency list
+    /// ENV rewrite process is optimistic - does nothing if an ENV is not defined in the pre/postbuild process
+    var customRewriteEnvs: [String] = []
+    /// Regexes of files that should not be included in a list of dependencies. Warning! Add entries here
+    /// with caution - excluding dependencies that are relevant might lead to a target overcaching
+    /// Note: The regex can match either partially or fully the filepath, e.g. `\\.modulemap$` will exclude
+    /// all `.modulemap` files
+    var irrelevantDependenciesPaths: [String] = []
 }

 extension XCRemoteCacheConfig {
@@ -163,6 +177,7 @@ extension XCRemoteCacheConfig {
        merge.statsDir = scheme.statsDir ?? statsDir
        merge.downloadRetries = scheme.downloadRetries ?? downloadRetries
        merge.uploadRetries = scheme.uploadRetries ?? uploadRetries
+        merge.retryDelay = scheme.retryDelay ?? retryDelay
        merge.requestCustomHeaders = scheme.requestCustomHeaders ?? requestCustomHeaders
        merge.thinTargetMockFilename = scheme.thinTargetMockFilename ?? thinTargetMockFilename
        merge.focusedTargets = scheme.focusedTargets ?? focusedTargets
@@ -179,10 +194,14 @@ extension XCRemoteCacheConfig {
        merge.prettifyMetaFiles = scheme.prettifyMetaFiles ?? prettifyMetaFiles
        merge.AWSAccessKey = scheme.AWSAccessKey ?? AWSAccessKey
        merge.AWSSecretKey = scheme.AWSSecretKey ?? AWSSecretKey
+        merge.AWSSecurityToken = scheme.AWSSecurityToken ?? AWSSecurityToken
        merge.AWSRegion = scheme.AWSRegion ?? AWSRegion
        merge.AWSService = scheme.AWSService ?? AWSService
        merge.outOfBandMappings = scheme.outOfBandMappings ?? outOfBandMappings
        merge.disableCertificateVerification = scheme.disableCertificateVerification ?? disableCertificateVerification
+        merge.disableVFSOverlay = scheme.disableVFSOverlay ?? disableVFSOverlay
+        merge.customRewriteEnvs = scheme.customRewriteEnvs ?? customRewriteEnvs
+        merge.irrelevantDependenciesPaths = scheme.irrelevantDependenciesPaths ?? irrelevantDependenciesPaths
        return merge
    }

@@ -227,6 +246,7 @@ struct ConfigFileScheme: Decodable {
    let statsDir: String?
    let downloadRetries: Int?
    let uploadRetries: Int?
+    let retryDelay: Double?
    let requestCustomHeaders: [String: String]?
    let thinTargetMockFilename: String?
    let focusedTargets: [String]?
@@ -240,10 +260,14 @@ struct ConfigFileScheme: Decodable {
    let prettifyMetaFiles: Bool?
    let AWSSecretKey: String?
    let AWSAccessKey: String?
+    let AWSSecurityToken: String?
    let AWSRegion: String?
    let AWSService: String?
    let outOfBandMappings: [String: String]?
    let disableCertificateVerification: Bool?
+    let disableVFSOverlay: Bool?
+    let customRewriteEnvs: [String]?
+    let irrelevantDependenciesPaths: [String]?

    // Yams library doesn't support encoding strategy, see https://github.com/jpsim/Yams/issues/84
    enum CodingKeys: String, CodingKey {
@@ -271,6 +295,7 @@ struct ConfigFileScheme: Decodable {
        case statsDir = "stats_dir"
        case downloadRetries = "download_retries"
        case uploadRetries = "upload_retries"
+        case retryDelay = "retry_delay"
        case requestCustomHeaders = "request_custom_headers"
        case thinTargetMockFilename = "thin_target_mock_filename"
        case focusedTargets = "focused_targets"
@@ -284,10 +309,14 @@ struct ConfigFileScheme: Decodable {
        case prettifyMetaFiles = "prettify_meta_files"
        case AWSSecretKey = "aws_secret_key"
        case AWSAccessKey = "aws_access_key"
+        case AWSSecurityToken = "aws_security_token"
        case AWSRegion = "aws_region"
        case AWSService = "aws_service"
        case outOfBandMappings = "out_of_band_mappings"
        case disableCertificateVerification = "disable_certificate_verification"
+        case disableVFSOverlay = "disable_vfs_overlay"
+        case customRewriteEnvs = "custom_rewrite_envs"
+        case irrelevantDependenciesPaths = "irrelevant_dependencies_paths"
    }
 }

@@ -300,31 +329,42 @@ class XCRemoteCacheConfigReader {
    /// Name of the configuration file, required in $(SRCROOT) location
    private static let configurationFile = ".rcinfo"
    private let srcRoot: String
-    private let fileManager: FileManager
+    private let fileReader: FileReader
    private lazy var yamlDecorer = YAMLDecoder(encoding: .utf8)

-    init(env: [String: String], fileManager: FileManager) throws {
+    init(env: [String: String], fileReader: FileReader) throws {
        let explicitSrcRoot: String? = env.readEnv(key: "SRCROOT")
-        srcRoot = explicitSrcRoot ?? fileManager.currentDirectoryPath
-        self.fileManager = fileManager
+        srcRoot = explicitSrcRoot ?? FileManager.default.currentDirectoryPath
+        self.fileReader = fileReader
    }

-    init(srcRootPath srcRoot: String, fileManager: FileManager) {
+    init(srcRootPath srcRoot: String, fileReader: FileReader) {
        self.srcRoot = srcRoot
-        self.fileManager = fileManager
+        self.fileReader = fileReader
    }

+    // Reads the final configuration by loading all extra configs
+    // until reaching a config that doesn't override `extraConfigurationFile`
    func readConfiguration() throws -> XCRemoteCacheConfig {
        let rootURL = URL(fileURLWithPath: srcRoot)
        let configURL = URL(fileURLWithPath: Self.configurationFile, relativeTo: rootURL)
        let userConfigs = try readUserConfig(configURL)
        var config = XCRemoteCacheConfig(sourceRoot: srcRoot).merged(with: userConfigs)
-        let extraConfURL = URL(fileURLWithPath: config.extraConfigurationFile, relativeTo: rootURL)
-        do {
-            let extraConfig = try readUserConfig(extraConfURL)
-            config = config.merged(with: extraConfig)
-        } catch {
-            infoLog("Extra config override failed with \(error). Skipping extra configuration")
+        var extraConfURL = URL(fileURLWithPath: config.extraConfigurationFile, relativeTo: rootURL)
+        var visitedFiles = Set([configURL])
+        while !visitedFiles.contains(extraConfURL) {
+            do {
+                let extraConfig = try readUserConfig(extraConfURL)
+                debugLog("Reading extra configuration from \(extraConfURL)")
+                config = config.merged(with: extraConfig)
+                visitedFiles.insert(extraConfURL)
+                // Advance extra configuration
+                extraConfURL = URL(fileURLWithPath: config.extraConfigurationFile, relativeTo: rootURL)
+            } catch {
+                infoLog("Extra config override failed with \(error). Skipping extra configuration")
+                // swiftlint:disable:next unneeded_break_in_switch
+                break
+            }
        }

        return try config.verifyAndApplyDefaults()
@@ -332,7 +372,7 @@ class XCRemoteCacheConfigReader {

    /// Reads user configuration from a file
    private func readUserConfig(_ file: URL) throws -> ConfigFileScheme {
-        let configurationContent = fileManager.contents(atPath: file.path)
+        let configurationContent = try fileReader.contents(atPath: file.path)
        guard let configurationData = configurationContent else {
            throw XCRemoteCacheConfigReaderError.missingConfigurationFile(file)
        }
@@ -51,34 +51,22 @@ public class FileDependenciesReader: DependenciesReader {
    public func findDependencies() throws -> [String] {
        let yaml = try readRaw()

-        struct ParseState {
-            var buffer: String = ""
-            var prevChar: Character?
-            var result: [String] = []
-            func with(buffer: String? = nil, prevChar: Character? = nil, result: [String]? = nil) -> ParseState {
-                var new = self
-                new.buffer = buffer ?? new.buffer
-                new.prevChar = prevChar ?? new.prevChar
-                new.result = result ?? new.result
-                return new
-            }
-        }
-
        let dependencies = yaml.reduce(Set<String>()) { prev, arg1 -> Set<String> in
            let (key, value) = arg1
            switch key {
            case "dependencies":
                // 'clang' output formatting
-                return Set(splitDependencyFileList(value))
+                return Set(parseDependencyFileList(value))
            case let s where s.hasSuffix(".o") || s.hasSuffix(".bc"):
                // 'swiftc' output formatting
-                // take dependencies from any .o or .bc file.
+                // take dependencies from any .o or .bc file
                // Note: For WMO, all .{o|bc} files have the same dependencies
-                return Set(splitDependencyFileList(value))
+                return Set(parseDependencyFileList(value))
            default:
                return prev
            }
        }
+
        return Array(dependencies)
    }

@@ -92,56 +80,92 @@ public class FileDependenciesReader: DependenciesReader {
        return yaml.mapValues { $0.components(separatedBy: .whitespaces) }
    }

-    private func readRaw() throws -> [String: String] {
+    func readRaw() throws -> [String: String] {
+        let fileData = try getFileData()
+        let fileString = try getFileStringFromData(fileData: fileData)
+        let yaml = try getYaml(fileString: fileString)
+        return yaml
+    }
+
+    func getFileData() throws -> Data {
        guard let fileData = fileManager.contents(atPath: file.path) else {
            throw DependenciesReaderError.readingError
        }
+        return fileData
+    }
+
+    func getFileStringFromData(fileData: Data) throws -> String {
        guard let fileString = String(data: fileData, encoding: .utf8) else {
            throw DependenciesReaderError.invalidFile
        }
-        // .d matches the .yaml format
+        return fileString
+    }
+
+    func getYaml(fileString: String) throws -> [String: String] {
        guard let yaml = try Yams.load(yaml: fileString) as? [String: String] else {
            throw DependenciesReaderError.invalidFile
        }
        return yaml
    }

-    /// Splits space or new line separated files into a set of files
+    /// Parses the String to get the list of files
+    /// It iterates over the String using its UTF8View since it is more performant (String type operates
+    /// in a higher abstraction level and supports features that have a negative impact in the performance)
    /// It supports escaping whitespace charaters, prefixed with "\\"
    /// - Parameter string: string of whitespace charaters separated file paths
    /// - Returns: Array of all file paths
-    private func splitDependencyFileList(_ string: String) -> [String] {
-        struct ParseState {
-            var buffer: String = ""
-            var prevChar: Character?
-            var result: [String] = []
-            func with(buffer: String? = nil, prevChar: Character? = nil, result: [String]? = nil) -> ParseState {
-                var new = self
-                new.buffer = buffer ?? new.buffer
-                new.prevChar = prevChar ?? new.prevChar
-                new.result = result ?? new.result
-                return new
-            }
+    func parseDependencyFileList(_ string: String) -> [String] {
+        var result: [String] = []
+        var prevChar: UTF8.CodeUnit?
+
+        // These index are used to move over the UTF8View of the string
+        // The goal is to optimize the memory used, since UTF8View uses
+        // the same memory as the original String without copying it
+        var startIndex = string.utf8.startIndex
+        var endIndex = startIndex
+
+        // This buffer is only used to save the part of the path that has been already parsed when finding a backslash
+        var buffer: String = ""
+
+        for c in string.utf8 {
+          switch c {
+          case UTF8.CodeUnit(ascii: "\n") where prevChar == UTF8.CodeUnit(ascii: "\\"):
+              startIndex = string.utf8.index(after: startIndex)
+              endIndex = startIndex
+          case UTF8.CodeUnit(ascii: " ") where startIndex == endIndex && buffer.isEmpty:
+              startIndex = string.utf8.index(after: startIndex)
+              endIndex = startIndex
+          case UTF8.CodeUnit(ascii: " ") where prevChar != UTF8.CodeUnit(ascii: "\\"):
+              // If a space is found and it is not escaped, then that's the end of the file path
+              buffer += String(Substring(string.utf8[startIndex ..< endIndex]))
+              result.append(buffer)
+              buffer = ""
+              prevChar = nil
+              startIndex = string.utf8.index(after: endIndex)
+              endIndex = startIndex
+          case UTF8.CodeUnit(ascii: "\\"):
+              // If a backslash is found it is not included in the file path
+              // The current parsed range of the UTF8View is saved in the buffer as a String
+              buffer += String(Substring(string.utf8[startIndex ..< endIndex]))
+              // The backslash is assigned as the previous char
+              prevChar = c
+              // The indexes are moved to the next char so we continue parsing the String
+              startIndex = string.utf8.index(after: endIndex)
+              endIndex = startIndex
+          default:
+              // As long as it is possible the indexes are used to track the range of the string that
+              // will be included in the file path (until it ends or until a backslash is found)
+              endIndex = string.utf8.index(after: endIndex)
+              // The char is assigned as the previous char
+              prevChar = c
+          }
        }
-        let parseResult = string.reduce(ParseState()) { total, char in
-            switch char {
-            case "\n" where total.prevChar == "\\":
-                return total
-            case " " where total.buffer.isEmpty:
-                return total
-            case " " where total.prevChar == "\\":
-                return total.with(buffer: "\(total.buffer) ")
-            case " ":
-                return total.with(buffer: "", prevChar: nil, result: total.result + [total.buffer])
-            case "\\":
-                return total.with(prevChar: "\\")
-            default:
-                return total.with(buffer: "\(total.buffer)\(char)", prevChar: char, result: total.result)
-            }
+
+        if startIndex != endIndex {
+            buffer += String(Substring(string.utf8[startIndex ..< endIndex]))
+            result.append(buffer)
        }
-        if !parseResult.buffer.isEmpty {
-            return parseResult.result + [parseResult.buffer]
-        }
-        return parseResult.result
+
+        return result
    }
 }
@@ -22,9 +22,9 @@ import Foundation
 /// Replaces paths formats between generic (placeholders-based) and local
 protocol DependenciesRemapper {
    /// Replaces all generic paths (with placeholders) to a local paths
-    func replace(genericPaths: [String]) -> [String]
+    func replace(genericPaths: [String]) throws -> [String]
    /// Replaces all local paths to the generic dependencies paths
-    func replace(localPaths: [String]) -> [String]
+    func replace(localPaths: [String]) throws -> [String]
 }

 class DependenciesRemapperComposite: DependenciesRemapper {
@@ -34,15 +34,15 @@ class DependenciesRemapperComposite: DependenciesRemapper {
        self.remappers = remappers
    }

-    func replace(genericPaths: [String]) -> [String] {
-        remappers.reversed().reduce(genericPaths) { prev, mapper in
-            mapper.replace(genericPaths: prev)
+    func replace(genericPaths: [String]) throws -> [String] {
+        try remappers.reversed().reduce(genericPaths) { prev, mapper in
+            try mapper.replace(genericPaths: prev)
        }
    }

-    func replace(localPaths: [String]) -> [String] {
-        remappers.reduce(localPaths) { prev, mapper in
-            mapper.replace(localPaths: prev)
+    func replace(localPaths: [String]) throws -> [String] {
+        try remappers.reduce(localPaths) { prev, mapper in
+            try mapper.replace(localPaths: prev)
        }
    }
 }
@@ -59,7 +59,7 @@ final class StringDependenciesRemapper: DependenciesRemapper {
        self.mappings = mappings
    }

-    func replace(genericPaths: [String]) -> [String] {
+    func replace(genericPaths: [String]) throws -> [String] {
        return genericPaths.map { path in
            let localPath = mappings.reversed().reduce(path) { prevPath, mapping in
                prevPath.replacingOccurrences(of: mapping.generic, with: mapping.local)
@@ -68,7 +68,7 @@ final class StringDependenciesRemapper: DependenciesRemapper {
        }
    }

-    func replace(localPaths: [String]) -> [String] {
+    func replace(localPaths: [String]) throws -> [String] {
        return localPaths.map { path in
            let result = mappings.reduce(path) { prevPath, mapping in
                prevPath.replacingOccurrences(of: mapping.local, with: mapping.generic)
@@ -50,7 +50,7 @@ public class FileDependenciesWriter: DependenciesWriter {
        var content = ""
        for (file, deps) in dependencies {
            content.append(file + ": ")
-            content.append(deps.joined(separator: " "))
+            content.append(deps.map { $0.replacingOccurrences(of: " ", with: "\\ ") }.joined(separator: " "))
            content.append("\n")
        }
        try content.write(to: file, atomically: true, encoding: .utf8)
@@ -27,8 +27,11 @@ public struct Dependency: Equatable {
        case source
        case fingerprint
        case intermediate
+        case derivedFile
        // Product of the target itself
        case ownProduct
+        // User-excluded path
+        case userExcluded
        case unknown
    }

@@ -55,14 +58,18 @@ class DependencyProcessorImpl: DependencyProcessor {
    private let productPath: String
    private let sourcePath: String
    private let intermediatePath: String
+    private let derivedFilesPath: String
    private let bundlePath: String?
+    private let skippedRegexes: [String]

-    init(xcode: URL, product: URL, source: URL, intermediate: URL, bundle: URL?) {
+    init(xcode: URL, product: URL, source: URL, intermediate: URL, derivedFiles: URL, bundle: URL?, skippedRegexes: [String]) {
        xcodePath = xcode.path.dirPath()
        productPath = product.path.dirPath()
        sourcePath = source.path.dirPath()
        intermediatePath = intermediate.path.dirPath()
+        derivedFilesPath = derivedFiles.path.dirPath()
        bundlePath = bundle?.path.dirPath()
+        self.skippedRegexes = skippedRegexes
    }

    func process(_ files: [URL]) -> [Dependency] {
@@ -73,10 +80,14 @@ class DependencyProcessorImpl: DependencyProcessor {
    private func classify(_ files: [URL]) -> [Dependency] {
        return files.map { file -> Dependency in
            let filePath = file.resolvingSymlinksInPath().path
-            if filePath.hasPrefix(xcodePath) {
+            if skippedRegexes.contains(where: { filePath.range(of: $0, options: .regularExpression) != nil }) {
+                return Dependency(url: file, type: .userExcluded)
+            } else if filePath.hasPrefix(xcodePath) {
                return Dependency(url: file, type: .xcode)
            } else if filePath.hasPrefix(intermediatePath) {
                return Dependency(url: file, type: .intermediate)
+            } else if filePath.hasPrefix(derivedFilesPath) {
+                return Dependency(url: file, type: .derivedFile)
            } else if let bundle = bundlePath, filePath.hasPrefix(bundle) {
                // If a target produces a bundle, explicitly classify all
                // of products to distinguish from other targets products
@@ -107,7 +118,12 @@ class DependencyProcessorImpl: DependencyProcessor {
        // - All files in `*/Interemediates/*` - this file are created on-fly for a given target
        // - Some files may depend on its own product (e.g. .m may #include *-Swift.h) - we know products will match
        //   because in case of a hit, these will be taken from the artifact
-        let irrelevantDependenciesType: [Dependency.Kind] = [.xcode, .intermediate, .ownProduct]
+        // - Customized DERIVED_FILE_DIR may change a directory of
+        //   derived files, which by default is under `*/Interemediates`
+        // - User-specified (in .rcinfo) files to exclude
+        let irrelevantDependenciesType: [Dependency.Kind] = [
+            .xcode, .intermediate, .ownProduct, .derivedFile, .userExcluded,
+        ]
        return !irrelevantDependenciesType.contains(dependency.type)
    }
 }
@@ -20,20 +20,32 @@
 import Foundation

 /// File paths remapper according the virtual file system mappings
-/// Warning: this class is not thread safe
+/// - Warning: this class is not thread safe
 class OverlayDependenciesRemapper: DependenciesRemapper {
-    private var mappings: [OverlayMapping]
+    private let overlayReader: OverlayReader
+    private var mappings: [OverlayMapping]?

-    init(overlayReader: OverlayReader) throws {
-        mappings = try overlayReader.provideMappings()
+    init(overlayReader: OverlayReader) {
+        self.overlayReader = overlayReader
+    }
+
+    /// Lazily Reads mappings from a file
+    /// - Warning: this function is not thread safe
+    private func getMappings() throws -> [OverlayMapping] {
+        guard let mappings = mappings else {
+            let mappings = try overlayReader.provideMappings()
+            self.mappings = mappings
+            return mappings
+        }
+        return mappings
    }

    private func mapPath(
        _ path: String,
-        source: KeyPath<OverlayMapping,URL>,
-        destination: KeyPath<OverlayMapping,URL>
-    ) -> String {
-        guard let mapping = mappings.first(where: { $0[keyPath: source].path == path }) else {
+        source: KeyPath<OverlayMapping, URL>,
+        destination: KeyPath<OverlayMapping, URL>
+    ) throws -> String {
+        guard let mapping = try getMappings().first(where: { $0[keyPath: source].path == path }) else {
            // TODO: support partial mappings, where a directory path can be replaced with some other directory
            // no direct mapping found
            return path
@@ -41,15 +53,15 @@ class OverlayDependenciesRemapper: DependenciesRemapper {
        return mapping[keyPath: destination].path
    }

-    func replace(genericPaths: [String]) -> [String] {
-        Set(genericPaths.map {
-            mapPath($0, source: \.virtual, destination: \.local)
-        }).sorted()
+    func replace(genericPaths: [String]) throws -> [String] {
+        try genericPaths.map {
+            try mapPath($0, source: \.virtual, destination: \.local)
+        }
    }

-    func replace(localPaths: [String]) -> [String] {
-        Set(localPaths.map {
-            mapPath($0, source: \.local, destination: \.virtual)
-        }).sorted()
+    func replace(localPaths: [String]) throws -> [String] {
+        try localPaths.map {
+            try mapPath($0, source: \.local, destination: \.virtual)
+        }
    }
 }
@@ -91,35 +91,43 @@ class JsonOverlayReader: OverlayReader {
            case .strict:
                throw JsonOverlayReaderError.missingSourceFile(json)
            case .bestEffort:
-                printWarning("overlay mapping file \(json) doesn't exist. Skipping overlay for the best-effort mode.")
+                debugLog("overlay mapping file \(json) doesn't exist. Skipping overlay for the best-effort mode.")
                return []
            }
        }
-
+        do {
        let overlay: Overlay = try jsonDecoder.decode(Overlay.self, from: jsonContent)
-        let mappings: [OverlayMapping] = try overlay.roots.reduce([]) { prev, root in
-            switch root.type {
-            case .directory:
-                //iterate all contents
-                let dir = URL(fileURLWithPath: root.name)
-                let mappings: [OverlayMapping] = try root.contents.map { content in
-                    switch content.type {
-                    case .file:
-                        let virtual = dir.appendingPathComponent(content.name)
-                        let local = URL(fileURLWithPath: content.externalContents)
-                        return .init(virtual: virtual, local: local)
-                    case .directory:
-                        throw JsonOverlayReaderError.unsupportedFormat
-                    }
+            let mappings: [OverlayMapping] = try overlay.roots.reduce([]) { prev, root in
+                switch root.type {
+                case .directory:
+                    // iterate all contents
+                    let dir = URL(fileURLWithPath: root.name)
+                    let mappings: [OverlayMapping] = try root.contents.map { content in
+                        switch content.type {
+                        case .file:
+                            let virtual = dir.appendingPathComponent(content.name)
+                            let local = URL(fileURLWithPath: content.externalContents)
+                            return .init(virtual: virtual, local: local)
+                        case .directory:
+                            throw JsonOverlayReaderError.unsupportedFormat
+                        }

+                    }
+                    return prev + mappings
+                case .file:
+                    throw JsonOverlayReaderError.unsupportedFormat
                }
-                return prev + mappings
-            case .file:
-                throw JsonOverlayReaderError.unsupportedFormat
+            }
+            return mappings
+        } catch {
+            switch mode {
+            case .strict:
+                throw error
+            case .bestEffort:
+                errorLog("Overlay reader has failed with an error \(error). Best-effort mode - skipping an overlay.")
+                return []
            }
        }
-
-        return mappings
    }

 }
@@ -19,24 +19,28 @@

 import Foundation

-enum StringDependenciesRemapperFactoryError: Error {
+enum PathDependenciesRemapperFactoryError: Error {
    /// Remapping keys are duplicated and can lead to undetermined results
    case mappingKeyDuplication
 }

-class StringDependenciesRemapperFactory {
+class PathDependenciesRemapperFactory {
    func build(
        orderKeys: [String],
        envs: [String: String],
        customMappings: [String: String]
    ) throws -> StringDependenciesRemapper {
-        let mappingMap = try envs.merging(customMappings) { envValue, outOfBandMapping in
-            throw StringDependenciesRemapperFactoryError.mappingKeyDuplication
+        let mappingMap = try envs.merging(customMappings) { _, _ in
+            throw PathDependenciesRemapperFactoryError.mappingKeyDuplication
        }
-        let mappingOrderKeys =  orderKeys + customMappings.keys
-        let mappings: [StringDependenciesRemapper.Mapping] = try mappingOrderKeys.map { key in
-            let localValue: String = try mappingMap.readEnv(key: key)
-            return StringDependenciesRemapper.Mapping(generic: "$(\(key))", local: localValue)
+        let mappingOrderKeys = orderKeys + customMappings.keys
+        let mappings: [StringDependenciesRemapper.Mapping] = mappingOrderKeys.compactMap { key in
+            guard let localURL: URL = mappingMap.readEnv(key: key) else {
+                debugLog("\(key) ENV to map a dependency is not defined")
+                return nil
+            }
+            infoLog("Found url to remapp: \(localURL). Remapping: \(localURL.standardized.path)")
+            return StringDependenciesRemapper.Mapping(generic: "$(\(key))", local: localURL.standardized.path)
        }
        return StringDependenciesRemapper(mappings: mappings)
    }
@@ -42,7 +42,7 @@ class TargetDependenciesReader: DependenciesReader {
        let allURLs = try dirScanner.items(at: directory)
        let mergedDependencies = try allURLs.reduce(Set<String>()) { (prev: Set<String>, file) in
            // include only these .d files that either have corresponding .o file (incremental) or end
-            // with '-master' (whole-module).
+            // with '-master' (whole-module)
            // Otherwise .d is probably just a leftover from previous builds
            let correspondingOutputURL = file.deletingPathExtension().appendingPathExtension("o")
            let isDependencyFile = file.pathExtension == "d"
@@ -31,7 +31,7 @@ class EnvironmentFingerprintGenerator {
        "DYLIB_COMPATIBILITY_VERSION",
        "DYLIB_CURRENT_VERSION",
        "PRODUCT_MODULE_NAME",
-        "ARCHS"
+        "ARCHS",
    ]
    private let version: String
    private let customFingerprintEnvs: [String]
@@ -52,7 +52,9 @@ class EnvironmentFingerprintGenerator {
        }
        try fill(envKeys: Self.defaultEnvFingerprintKeys + customFingerprintEnvs)
        try generator.append(version)
-        return try generator.generate()
+        let result = try generator.generate()
+        generatedFingerprint = result
+        return result
    }

    /// Creates a fingerprint of the environemtn, by hashing all ENVs specified in keys
@@ -22,34 +22,36 @@ import Foundation
 import os.log


+private var processTag: String = ""
+
 public func exit(_ exitCode: Int32, _ message: String) -> Never {
-    os_log("%{public}@", log: OSLog.default, type: .error, message)
+    os_log("%{public}@%{public}@", log: OSLog.default, type: .error, processTag, message)
    printError(errorMessage: message)
    exit(exitCode)
 }

 func defaultLog(_ message: String) {
-    os_log("%{public}@", log: OSLog.default, type: .default, message)
+    os_log("%{public}@%{public}@", log: OSLog.default, type: .default, processTag, message)
 }

 func errorLog(_ message: String) {
-    os_log("%{public}@", log: OSLog.default, type: .error, message)
+    os_log("%{public}@%{public}@", log: OSLog.default, type: .error, processTag, message)
 }

 func infoLog(_ message: String) {
-    os_log("%{public}@", log: OSLog.default, type: .info, message)
+    os_log("%{public}@%{public}@", log: OSLog.default, type: .info, processTag, message)
 }

 func debugLog(_ message: String) {
-    os_log("%{public}@", log: OSLog.default, type: .debug, message)
+    os_log("%{public}@%{public}@", log: OSLog.default, type: .debug, processTag, message)
 }

 func printError(errorMessage: String) {
-    fputs("error: \(errorMessage)\n", stderr)
+    fputs("error: \(processTag)\(errorMessage)\n", stderr)
 }

 func printWarning(_ message: String) {
-    print("warning: \(message)")
+    print("warning: \(processTag)\(message)")
 }

 /// Prints a message to the user. It shows in Xcode (if applies) or console output
@@ -57,3 +59,7 @@ func printWarning(_ message: String) {
 func printToUser(_ message: String) {
    print("[RC] \(message)")
 }
+
+func updateProcessTag(_ tag: String) {
+    processTag = "(\(tag)) "
+}
@@ -20,7 +20,7 @@
 import Foundation

 protocol MetaWriter {
-    func write<T>(_ meta: T, locationDir : URL) throws -> URL where T : Meta
+    func write<T>(_ meta: T, locationDir: URL) throws -> URL where T: Meta
 }

 class JsonMetaWriter: MetaWriter {
@@ -36,7 +36,7 @@ class JsonMetaWriter: MetaWriter {
        self.metaEncoder = encoder
    }

-    func write<T>(_ meta: T, locationDir : URL) throws -> URL where T : Meta {
+    func write<T>(_ meta: T, locationDir: URL) throws -> URL where T: Meta {
        let metaURL = locationDir.appendingPathComponent(meta.fileKey).appendingPathExtension("json")
        let metaData = try metaEncoder.encode(meta)
        try fileWriter.write(toPath: metaURL.path, contents: metaData)
@@ -23,17 +23,21 @@ struct AWSV4Signature {

    let secretKey: String
    let accessKey: String
+    let securityToken: String?
    let region: String
    let service: String
    let date: Date

-
    func addSignatureHeaderTo(request: inout URLRequest) {

        request.setValue(request.url?.host, forHTTPHeaderField: "host")
        request.setValue(StringToSign.ISO8601BasicFormatter.string(from: date), forHTTPHeaderField: "x-amz-date")
        request.setValue((request.httpBody ?? Data()).sha256(), forHTTPHeaderField: "x-amz-content-sha256")

+        if let securityToken = securityToken {
+            request.setValue(securityToken, forHTTPHeaderField: "x-amz-security-token")
+        }
+
        let canonicalRequest = CanonicalRequest(request: request)
        let stringToSign = StringToSign(
            region: region,
@@ -25,7 +25,7 @@ final class IgnoringCertificatesTrustManager: NSObject, URLSessionDelegate {
            completionHandler(.performDefaultHandling, nil)
            return
        }
-        
+
        let urlCredential = URLCredential(trust: serverTrust)
        completionHandler(.useCredential, urlCredential)
    }
@@ -29,12 +29,14 @@ class NetworkClientImpl: NetworkClient {
    private let session: URLSession
    private let fileManager: FileManager
    private let maxRetries: Int
+    private let retryDelay: TimeInterval
    private let awsV4Signature: AWSV4Signature?

-    init(session: URLSession, retries: Int, fileManager: FileManager, awsV4Signature: AWSV4Signature?) {
+    init(session: URLSession, retries: Int, retryDelay: TimeInterval, fileManager: FileManager, awsV4Signature: AWSV4Signature?) {
        self.session = session
        self.fileManager = fileManager
-        maxRetries = retries
+        self.maxRetries = retries
+        self.retryDelay = retryDelay
        self.awsV4Signature = awsV4Signature
    }

@@ -173,7 +175,13 @@ class NetworkClientImpl: NetworkClient {
            if let error = responseError {
                if retries > 0 {
                    infoLog("Upload request failed with \(error). Left retries: \(retries).")
-                    self.makeUploadRequest(request, input: input, retries: retries - 1, completion: completion)
+                    self.retryUpload(
+                        request,
+                        input: input,
+                        retries: retries,
+                        completion: completion,
+                        after: self.retryDelay
+                    )
                    return
                }
                errorLog("Upload request failed: \(error)")
@@ -184,6 +192,13 @@ class NetworkClientImpl: NetworkClient {
        }
        dataTask.resume()
    }
+
+    private func retryUpload(_ request: URLRequest, input: URL, retries: Int, completion: @escaping (Result<Void, NetworkClientError>) -> Void, after: TimeInterval) {
+        DispatchQueue.global().asyncAfter(deadline: .now() + after) { [weak self] in
+            guard let self = self else { return }
+            self.makeUploadRequest(request, input: input, retries: retries - 1, completion: completion)
+        }
+    }
 }

 private extension NetworkClientError {
@@ -36,6 +36,8 @@ class DefaultURLSessionFactory: URLSessionFactory {
        let configuration = URLSessionConfiguration.default
        configuration.httpAdditionalHeaders = config.requestCustomHeaders
        configuration.timeoutIntervalForRequest = config.timeoutResponseDataChunksInterval
+        configuration.urlCache?.memoryCapacity = 0
+        configuration.urlCache?.diskCapacity = 0
        switch config.disableCertificateVerification {
        case true:
            return URLSession(
@@ -76,8 +76,8 @@ class ExclusiveFile: ExclusiveFileAccessor {
        guard flock(fd, LOCK_EX) == 0 else {
            throw FileAccessorError.lockingFailure
        }
-        // While having a lock, make sure the file still exists.
-        // It might delete it while we were waiting for a lock.
+        // While having a lock, make sure the file still exists
+        // It might delete it while we were waiting for a lock
        guard access(fileURL.path, F_OK) == 0 else {
            throw FileAccessorError.lockingFailure
        }
@@ -24,8 +24,15 @@ enum EnvironmentError: Error {
 }

 extension Dictionary where Key == String, Value == String {
-    func readEnv(key: String) throws -> URL {
+    func readEnv(key: String) -> URL? {
        guard let value = self[key].map(URL.init(fileURLWithPath:)) else {
+            return nil
+        }
+        return value
+    }
+
+    func readEnv(key: String) throws -> URL {
+        guard let value: URL = readEnv(key: key) else {
            throw EnvironmentError.missingEnv(key)
        }
        return value
@@ -21,7 +21,7 @@ import Foundation
 import XCRemoteCache

 /// Wrapper for a `LD` program that copies the dynamic executable from a cached-downloaded location
-/// Fallbacks to a standard `clang` when the Ramote cache is not applicable (e.g. modified sources)
+/// Fallbacks to a standard `clang` when the Remote cache is not applicable (e.g. modified sources)
 public class XCLDMain {
    public func main() {
        let args = ProcessInfo().arguments
@@ -48,7 +48,16 @@ public class XCLDMain {
            i += 1
        }
        guard let outputInput = output, let filelistInput = filelist, let dependencyInfoInput = dependencyInfo else {
-            exit(1, "Missing 'output' argument. Args: \(args)")
+            let ldCommand = "clang"
+            print("Fallbacking to compilation using \(ldCommand).")
+
+            let args = ProcessInfo().arguments
+            let paramList = [ldCommand] + args.dropFirst()
+            let cargs = paramList.map { strdup($0) } + [nil]
+            execvp(ldCommand, cargs)
+
+            /// C-function `execv` returns only when the command fails
+            exit(1)
        }


@@ -0,0 +1,75 @@
+// Copyright (c) 2021 Spotify AB.
+//
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+import Foundation
+import XCRemoteCache
+
+/// Wrapper for a `LDPLUSPLUS` program that copies the dynamic executable from a cached-downloaded location
+/// Fallbacks to a standard `clang++` when the Remote cache is not applicable (e.g. modified sources)
+public class XCLDPlusPlusMain {
+    public func main() {
+        let args = ProcessInfo().arguments
+        var output: String?
+        var filelist: String?
+        var dependencyInfo: String?
+        var i = 0
+        while i < args.count {
+            switch args[i] {
+            case "-o":
+                output = args[i + 1]
+                i += 1
+            case "-filelist":
+                filelist = args[i + 1]
+                i += 1
+            case "-dependency_info":
+                // Skip following `-Xlinker` argument. Sample call:
+                // `clang -dynamiclib  ... -Xlinker -dependency_info -Xlinker /path/Target_dependency_info.dat`
+                dependencyInfo = args[i + 2]
+                i += 2
+            default:
+                break
+            }
+            i += 1
+        }
+        guard let outputInput = output, let filelistInput = filelist, let dependencyInfoInput = dependencyInfo else {
+            let ldCommand = "clang++"
+            print("Fallbacking to compilation using \(ldCommand).")
+
+            let args = ProcessInfo().arguments
+            let paramList = [ldCommand] + args.dropFirst()
+            let cargs = paramList.map { strdup($0) } + [nil]
+            execvp(ldCommand, cargs)
+
+            /// C-function `execv` returns only when the command fails
+            exit(1)
+        }
+
+
+        // TODO: consider using `clang_command` from .rcinfo
+        /// concrete clang path should be taken from the current toolchain
+        let fallbackCommand = "clang++"
+        XCCreateBinary(
+            output: outputInput,
+            filelist: filelistInput,
+            dependencyInfo: dependencyInfoInput,
+            fallbackCommand: fallbackCommand,
+            stepDescription: "xcldplusplus"
+        ).run()
+    }
+}
@@ -0,0 +1,22 @@
+// Copyright (c) 2021 Spotify AB.
+//
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+import XCRemoteCache
+
+XCLDPlusPlusMain().main()
@@ -60,8 +60,16 @@ public class XCSwiftcMain {
            let targetInputInput = target,
            let swiftFileListInput = swiftFileList
            else {
-                print("Missing argument. Args: \(args)")
-                exit(1)
+            let swiftcCommand = "swiftc"
+            print("Fallbacking to compilation using \(swiftcCommand).")
+
+            let args = ProcessInfo().arguments
+            let paramList = [swiftcCommand] + args.dropFirst()
+            let cargs = paramList.map { strdup($0) } + [nil]
+            execvp(swiftcCommand, cargs)
+
+            /// C-function `execv` returns only when the command fails
+            exit(1)
        }
        let swiftcArgsInput = SwiftcArgInput(
            objcHeaderOutput: objcHeaderOutputInput,
@@ -131,7 +131,7 @@ class ThinningCreatorPluginTests: FileXCTestCase {

        XCTAssertEqual(extraKeys, [
            "thinning_Generated": "000",
-            "thinning_Reused": "999"
+            "thinning_Reused": "999",
        ])
    }
 }
@@ -26,6 +26,7 @@ class PostbuildContextTests: FileXCTestCase {
    private static let SampleEnvs = [
        "TARGET_NAME": "TARGET_NAME",
        "TARGET_TEMP_DIR": "TARGET_TEMP_DIR",
+        "DERIVED_FILE_DIR": "DERIVED_FILE_DIR",
        "ARCHS": "x86_64",
        "OBJECT_FILE_DIR_normal": "/OBJECT_FILE_DIR_normal" ,
        "CONFIGURATION": "CONFIGURATION",
@@ -42,7 +43,7 @@ class PostbuildContextTests: FileXCTestCase {
        "DWARF_DSYM_FILE_NAME": "DWARF_DSYM_FILE_NAME",
        "BUILT_PRODUCTS_DIR": "BUILT_PRODUCTS_DIR",
        "DERIVED_SOURCES_DIR": "DERIVED_SOURCES_DIR",
-        "CURRENT_VARIANT": "normal"
+        "CURRENT_VARIANT": "normal",
    ]

    override func setUpWithError() throws {
@@ -20,12 +20,14 @@
@testable import XCRemoteCache
 import XCTest

+// swiftlint:disable file_length
 // swiftlint:disable:next type_body_length
 class PostbuildTests: FileXCTestCase {
    private var postbuildContext = PostbuildContext(
        mode: .producer,
        targetName: "",
        targetTempDir: "",
+        derivedFilesDir: "",
        compilationTempDir: "",
        configuration: "",
        platform: "",
@@ -52,7 +54,8 @@ class PostbuildTests: FileXCTestCase {
        thinnedTargets: [],
        action: .build,
        modeMarkerPath: "",
-        overlayHeadersPath: ""
+        overlayHeadersPath: "",
+        irrelevantDependenciesPaths: []
    )
    private var network = RemoteNetworkClientImpl(
        NetworkClientFake(fileManager: .default),
@@ -77,7 +80,9 @@ class PostbuildTests: FileXCTestCase {
        product: "/Product",
        source: "/Source",
        intermediate: "/Intermediate",
-        bundle: nil
+        derivedFiles: "/DerivedFiles",
+        bundle: nil,
+        skippedRegexes: []
    )
    private var overrideManager = FingerprintOverrideManagerImpl(
        overridingFileExtensions: ["swiftmodule"],
@@ -639,4 +644,3 @@ class PostbuildTests: FileXCTestCase {
        XCTAssertEqual(downloadedMeta, expectedMeta)
    }
 }
-// swiftlint:disable:next file_length
@@ -0,0 +1,63 @@
+// Copyright (c) 2021 Spotify AB.
+//
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+@testable import XCRemoteCache
+import XCTest
+
+class XcodeProjBuildSettingsIntegrateAppenderTests: XCTestCase {
+    private let rootURL: URL = "/root"
+    private let binariesDir: URL = "/binaries"
+    private var buildSettings: BuildSettings!
+    private var binaries: XCRCBinariesPaths!
+
+    override func setUp() {
+        super.setUp()
+        buildSettings = BuildSettings()
+        binaries = XCRCBinariesPaths(
+            prepare: binariesDir.appendingPathComponent("xcprepare"),
+            cc: binariesDir.appendingPathComponent("xccc"),
+            swiftc: binariesDir.appendingPathComponent("xcswiftc"),
+            libtool: binariesDir.appendingPathComponent("xclibtool"),
+            ld: binariesDir.appendingPathComponent("xcld"),
+            ldplusplus: binariesDir.appendingPathComponent("xcldplusplus"),
+            prebuild: binariesDir.appendingPathComponent("xcprebuild"),
+            postbuild: binariesDir.appendingPathComponent("xcpostbuild")
+        )
+    }
+
+    func testProducerSettingFakeSrcRoot() throws {
+        let mode: Mode = .producer
+        let fakeRootURL: URL = "/xxxxxxxxxxP"
+        let appender = XcodeProjBuildSettingsIntegrateAppender(mode: mode, repoRoot: rootURL, fakeSrcRoot: fakeRootURL)
+        let result = appender.appendToBuildSettings(buildSettings: buildSettings, wrappers: binaries)
+        let resultURL = try XCTUnwrap(result["XCRC_FAKE_SRCROOT"] as? String)
+
+        XCTAssertEqual(resultURL, fakeRootURL.path)
+    }
+
+    func testConsumerSettingFakeSrcRoot() throws {
+        let mode: Mode = .consumer
+        let fakeRootURL: URL = "/xxxxxxxxxxC"
+        let appender = XcodeProjBuildSettingsIntegrateAppender(mode: mode, repoRoot: rootURL, fakeSrcRoot: fakeRootURL)
+        let result = appender.appendToBuildSettings(buildSettings: buildSettings, wrappers: binaries)
+        let resultURL: String = try XCTUnwrap(result["XCRC_FAKE_SRCROOT"] as? String)
+
+        XCTAssertEqual(resultURL, fakeRootURL.path)
+    }
+}
@@ -47,7 +47,8 @@ class TemplateBasedCCWrapperBuilderTests: FileXCTestCase {
        let app = appDir.appendingPathComponent("xccc")
        try? fileManager.removeItem(at: appDir)
        try? FileManager.default.createDirectory(at: appDir, withIntermediateDirectories: true, attributes: nil)
-        try? builder.compile(to: app, commitSha: commitSha)
+        // swiftlint:disable:next force_try
+        try! builder.compile(to: app, commitSha: commitSha)
        return app
    }()

@@ -332,11 +333,31 @@ class TemplateBasedCCWrapperBuilderTests: FileXCTestCase {
        XCTAssertNotEqual(newFileOutputData, Data())
    }

+    func testPCHCompilationFallbacks() throws {
+        // Marker is empty to mimic the new file scenario
+        let pchFile = directory.appendingPathComponent("input.pch")
+        createValidPCHFile(pchFile)
+        arguments = ["-x", "objective-c-header", "-MF", dependencyFile.path, "-o", outputFile.path, pchFile.path]
+
+        try shellExec(Self.xccc.path, args: arguments, inDir: directory.path)
+
+        XCTAssertTrue(fileManager.fileExists(atPath: outputFile.path))
+    }
+
    /// Creates a simple C code in the location
    private func createValidCFile(_ location: URL) {
        fileManager.createFile(atPath: location.path, contents: "int main(){}".data(using: .utf8), attributes: nil)
    }

+    /// Creates a simple PCH code in the location
+    private func createValidPCHFile(_ location: URL) {
+        fileManager.createFile(
+            atPath: location.path,
+            contents: "#import <Availability.h>".data(using: .utf8),
+            attributes: nil
+        )
+    }
+
    /// Creates a C code that requires extra CUSTOM_STR clang macro to compile
    private func createInvalidCFile(_ location: URL) {
        fileManager.createFile(
@@ -0,0 +1,88 @@
+// Copyright (c) 2022 Spotify AB.
+//
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+@testable import XCRemoteCache
+import XCTest
+
+class XCRemoteCacheConfigReaderTests: XCTestCase {
+
+    private var fileReader: FileAccessorFake!
+    private var reader: XCRemoteCacheConfigReader!
+
+    override func setUp() {
+        super.setUp()
+        fileReader = FileAccessorFake(mode: .normal)
+        reader = XCRemoteCacheConfigReader(srcRootPath: "/", fileReader: fileReader)
+    }
+
+    func testReadsFromExtraConfig() throws {
+        try fileReader.write(toPath: "/.rcinfo", contents: "cache_addresses: [test]")
+
+        let config = try reader.readConfiguration()
+
+        XCTAssertEqual(config.cacheAddresses, ["test"])
+    }
+
+    func testOverridesExtraConfigFromExtraFile() throws {
+        try fileReader.write(toPath: "/.rcinfo", contents: "cache_addresses: [test]")
+        try fileReader.write(toPath: "/user.rcinfo", contents: "cache_addresses: [user]")
+
+        let config = try reader.readConfiguration()
+
+        XCTAssertEqual(config.cacheAddresses, ["user"])
+    }
+
+    func testReadsExtraConfigMultipleTimes() throws {
+        try fileReader.write(toPath: "/.rcinfo", contents: "cache_addresses: [test]")
+        try fileReader.write(toPath: "/user.rcinfo", contents: """
+        cache_addresses: [user]
+        extra_configuration_file: user2.rcinfo
+        """)
+        try fileReader.write(toPath: "/user2.rcinfo", contents: "cache_addresses: [user2]")
+
+        let config = try reader.readConfiguration()
+
+        XCTAssertEqual(config.cacheAddresses, ["user2"])
+    }
+
+    func testBreaksImportingExtraConfigIfReachingALoop() throws {
+        try fileReader.write(toPath: "/.rcinfo", contents: "cache_addresses: [test]")
+        try fileReader.write(toPath: "/user.rcinfo", contents: """
+        cache_addresses: [user]
+        extra_configuration_file: .rcinfo
+        """)
+
+        let config = try reader.readConfiguration()
+
+        XCTAssertEqual(config.cacheAddresses, ["user"])
+    }
+
+    func testBreaksImportingExtraConfigIfFileDoesntExist() throws {
+        try fileReader.write(toPath: "/.rcinfo", contents: "cache_addresses: [test]")
+        try fileReader.write(toPath: "/user.rcinfo", contents: """
+        cache_addresses: [user]
+        extra_configuration_file: nonexisting.rcinfo
+        """)
+
+        let config = try reader.readConfiguration()
+
+        XCTAssertEqual(config.cacheAddresses, ["user"])
+        XCTAssertEqual(config.extraConfigurationFile, "nonexisting.rcinfo")
+    }
+}
@@ -0,0 +1,139 @@
+// Copyright (c) 2021 Spotify AB.
+//
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+@testable import XCRemoteCache
+
+import XCTest
+
+class DependenciesReaderPerformanceTest: XCTestCase {
+
+    private static let resourcesSubdirectory = "TestData/Dependencies/DependenciesReaderPerformanceTest"
+
+    private func pathForTestData(name: String) throws -> URL {
+        return try XCTUnwrap(Bundle.module.url(
+            forResource: name,
+            withExtension: "d",
+            subdirectory: DependenciesReaderPerformanceTest.resourcesSubdirectory
+        ))
+    }
+
+    func testFindDependenciesPerformance() throws {
+        let file = try pathForTestData(name: "dependencies")
+        let reader = FileDependenciesReader(file, accessor: FileManager.default)
+
+        self.measure { // 0.005
+            do {
+                _ = try reader.findDependencies()
+            } catch {
+                print("Error reading dependencies")
+            }
+        }
+    }
+
+    func testReadRawFilePerformance() throws {
+        let file = try pathForTestData(name: "dependencies")
+        let reader = FileDependenciesReader(file, accessor: FileManager.default)
+
+        self.measure { // 0.002
+            do {
+                _ = try reader.readRaw()
+            } catch {
+                print("Error reading dependencies")
+            }
+        }
+    }
+
+    func testGetFileDataPerformance() throws {
+        let file = try pathForTestData(name: "dependencies")
+        let reader = FileDependenciesReader(file, accessor: FileManager.default)
+
+        self.measure { // 0.00008
+            do {
+                _ = try reader.getFileData()
+            } catch {
+                print("Error reading dependencies")
+            }
+        }
+    }
+
+    func testGetFileStringPerformance() throws {
+        let file = try pathForTestData(name: "dependencies")
+        let reader = FileDependenciesReader(file, accessor: FileManager.default)
+        let fileData = try reader.getFileData()
+
+        self.measure { // 0.00002
+            do {
+                _ = try reader.getFileStringFromData(fileData: fileData)
+            } catch {
+                print("Error reading dependencies")
+            }
+        }
+    }
+
+    func testGetYamlPerformance() throws { // 0.222
+        let file = try pathForTestData(name: "dependencies")
+        let reader = FileDependenciesReader(file, accessor: FileManager.default)
+        let fileData = try reader.getFileData()
+        let fileString = try reader.getFileStringFromData(fileData: fileData)
+
+        self.measure { // 0.0022
+            do {
+                _ = try reader.getYaml(fileString: fileString)
+            } catch {
+                print("Error reading dependencies")
+            }
+        }
+    }
+
+    func testParseDependencyFileListUsingUTF8View() throws {
+        let file = try pathForTestData(name: "dependencies")
+        let reader = FileDependenciesReader(file, accessor: FileManager.default)
+        let fileData = try reader.getFileData()
+        let fileString = try reader.getFileStringFromData(fileData: fileData)
+        let yaml = try reader.getYaml(fileString: fileString)
+
+        guard let dependencies = yaml["dependencies"] else {
+            XCTAssertTrue(false)
+            return
+        }
+
+        self.measure { // 0.004
+            let deps = reader.parseDependencyFileList(dependencies)
+            XCTAssertTrue(deps.count == 1000)
+        }
+    }
+
+    func testDeprecatedParseDependenciesFilesListOfAnObjectUsingUTF8View() throws {
+        let file = try pathForTestData(name: "dependencies")
+        let reader = FileDependenciesReader(file, accessor: FileManager.default)
+        let fileData = try reader.getFileData()
+        let fileString = try reader.getFileStringFromData(fileData: fileData)
+        let yaml = try reader.getYaml(fileString: fileString)
+
+        guard let dependencies = yaml["/This/Is/A/Path/To/Some/Object/objectfile.o"] else {
+            XCTAssertTrue(false)
+            return
+        }
+
+        self.measure { // 0.00048
+            let deps = reader.parseDependencyFileList(dependencies)
+            XCTAssertTrue(deps.count == 100)
+        }
+    }
+}
@@ -29,89 +29,119 @@ class DependenciesRemapperCompositeTests: XCTestCase {
        StringDependenciesRemapper.Mapping(generic: "$(PWD)", local: "/pwd"),
    ]

-    func testNoRemappersIsTransparent() {
+    func testNoRemappersIsTransparent() throws {
        let remapper = DependenciesRemapperComposite([])

-        let genericPath = remapper.replace(localPaths: ["/tmp/root/some.swift"])
+        let genericPath = try remapper.replace(localPaths: ["/tmp/root/some.swift"])

        XCTAssertEqual(genericPath, ["/tmp/root/some.swift"])
    }

-    func testOneRemapperReplacesLocalPaths() {
+    func testOneRemapperReplacesLocalPaths() throws {
        let remapper = DependenciesRemapperComposite([
            StringDependenciesRemapper(mappings: mappings1),
        ])

-        let genericPath = remapper.replace(localPaths: ["/tmp/root/some.swift"])
+        let genericPath = try remapper.replace(localPaths: ["/tmp/root/some.swift"])

        XCTAssertEqual(genericPath, ["$(SRC_ROOT)/some.swift"])
    }

-    func testOneRemapperReplacesGenericPaths() {
+    func testOneRemapperReplacesGenericPaths() throws {
        let remapper = DependenciesRemapperComposite([
            StringDependenciesRemapper(mappings: mappings1),
        ])

-        let localPath = remapper.replace(genericPaths: ["$(SRC_ROOT)/some.swift"])
+        let localPath = try remapper.replace(genericPaths: ["$(SRC_ROOT)/some.swift"])

        XCTAssertEqual(localPath, ["/tmp/root/some.swift"])
    }

-    func testTwoRemappersReplacesLocalPaths() {
+    func testTwoRemappersReplacesLocalPaths() throws {
        let remapper = DependenciesRemapperComposite([
            StringDependenciesRemapper(mappings: mappings1),
            StringDependenciesRemapper(mappings: mappings2),
        ])

-        let genericPath = remapper.replace(localPaths: ["/tmp/root/some.swift", "/pwd/other.swift"])
+        let genericPath = try remapper.replace(localPaths: ["/tmp/root/some.swift", "/pwd/other.swift"])

        XCTAssertEqual(genericPath, ["$(SRC_ROOT)/some.swift", "$(PWD)/other.swift"])
    }

-    func testOneRemappersReplacesGenericPaths() {
+    func testOneRemappersReplacesGenericPaths() throws {
        let remapper = DependenciesRemapperComposite([
            StringDependenciesRemapper(mappings: mappings1),
            StringDependenciesRemapper(mappings: mappings2),
        ])

-        let localPath = remapper.replace(genericPaths: ["$(SRC_ROOT)/some.swift", "$(PWD)/other.swift"])
+        let localPath = try remapper.replace(genericPaths: ["$(SRC_ROOT)/some.swift", "$(PWD)/other.swift"])

        XCTAssertEqual(localPath, ["/tmp/root/some.swift", "/pwd/other.swift"])
    }

    func testRemapsMultipleMatchingMappers() throws {
        let remapper = DependenciesRemapperComposite([
-            StringDependenciesRemapper(mappings: [StringDependenciesRemapper.Mapping(generic: "$(ROOT)", local: "/root")]),
-            StringDependenciesRemapper(mappings: [StringDependenciesRemapper.Mapping(generic: "$(SPECIFIC)", local: "$(ROOT)/specific")])
+            StringDependenciesRemapper(mappings: [
+                StringDependenciesRemapper.Mapping(
+                    generic: "$(ROOT)",
+                    local: "/root"
+                ),
+            ]),
+            StringDependenciesRemapper(mappings: [
+                StringDependenciesRemapper.Mapping(
+                    generic: "$(SPECIFIC)",
+                    local: "$(ROOT)/specific"
+                ),
+            ]),
        ])
        let localPaths = ["/root/specific/file"]

-        let genericPaths = remapper.replace(localPaths: localPaths)
+        let genericPaths = try remapper.replace(localPaths: localPaths)

        XCTAssertEqual(genericPaths, ["$(SPECIFIC)/file"])
    }

    func testRemapsBackToLocalWithRevertedRemappersOrder() throws {
        let remapper = DependenciesRemapperComposite([
-            StringDependenciesRemapper(mappings: [StringDependenciesRemapper.Mapping(generic: "$(ROOT)", local: "/root")]),
-            StringDependenciesRemapper(mappings: [StringDependenciesRemapper.Mapping(generic: "$(SPECIFIC)", local: "$(ROOT)/specific")])
+            StringDependenciesRemapper(mappings: [
+                StringDependenciesRemapper.Mapping(
+                    generic: "$(ROOT)",
+                    local: "/root"
+                ),
+            ]),
+            StringDependenciesRemapper(mappings: [
+                StringDependenciesRemapper.Mapping(
+                    generic: "$(SPECIFIC)",
+                    local: "$(ROOT)/specific"
+                ),
+            ]),
        ])
        let genericPaths = ["$(SPECIFIC)/file"]

-        let localPaths = remapper.replace(genericPaths: genericPaths)
+        let localPaths = try remapper.replace(genericPaths: genericPaths)

        XCTAssertEqual(localPaths, ["/root/specific/file"])
    }

    func testRemappingTwoMappingsBackAndForthIsIdentical() throws {
        let remapper = DependenciesRemapperComposite([
-            StringDependenciesRemapper(mappings: [StringDependenciesRemapper.Mapping(generic: "$(ROOT)", local: "/root")]),
-            StringDependenciesRemapper(mappings: [StringDependenciesRemapper.Mapping(generic: "$(SPECIFIC)", local: "$(ROOT)/specific")])
+            StringDependenciesRemapper(mappings: [
+                StringDependenciesRemapper.Mapping(
+                    generic: "$(ROOT)",
+                    local: "/root"
+                ),
+            ]),
+            StringDependenciesRemapper(mappings: [
+                StringDependenciesRemapper.Mapping(
+                    generic: "$(SPECIFIC)",
+                    local: "$(ROOT)/specific"
+                ),
+            ]),
        ])
        let localPaths = ["/root/specific/file"]

-        let genericPaths = remapper.replace(localPaths: localPaths)
-        let remappedLocalPaths = remapper.replace(genericPaths: genericPaths)
+        let genericPaths = try remapper.replace(localPaths: localPaths)
+        let remappedLocalPaths = try remapper.replace(genericPaths: genericPaths)

        XCTAssertEqual(localPaths, remappedLocalPaths)
    }
@@ -0,0 +1,47 @@
+// Copyright (c) 2021 Spotify AB.
+//
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+@testable import XCRemoteCache
+import XCTest
+
+class FileDependenciesWriterTests: XCTestCase {
+
+    private func generateTempFileURL(name: String = #function) throws -> URL {
+        let directory = NSTemporaryDirectory()
+        return try NSURL.fileURL(withPathComponents: [directory, name]).unwrap()
+    }
+
+    func testWriteDependencyWithSpace() throws {
+        let url = try generateTempFileURL()
+        let writer = FileDependenciesWriter(url, accessor: FileManager.default)
+
+        try writer.writeGeneric(dependencies: [
+            "/SomePath/Pods/Target Support Files/lottie-ios/lottie-ios-dummy.m",
+        ])
+
+        let expectedContent = """
+        dependencies: /SomePath/Pods/Target\\ Support\\ Files/lottie-ios/lottie-ios-dummy.m
+
+        """
+
+        let content = String(data: try Data(contentsOf: url), encoding: .utf8)
+
+        XCTAssertEqual(content, expectedContent)
+    }
+}
@@ -27,17 +27,21 @@ class DependencyProcessorImplTests: FileXCTestCase {
        product: "/Product",
        source: "/Source",
        intermediate: "/Intermediate",
-        bundle: "/Bundle"
+        derivedFiles: "/DerivedFiles",
+        bundle: "/Bundle",
+        skippedRegexes: []
    )

-    func testIntermediateFileIsSkippedForProductAndSourceSubdirectory() {
+    func testIntermediateFileIsskippedRegexesForProductAndSourceSubdirectory() {
        let intermediateFile: URL = "/Intermediate/some"
        let processor = DependencyProcessorImpl(
            xcode: "/Xcode",
            product: "/",
            source: "/",
            intermediate: "/Intermediate",
-            bundle: nil
+            derivedFiles: "/DerivedFiles",
+            bundle: nil,
+            skippedRegexes: []
        )

        XCTAssertEqual(
@@ -46,14 +50,16 @@ class DependencyProcessorImplTests: FileXCTestCase {
        )
    }

-    func testBundleFileIsSkippedForProductAndSourceSubdirectory() {
+    func testBundleFileIsskippedRegexesForProductAndSourceSubdirectory() {
        let bundleFile: URL = "/Bundle/some"
        let processor = DependencyProcessorImpl(
            xcode: "/Xcode",
            product: "/",
            source: "/",
            intermediate: "/Intermediate",
-            bundle: "/Bundle"
+            derivedFiles: "/DerivedFiles",
+            bundle: "/Bundle",
+            skippedRegexes: []
        )

        XCTAssertEqual(
@@ -62,6 +68,22 @@ class DependencyProcessorImplTests: FileXCTestCase {
        )
    }

+    func testFiltersOutGeneratedSwiftHeaders() throws {
+        let dependencies = processor.process([
+            "/DerivedFiles/ModuleName-Swift.h",
+        ])
+
+        XCTAssertEqual(dependencies, [])
+    }
+
+    func testFiltersOutDerivedFile() throws {
+        let dependencies = processor.process([
+            "/DerivedFiles/output.h",
+        ])
+
+        XCTAssertEqual(dependencies, [])
+    }
+
    func testFiltersOutProductModulemap() throws {
        let dependencies = processor.process([
            "/Product/some.modulemap",
@@ -130,13 +152,19 @@ class DependencyProcessorImplTests: FileXCTestCase {
            product: "/Product",
            source: "/Source",
            intermediate: intermediateDirReal,
-            bundle: "/Bundle"
+            derivedFiles: "/DerivedFiles",
+            bundle: "/Bundle",
+            skippedRegexes: []
        )

-        let intermediateFileSymlink = createSymlink(filename: someFilename, sourceDir: symlink, destinationDir: intermediateDirReal)
+        let intermediateFileSymlink = createSymlink(
+            filename: someFilename,
+            sourceDir: symlink,
+            destinationDir: intermediateDirReal
+        )

        let dependencies = processor.process([
-            intermediateFileSymlink
+            intermediateFileSymlink,
        ])

        XCTAssertEqual(dependencies, [])
@@ -154,13 +182,19 @@ class DependencyProcessorImplTests: FileXCTestCase {
            product: "/Product",
            source: sourceDirReal,
            intermediate: "/Intermediate",
-            bundle: "/Bundle"
+            derivedFiles: "/DerivedFiles",
+            bundle: "/Bundle",
+            skippedRegexes: []
        )

-        let sourceFileSymlink = createSymlink(filename: someFilename, sourceDir: symlink, destinationDir: sourceDirReal)
+        let sourceFileSymlink = createSymlink(
+            filename: someFilename,
+            sourceDir: symlink,
+            destinationDir: sourceDirReal
+        )

        let dependencies = processor.process([
-            sourceFileSymlink
+            sourceFileSymlink,
        ])

        XCTAssertEqual(dependencies, [.init(url: sourceFileSymlink, type: .source)])
@@ -173,10 +207,84 @@ class DependencyProcessorImplTests: FileXCTestCase {
    fileprivate func createSymlink(filename: String, sourceDir: URL, destinationDir: URL) -> URL {
        let fileMng = FileManager.default

-        XCTAssertNoThrow(try fileMng.spt_forceSymbolicLink(at: sourceDir,
-                                                           withDestinationURL: destinationDir))
+        XCTAssertNoThrow(try fileMng.spt_forceSymbolicLink(
+            at: sourceDir,
+            withDestinationURL: destinationDir
+        ))
        XCTAssertNoThrow(try fileMng.spt_createEmptyFile(destinationDir.appendingPathComponent(filename)))

        return sourceDir.appendingPathComponent(filename)
    }
+
+    func testSkipsCustomizedDerivedDirFileUnderSources() {
+        let derivedFile: URL = "/DerivedFiles/Module-Swift.h"
+        let processor = DependencyProcessorImpl(
+            xcode: "/Xcode",
+            product: "/",
+            source: "/",
+            intermediate: "/Intermediate",
+            derivedFiles: "/DerivedFiles",
+            bundle: nil,
+            skippedRegexes: []
+        )
+
+        XCTAssertEqual(
+            processor.process([derivedFile]),
+            []
+        )
+    }
+
+    func testSkippsFilesWithFullMatch() {
+        let source: URL = "/someFile.m"
+        let processor = DependencyProcessorImpl(
+            xcode: "/Xcode",
+            product: "/",
+            source: "/",
+            intermediate: "/Intermediate",
+            derivedFiles: "/DerivedFiles",
+            bundle: nil,
+            skippedRegexes: ["/someFile\\.m"]
+        )
+
+        XCTAssertEqual(
+            processor.process([source]),
+            []
+        )
+    }
+
+    func testSkippsFilesWithPartialMatch() {
+        let derivedModulemap: URL = "/module.modulemap"
+        let processor = DependencyProcessorImpl(
+            xcode: "/Xcode",
+            product: "/product",
+            source: "/",
+            intermediate: "/Intermediate",
+            derivedFiles: "/DerivedFiles",
+            bundle: nil,
+            skippedRegexes: ["\\.modulemap$"]
+        )
+
+        XCTAssertEqual(
+            processor.process([derivedModulemap]),
+            []
+        )
+    }
+
+    func testDoesntSkipFileIfInvalidRegex() {
+        let source: URL = "/someFile.m"
+        let processor = DependencyProcessorImpl(
+            xcode: "/Xcode",
+            product: "/product",
+            source: "/",
+            intermediate: "/Intermediate",
+            derivedFiles: "/DerivedFiles",
+            bundle: nil,
+            skippedRegexes: ["\\"]
+        )
+
+        XCTAssertEqual(
+            processor.process([source]),
+            [.init(url: source, type: .source)]
+        )
+    }
 }
@@ -26,40 +26,45 @@ class OverlayDependenciesRemapperTests: XCTestCase {
    )

    func testMappingFromLocalToGeneric() throws {
-        let reader = try OverlayDependenciesRemapper(
-            overlayReader: overlayReader
-        )
+        let remapper = OverlayDependenciesRemapper(overlayReader: overlayReader)

-        let dependencies = reader.replace(localPaths: ["/Intermediate/Some/file.h"])
+        let dependencies = try remapper.replace(localPaths: ["/Intermediate/Some/file.h"])
        XCTAssertEqual(dependencies, ["/file.h"])
    }

    func testMappingFromGenericToLocal() throws {
-        let reader = try OverlayDependenciesRemapper(
-            overlayReader: overlayReader
-        )
+        let remapper = OverlayDependenciesRemapper(overlayReader: overlayReader)

-        let dependencies = reader.replace(genericPaths: ["/file.h"])
+
+        let dependencies = try remapper.replace(genericPaths: ["/file.h"])
        XCTAssertEqual(dependencies, ["/Intermediate/Some/file.h"])
    }

-    func testGenericDependenciesAreMerged() throws {
+    func testGenericDependenciesAreNotMerged() throws {
+        let remapper = OverlayDependenciesRemapper(overlayReader: overlayReader)

-        let reader = try OverlayDependenciesRemapper(
-            overlayReader: overlayReader
-        )

-        let dependencies = reader.replace(localPaths: ["/Intermediate/Some/file.h", "/file.h"])
-        XCTAssertEqual(dependencies, ["/file.h"])
+        let dependencies = try remapper.replace(localPaths: ["/Intermediate/Some/file.h", "/file.h"])
+        XCTAssertEqual(dependencies, ["/file.h", "/file.h"])
    }

-    func testLocalDependenciesAreMerged() throws {
-        let reader = try OverlayDependenciesRemapper(
-            overlayReader: overlayReader
-        )
+    func testLocalDependenciesAreNotMerged() throws {
+        let remapper = OverlayDependenciesRemapper(overlayReader: overlayReader)

-        let dependencies = reader.replace(genericPaths: ["/Intermediate/Some/file.h", "/file.h"])
-        XCTAssertEqual(dependencies, ["/Intermediate/Some/file.h"])
+
+        let dependencies = try remapper.replace(genericPaths: ["/Intermediate/Some/file.h", "/file.h"])
+        XCTAssertEqual(dependencies, ["/Intermediate/Some/file.h", "/Intermediate/Some/file.h"])
+    }
+
+    func testMappingsAreReadOnce() throws {
+        let remapper = OverlayDependenciesRemapper(overlayReader: overlayReader)
+
+        let firstDependencies = try remapper.replace(localPaths: ["/Intermediate/Some/file.h"])
+        // Update mappings in-fly to verify the previous value is cached in a remapper
+        overlayReader.mappings = []
+        let secondDependencies = try remapper.replace(localPaths: ["/Intermediate/Some/file.h"])
+
+        XCTAssertEqual(firstDependencies, ["/file.h"])
+        XCTAssertEqual(secondDependencies, ["/file.h"])
    }
 }
-
@@ -20,7 +20,7 @@
@testable import XCRemoteCache
 import XCTest

-class JsonOverlayReaderTests: XCTestCase {
+class JsonOverlayReaderTests: FileXCTestCase {
    private static let resourcesSubdirectory = "TestData/Dependencies/JsonOverlayReaderTests"

    func testParsingWithSuccess() throws {
@@ -29,8 +29,14 @@ class JsonOverlayReaderTests: XCTestCase {
        let mappings = try reader.provideMappings()

        let expectedMappings = [
-            OverlayMapping(virtual: "/DerivedDataProducts/Target1.framework/Headers/Target1.h", local: "/Path/Target1/Target1.h"),
-            OverlayMapping(virtual: "/DerivedDataProducts/Target2.framework/Modules/module.modulemap", local: "/DerivedDataIntermediate/Target2.build/module.modulemap")
+            OverlayMapping(
+                virtual: "/DerivedDataProducts/Target1.framework/Headers/Target1.h",
+                local: "/Path/Target1/Target1.h"
+            ),
+            OverlayMapping(
+                virtual: "/DerivedDataProducts/Target2.framework/Modules/module.modulemap",
+                local: "/DerivedDataIntermediate/Target2.build/module.modulemap"
+            ),
        ]
        XCTAssertEqual(Set(mappings), Set(expectedMappings))
    }
@@ -59,7 +65,30 @@ class JsonOverlayReaderTests: XCTestCase {
        XCTAssertEqual(mappings, [])
    }

+    func testInvalidJsonDoesntThrowForBestEffortMode() throws {
+        let workingDir = try prepareTempDir()
+        let file = workingDir.appendingPathExtension("overlay.json")
+        try fileManager.spt_createEmptyFile(file)
+        let reader = JsonOverlayReader(file, mode: .bestEffort, fileReader: fileManager)
+        let mappings = try reader.provideMappings()
+
+        XCTAssertEqual(mappings, [])
+    }
+
+    func testInvalidJsonThrowsForStrictMode() throws {
+        let workingDir = try prepareTempDir()
+        let file = workingDir.appendingPathExtension("overlay.json")
+        try fileManager.spt_createEmptyFile(file)
+        let reader = JsonOverlayReader(file, mode: .strict, fileReader: fileManager)
+
+        XCTAssertThrowsError(try reader.provideMappings())
+    }
+
    private func pathForTestData(name: String) throws -> URL {
-        return try XCTUnwrap(Bundle.module.url(forResource: name, withExtension: "json", subdirectory: JsonOverlayReaderTests.resourcesSubdirectory))
+        return try XCTUnwrap(Bundle.module.url(
+            forResource: name,
+            withExtension: "json",
+            subdirectory: JsonOverlayReaderTests.resourcesSubdirectory
+        ))
    }
 }
@@ -20,11 +20,12 @@
@testable import XCRemoteCache
 import XCTest

-class StringDependenciesRemapperFactoryTests: XCTestCase {
-    private var factory: StringDependenciesRemapperFactory!
+class PathDependenciesRemapperFactoryTests: XCTestCase {
+    private var factory: PathDependenciesRemapperFactory!

    override func setUp() {
-        factory = StringDependenciesRemapperFactory()
+        super.setUp()
+        factory = PathDependenciesRemapperFactory()
    }

    func testMappingsFromEnvMaps() throws {
@@ -34,12 +35,34 @@ class StringDependenciesRemapperFactoryTests: XCTestCase {
            customMappings: [:]
        )

-        let localPaths = remapper.replace(genericPaths: ["$(SRC_ROOT)/some.swift"])
+        let localPaths = try remapper.replace(genericPaths: ["$(SRC_ROOT)/some.swift"])
        XCTAssertEqual(localPaths, ["/tmp/root/some.swift"])
    }

-    func testInvalidMappingsFromEnvFails() throws {
-        XCTAssertThrowsError(
+    func testMappingsGenericWhenMappingHasParentDir() throws {
+        let remapper = try factory.build(
+            orderKeys: ["SRC_ROOT"],
+            envs: ["SRC_ROOT": "/tmp/root/extra/.."],
+            customMappings: [:]
+        )
+
+        let localPaths = try remapper.replace(genericPaths: ["$(SRC_ROOT)/some.swift"])
+        XCTAssertEqual(localPaths, ["/tmp/root/some.swift"])
+    }
+
+    func testMappingsLocalWhenMappingHasParentDir() throws {
+        let remapper = try factory.build(
+            orderKeys: ["SRC_ROOT"],
+            envs: ["SRC_ROOT": "/tmp/root/excessive/.."],
+            customMappings: [:]
+        )
+
+        let localPaths = try remapper.replace(localPaths: ["/tmp/root/some.swift"])
+        XCTAssertEqual(localPaths, ["$(SRC_ROOT)/some.swift"])
+    }
+
+    func testMissingEnvIsSkipped() throws {
+        XCTAssertNoThrow(
            try factory.build(
                orderKeys: ["SRC_ROOT"],
                envs: ["NO_SRC_ROOT": ""],
@@ -55,7 +78,7 @@ class StringDependenciesRemapperFactoryTests: XCTestCase {
            customMappings: ["TMP": "/tmp"]
        )

-        let genericPaths = remapper.replace(localPaths: ["/some/repoFile.swift", "/tmp/externalFile.swift"])
+        let genericPaths = try remapper.replace(localPaths: ["/some/repoFile.swift", "/tmp/externalFile.swift"])
        XCTAssertEqual(genericPaths, ["$(PWD)/repoFile.swift", "$(TMP)/externalFile.swift"])
    }

@@ -30,34 +30,34 @@ class StringDependenciesRemapperTests: XCTestCase {
        remapper = StringDependenciesRemapper(mappings: mappings)
    }

-    func testMappingSingleGenericPathReplacesWithLocalPath() {
-        let localPaths = remapper.replace(genericPaths: ["$(SRC_ROOT)/some.swift"])
+    func testMappingSingleGenericPathReplacesWithLocalPath() throws {
+        let localPaths = try remapper.replace(genericPaths: ["$(SRC_ROOT)/some.swift"])

        XCTAssertEqual(localPaths, ["/tmp/root/some.swift"])
    }

-    func testRewritingSingleLocalPathReplacesWithGenericPath() {
-        let genericPaths = remapper.replace(localPaths: ["/tmp/root/some.swift"])
+    func testRewritingSingleLocalPathReplacesWithGenericPath() throws {
+        let genericPaths = try remapper.replace(localPaths: ["/tmp/root/some.swift"])

        XCTAssertEqual(genericPaths, ["$(SRC_ROOT)/some.swift"])
    }

-    func testRewritingLocalToGenericAndLocalIsIdentical() {
+    func testRewritingLocalToGenericAndLocalIsIdentical() throws {
        let inputLocalPaths = ["/tmp/root/some.swift"]

-        let genericPaths = remapper.replace(localPaths: inputLocalPaths)
-        let localPaths = remapper.replace(genericPaths: genericPaths)
+        let genericPaths = try remapper.replace(localPaths: inputLocalPaths)
+        let localPaths = try remapper.replace(genericPaths: genericPaths)

        XCTAssertEqual(localPaths, inputLocalPaths)
    }

-    func testRewritingUnrelatedDirReturnsInputPath() {
-        let genericPaths = remapper.replace(localPaths: ["/other/some.swift"])
+    func testRewritingUnrelatedDirReturnsInputPath() throws {
+        let genericPaths = try remapper.replace(localPaths: ["/other/some.swift"])

        XCTAssertEqual(genericPaths, ["/other/some.swift"])
    }

-    func testMultipleMatchesTakeTheFirstMapping() {
+    func testMultipleMatchesTakeTheFirstMapping() throws {
        let mappings: [StringDependenciesRemapper.Mapping] = [
            .init(generic: "$(SRC_ROOT)", local: "/tmp/root"),
            .init(generic: "$(PWD)", local: "/tmp"),
@@ -65,12 +65,12 @@ class StringDependenciesRemapperTests: XCTestCase {
        remapper = StringDependenciesRemapper(mappings: mappings)


-        let genericPaths = remapper.replace(localPaths: ["/tmp/root/some.swift", "/tmp/extra.swift"])
+        let genericPaths = try remapper.replace(localPaths: ["/tmp/root/some.swift", "/tmp/extra.swift"])

        XCTAssertEqual(genericPaths, ["$(SRC_ROOT)/some.swift", "$(PWD)/extra.swift"])
    }

-    func testMappingsLocalPathsIsDoneInOrder() {
+    func testMappingsLocalPathsIsDoneInOrder() throws {
        let mappings: [StringDependenciesRemapper.Mapping] = [
            .init(generic: "$(TMP)", local: "/tmp"),
            .init(generic: "$(ROOT)", local: "$(TMP)/root"),
@@ -78,12 +78,12 @@ class StringDependenciesRemapperTests: XCTestCase {
        remapper = StringDependenciesRemapper(mappings: mappings)


-        let genericPaths = remapper.replace(localPaths: ["/tmp/root/some.swift"])
+        let genericPaths = try remapper.replace(localPaths: ["/tmp/root/some.swift"])

        XCTAssertEqual(genericPaths, ["$(ROOT)/some.swift"])
    }

-    func testMappingsGenericPathsIsDoneInReversedOrder() {
+    func testMappingsGenericPathsIsDoneInReversedOrder() throws {
        let mappings: [StringDependenciesRemapper.Mapping] = [
            .init(generic: "$(TMP)", local: "/tmp"),
            .init(generic: "$(ROOT)", local: "$(TMP)/root"),
@@ -91,7 +91,7 @@ class StringDependenciesRemapperTests: XCTestCase {
        remapper = StringDependenciesRemapper(mappings: mappings)


-        let localPaths = remapper.replace(genericPaths: ["$(ROOT)/some.swift"])
+        let localPaths = try remapper.replace(genericPaths: ["$(ROOT)/some.swift"])

        XCTAssertEqual(localPaths, ["/tmp/root/some.swift"])
    }
@@ -33,19 +33,23 @@ class EnvironmentFingerprintGeneratorTests: XCTestCase {
        "DYLIB_COMPATIBILITY_VERSION": "2",
        "DYLIB_CURRENT_VERSION": "3",
        "PRODUCT_MODULE_NAME": "4",
-        "ARCHS": "AR"
+        "ARCHS": "AR",
    ]
    /// Corresponds to EnvironmentFingerprintGenerator.version
    private static let currentVersion = "5"

    private var config: XCRemoteCacheConfig!
-    private var generator: FingerprintAccumulator!
+    private var generator: FingerprintAccumulator! {
+        return generatorFake
+    }
+
+    private var generatorFake: FingerprintAccumulatorFake!
    private var fingerprintGenerator: EnvironmentFingerprintGenerator!

    override func setUp() {
        super.setUp()
        config = XCRemoteCacheConfig(sourceRoot: "")
-        generator = FingerprintAccumulatorFake()
+        generatorFake = FingerprintAccumulatorFake()
        fingerprintGenerator = EnvironmentFingerprintGenerator(
            configuration: config,
            env: Self.defaultENV,
@@ -92,4 +96,11 @@ class EnvironmentFingerprintGeneratorTests: XCTestCase {

        XCTAssertEqual(fingerprint, "GCC,YES,TARGET,CONG,PLAT,XC,1,2,3,4,AR,CUSTOM_VALUE,\(Self.currentVersion)")
    }
+
+    func testFingerprintIsGeneratedOnce() throws {
+        let fingerprint1 = try fingerprintGenerator.generateFingerprint()
+        let fingerprint2 = try fingerprintGenerator.generateFingerprint()
+        XCTAssertEqual(fingerprint1, fingerprint2)
+        XCTAssertEqual(generatorFake.generateCallsCount, 1)
+    }
 }
@@ -35,10 +35,12 @@ class AWSV4SignatureTest: XCTestCase {

        let key = "wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY"
        let accessKey = "AKIDEXAMPLE"
+        let securityToken = "IQoJb3JpZ2luX2VjENv//////////wEaCXVzLWVhc3Q+bsHwqnovXtl/1JVe61XHMnAw3AIXwOAOxqMvhw=="

        AWSV4Signature(
            secretKey: key,
            accessKey: accessKey,
+            securityToken: securityToken,
            region: "us-east-1",
            service: "iam",
            date: Date(timeIntervalSince1970: 1_440_938_160)
@@ -49,8 +51,8 @@ class AWSV4SignatureTest: XCTestCase {
    func testAuthHeaderContainsCorrectSignature() throws {
        XCTAssertEqual(
            "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20150830/us-east-1/iam/aws4_request, " +
-                "SignedHeaders=content-type;host;x-amz-content-sha256;x-amz-date, " +
-                "Signature=dd479fa8a80364edf2119ec24bebde66712ee9c9cb2b0d92eb3ab9ccdc0c3947",
+                "SignedHeaders=content-type;host;x-amz-content-sha256;x-amz-date;x-amz-security-token, " +
+                "Signature=d26ab974bba1b248f041ea1120064e1fa672d6f06cac2cff42b38acea87b76e5",
            request.allHTTPHeaderFields?["Authorization"]
        )
    }
@@ -72,7 +72,13 @@ class NetworkClientImplTests: XCTestCase {
        configuration.protocolClasses = [URLProtocolStub.self]
        session = URLSession(configuration: configuration)
        fileManager = FileManager.default
-        client = NetworkClientImpl(session: session, retries: 0, fileManager: fileManager, awsV4Signature: nil)
+        client = NetworkClientImpl(
+            session: session,
+            retries: 0,
+            retryDelay: 0,
+            fileManager: fileManager,
+            awsV4Signature: nil
+        )
    }

    override func tearDown() {
@@ -87,7 +93,7 @@ class NetworkClientImplTests: XCTestCase {
        super.tearDown()
    }

-    func waitForResponse<R>(_ action: (@escaping Completion<R>) -> Void) throws -> Result<R, NetworkClientError> {
+    func waitForResponse<R>(_ action: (@escaping Completion<R>) -> Void, timeout: TimeInterval = 0.1) throws -> Result<R, NetworkClientError> {
        let responseExpectation = expectation(description: "RequestResponse")
        var receivedResponse: Result<R, NetworkClientError>?

@@ -95,7 +101,7 @@ class NetworkClientImplTests: XCTestCase {
            receivedResponse = response
            responseExpectation.fulfill()
        }
-        waitForExpectations(timeout: 0.1)
+        waitForExpectations(timeout: timeout)
        return try receivedResponse.unwrap()
    }

@@ -141,9 +147,15 @@ class NetworkClientImplTests: XCTestCase {
    }

    func testUploadFilureWith400Retries() throws {
-        client = NetworkClientImpl(session: session, retries: 2, fileManager: fileManager, awsV4Signature: nil)
+        client = NetworkClientImpl(
+            session: session,
+            retries: 2,
+            retryDelay: 0,
+            fileManager: fileManager,
+            awsV4Signature: nil
+        )
        responses[url] = .success(failureResponse, Data())
-        _ = try waitForResponse { client.upload(fileURL, as: url, completion: $0) }
+        _ = try waitForResponse({ client.upload(fileURL, as: url, completion: $0) }, timeout: 0.5)

        XCTAssertEqual(
            requests.map(\.url),
@@ -153,7 +165,13 @@ class NetworkClientImplTests: XCTestCase {
    }

    func testUploadSuccessDoesntRetry() throws {
-        client = NetworkClientImpl(session: session, retries: 0, fileManager: fileManager, awsV4Signature: nil)
+        client = NetworkClientImpl(
+            session: session,
+            retries: 0,
+            retryDelay: 0,
+            fileManager: fileManager,
+            awsV4Signature: nil
+        )
        responses[url] = .success(successResponse, Data())
        _ = try waitForResponse { client.upload(fileURL, as: url, completion: $0) }

@@ -203,18 +221,25 @@ class NetworkClientImplTests: XCTestCase {
        let signature = AWSV4Signature(
            secretKey: "wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY",
            accessKey: "AKIDEXAMPLE",
+            securityToken: "IQoJb3JpZ2luX2VjENv//////////wEaCXVzLWVhc3Q+bsHwqnovXtl/1JVe61XHMnAw3AIXwOAOxqMvhw==",
            region: "us-east-1",
            service: "iam",
            date: Date(timeIntervalSince1970: 1_440_938_160)
        )
-        client = NetworkClientImpl(session: session, retries: 0, fileManager: fileManager, awsV4Signature: signature)
+        client = NetworkClientImpl(
+            session: session,
+            retries: 0,
+            retryDelay: 0,
+            fileManager: fileManager,
+            awsV4Signature: signature
+        )
        responses[url] = .success(successResponse, Data())
        _ = try waitForResponse { client.fetch(url, completion: $0) }

        XCTAssertEqual(
            "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20150830/us-east-1/iam/aws4_request, " +
-                "SignedHeaders=host;x-amz-content-sha256;x-amz-date, " +
-                "Signature=acdb223475463b6ce711b063f199387a7a12bd638e4dccaaeb5efcbf159b6454",
+                "SignedHeaders=host;x-amz-content-sha256;x-amz-date;x-amz-security-token, " +
+                "Signature=e5578464567fb97fd26e871702e4ec4ff7d61cb87eb72a40d22b80e12da30c34",
            try requests[0].allHTTPHeaderFields?["Authorization"].unwrap()
        )
    }
@@ -34,5 +34,11 @@ class FingerprintAccumulatorFake: FingerprintAccumulator {
        appendedStrings.append("FILE{\(file.path)}")
    }

-    func generate() throws -> RawFingerprint { return appendedStrings.joined(separator: ",") }
+    private(set) var generateCallsCount = 0
+    func generate() throws -> RawFingerprint {
+        defer {
+            generateCallsCount += 1
+        }
+        return appendedStrings.joined(separator: ",")
+    }
 }
@@ -21,7 +21,8 @@ import Foundation
@testable import XCRemoteCache

 class OverlayReaderFake: OverlayReader {
-    private let mappings: [OverlayMapping]
+    var mappings: [OverlayMapping]
+
    init(mappings: [OverlayMapping]) {
        self.mappings = mappings
    }
@@ -53,6 +53,7 @@ An object that is passed to the `xcremotecache` can contain all properties suppo
 | `xccc_file` | The path where should be placed the `xccc` binary (in the pod installation phase) | `{podfile_dir}/.rc/xccc` | ⬜️ |
 | `remote_commit_file` | The path of the file with the remote commit sha (in the pod installation phase) | `{podfile_dir}/.rc/arc.rc`| ⬜️ |
 | `prettify_meta_files` | A Boolean value that opts-in pretty JSON formatting for meta files | `false` | ⬜️ |
+| `fake_src_root` | An arbitrary source location shared between producers and consumers. Should be unique for a project. | `/xxxxxxxxxx` | ⬜️ |
 | `disable_certificate_verification` | A Boolean value that opts-in SSL certificate validation is disabled | `false` | ⬜️ |

 ## Uninstalling
@@ -62,7 +63,3 @@ To fully uninstall the plugin, call:
 ```bash
 gem uninstall cocoapods-xcremotecache
 ```
-
-## Limitations
-
-* When `generate_multiple_pod_projects` mode is enabled, only first-party targets are cached by XCRemoteCache (all dependencies are compiled locally).
@@ -24,12 +24,12 @@ module CocoapodsXCRemoteCacheModifier
  # Registers for CocoaPods plugin hooks
  module Hooks
    BIN_DIR = '.rc'
-    FAKE_SRCROOT = "/#{'x' * 10 }"
    LLDB_INIT_COMMENT="#RemoteCacheCustomSourceMap"
    LLDB_INIT_PATH = "#{ENV['HOME']}/.lldbinit"
    FAT_ARCHIVE_NAME_INFIX = 'arm64-x86_64'
+    XCRC_COOCAPODS_ROOT_KEY = 'XCRC_COOCAPODS_ROOT'

-    # List of plugins' user properties that should be copied to .rcinfo 
+    # List of plugins' user properties that should not be copied to .rcinfo 
    CUSTOM_CONFIGURATION_KEYS = [
      'enabled', 
      'xcrc_location',
@@ -39,8 +39,7 @@ module CocoapodsXCRemoteCacheModifier
      'check_build_configuration', 
      'check_platform', 
      'modify_lldb_init',
-      'prettify_meta_files',
-      'disable_certificate_verification'
+      'fake_src_root',
    ]

    class XCRemoteCache
@@ -63,9 +62,15 @@ module CocoapodsXCRemoteCacheModifier
          'remote_commit_file' => "#{BIN_DIR}/arc.rc",
          'exclude_targets' => [],
          'prettify_meta_files' => false,
-          'disable_certificate_verification' => false
+          'fake_src_root' => "/#{'x' * 10 }",
+          'disable_certificate_verification' => false,
+          'custom_rewrite_envs' => []
        }
        @@configuration.merge! default_values.select { |k, v| !@@configuration.key?(k) }
+        # Always include XCRC_COOCAPODS_ROOT_KEY in custom_rewrite_envs
+        unless @@configuration['custom_rewrite_envs'].include?(XCRC_COOCAPODS_ROOT_KEY)
+          @@configuration['custom_rewrite_envs'] << XCRC_COOCAPODS_ROOT_KEY
+        end
      end

      def self.validate_configuration()
@@ -106,8 +111,10 @@ module CocoapodsXCRemoteCacheModifier
      # @param mode [String] mode name ('consumer', 'producer', 'producer-fast' etc.)
      # @param exclude_build_configurations [String[]] list of targets that should have disabled remote cache
      # @param final_target [String] name of target that should trigger marking
-      def self.enable_xcremotecache(target, repo_distance, xc_location, xc_cc_path, mode, exclude_build_configurations, final_target)
+      def self.enable_xcremotecache(target, repo_distance, xc_location, xc_cc_path, mode, exclude_build_configurations, final_target, fake_src_root)
        srcroot_relative_xc_location = parent_dir(xc_location, repo_distance)
+        # location of the entrite CocoaPods project, relative to SRCROOT
+        srcroot_relative_project_location = parent_dir('', repo_distance)

        target.build_configurations.each do |config|
          # apply only for relevant Configurations
@@ -120,9 +127,12 @@ module CocoapodsXCRemoteCacheModifier
          config.build_settings['SWIFT_EXEC'] = ["$SRCROOT/#{srcroot_relative_xc_location}/xcswiftc"]
          config.build_settings['LIBTOOL'] = ["$SRCROOT/#{srcroot_relative_xc_location}/xclibtool"]
          config.build_settings['LD'] = ["$SRCROOT/#{srcroot_relative_xc_location}/xcld"]
+          config.build_settings['LDPLUSPLUS'] = ["$SRCROOT/#{srcroot_relative_xc_location}/xcldplusplus"]
+          config.build_settings['SWIFT_USE_INTEGRATED_DRIVER'] = ['NO']

-          config.build_settings['XCREMOTE_CACHE_FAKE_SRCROOT'] = FAKE_SRCROOT
+          config.build_settings['XCREMOTE_CACHE_FAKE_SRCROOT'] = fake_src_root
          config.build_settings['XCRC_PLATFORM_PREFERRED_ARCH'] = ["$(LINK_FILE_LIST_$(CURRENT_VARIANT)_$(PLATFORM_PREFERRED_ARCH):dir:standardizepath:file:default=arm64)"]
+          config.build_settings[XCRC_COOCAPODS_ROOT_KEY] = ["$SRCROOT/#{srcroot_relative_project_location}"]
          debug_prefix_map_replacement = '$(SRCROOT' + ':dir:standardizepath' * repo_distance + ')'
          add_cflags!(config.build_settings, '-fdebug-prefix-map', "#{debug_prefix_map_replacement}=$(XCREMOTE_CACHE_FAKE_SRCROOT)")
          add_swiftflags!(config.build_settings, '-debug-prefix-map', "#{debug_prefix_map_replacement}=$(XCREMOTE_CACHE_FAKE_SRCROOT)")
@@ -135,7 +145,8 @@ module CocoapodsXCRemoteCacheModifier
              phase.name != nil && phase.name.start_with?("[XCRC] Prebuild")
            end
          end
-          prebuild_script = existing_prebuild_script || target.new_shell_script_build_phase("[XCRC] Prebuild")
+
+          prebuild_script = existing_prebuild_script || target.new_shell_script_build_phase("[XCRC] Prebuild #{target.name}")
          prebuild_script.shell_script = "\"$SCRIPT_INPUT_FILE_0\""
          prebuild_script.input_paths = ["$SRCROOT/#{srcroot_relative_xc_location}/xcprebuild"]
          prebuild_script.output_paths = [
@@ -144,8 +155,11 @@ module CocoapodsXCRemoteCacheModifier
          ]
          prebuild_script.dependency_file = "$(TARGET_TEMP_DIR)/prebuild.d"

-          # Move prebuild (last element) to the first position (to make it real 'prebuild')
-          target.build_phases.rotate!(-1) if existing_prebuild_script.nil?
+          # Move prebuild (last element) to the position before compile sources phase (to make it real 'prebuild')
+          if !existing_prebuild_script 
+            compile_phase_index = target.build_phases.index(target.source_build_phase)
+            target.build_phases.insert(compile_phase_index, target.build_phases.delete(prebuild_script))
+          end
        elsif mode == 'producer' || mode == 'producer-fast'
          # Delete existing prebuild build phase (to support switching between modes)
          target.build_phases.delete_if do |phase|
@@ -161,7 +175,7 @@ module CocoapodsXCRemoteCacheModifier
            phase.name != nil && phase.name.start_with?("[XCRC] Postbuild")
          end
        end
-        postbuild_script = existing_postbuild_script || target.new_shell_script_build_phase("[XCRC] Postbuild")
+        postbuild_script = existing_postbuild_script || target.new_shell_script_build_phase("[XCRC] Postbuild #{target.name}")
        postbuild_script.shell_script = "\"$SCRIPT_INPUT_FILE_0\""
        postbuild_script.input_paths = ["$SRCROOT/#{srcroot_relative_xc_location}/xcpostbuild"]
        postbuild_script.output_paths = [
@@ -169,6 +183,11 @@ module CocoapodsXCRemoteCacheModifier
          "$(TARGET_BUILD_DIR)/$(MODULES_FOLDER_PATH)/$(PRODUCT_MODULE_NAME).swiftmodule/$(XCRC_PLATFORM_PREFERRED_ARCH)-$(LLVM_TARGET_TRIPLE_VENDOR)-$(SWIFT_PLATFORM_TARGET_PREFIX)$(LLVM_TARGET_TRIPLE_SUFFIX).swiftmodule.md5"
        ]
        postbuild_script.dependency_file = "$(TARGET_TEMP_DIR)/postbuild.d"
+        # Move postbuild (last element) to the position after compile sources phase (to make it real 'postbuild')
+        if !existing_postbuild_script 
+          compile_phase_index = target.build_phases.index(target.source_build_phase)
+          target.build_phases.insert(compile_phase_index + 1, target.build_phases.delete(postbuild_script))
+        end

        # Mark a sha as ready for a given platform and configuration when building the final_target
        if (mode == 'producer' || mode == 'producer-fast') && target.name == final_target
@@ -178,7 +197,7 @@ module CocoapodsXCRemoteCacheModifier
            end
          end
          mark_script = existing_mark_script || target.new_shell_script_build_phase("[XCRC] Mark")
-          mark_script.shell_script = "\"$SCRIPT_INPUT_FILE_0\" mark --configuration $CONFIGURATION --platform $PLATFORM_NAME"
+          mark_script.shell_script = "\"$SCRIPT_INPUT_FILE_0\" mark --configuration \"$CONFIGURATION\" --platform $PLATFORM_NAME"
          mark_script.input_paths = ["$SRCROOT/#{srcroot_relative_xc_location}/xcprepare"]
        else
          # Delete existing mark build phase (to support switching between modes or changing the final target)
@@ -196,9 +215,12 @@ module CocoapodsXCRemoteCacheModifier
          config.build_settings.delete('SWIFT_EXEC') if config.build_settings.key?('SWIFT_EXEC')
          config.build_settings.delete('LIBTOOL') if config.build_settings.key?('LIBTOOL')
          config.build_settings.delete('LD') if config.build_settings.key?('LD')
+          config.build_settings.delete('LDPLUSPLUS') if config.build_settings.key?('LDPLUSPLUS')
+          config.build_settings.delete('SWIFT_USE_INTEGRATED_DRIVER') if config.build_settings.key?('SWIFT_USE_INTEGRATED_DRIVER')
          # Remove Fake src root for ObjC & Swift
          config.build_settings.delete('XCREMOTE_CACHE_FAKE_SRCROOT')
          config.build_settings.delete('XCRC_PLATFORM_PREFERRED_ARCH')
+          config.build_settings.delete(XCRC_COOCAPODS_ROOT_KEY)
          remove_cflags!(config.build_settings, '-fdebug-prefix-map')
          remove_swiftflags!(config.build_settings, '-debug-prefix-map')
        end
@@ -218,7 +240,7 @@ module CocoapodsXCRemoteCacheModifier
      end

      def self.download_xcrc_if_needed(local_location)
-        required_binaries = ['xcld', 'xclibtool', 'xcpostbuild', 'xcprebuild', 'xcprepare', 'xcswiftc']
+        required_binaries = ['xcld', 'xcldplusplus', 'xclibtool', 'xcpostbuild', 'xcprebuild', 'xcprepare', 'xcswiftc']
        binaries_exist = required_binaries.reduce(true) do |exists, filename|
          file_path = File.join(local_location, filename) 
          exists = exists && File.exist?(file_path)
@@ -304,7 +326,7 @@ module CocoapodsXCRemoteCacheModifier
        end

        # Remove .lldbinit rewrite
-        save_lldbinit_rewrite(nil) unless !@@configuration['modify_lldb_init']
+        save_lldbinit_rewrite(nil,nil) unless !@@configuration['modify_lldb_init']
      end

      # Returns the content (array of lines) of the lldbinit with stripped XCRemoteCache rewrite
@@ -326,17 +348,17 @@ module CocoapodsXCRemoteCacheModifier
      end

      # Append source rewrite command to the lldbinit content
-      def self.add_lldbinit_rewrite(lines_content, user_proj_directory)
+      def self.add_lldbinit_rewrite(lines_content, user_proj_directory,fake_src_root)
        all_lines = lines_content.clone
        all_lines << LLDB_INIT_COMMENT
-        all_lines << "settings set target.source-map #{FAKE_SRCROOT} #{user_proj_directory}"    
+        all_lines << "settings set target.source-map #{fake_src_root} #{user_proj_directory}"    
        all_lines << ""
        all_lines
      end

-      def self.save_lldbinit_rewrite(user_proj_directory)
+      def self.save_lldbinit_rewrite(user_proj_directory,fake_src_root)
        lldbinit_lines = clean_lldbinit_content(LLDB_INIT_PATH)
-        lldbinit_lines = add_lldbinit_rewrite(lldbinit_lines, user_proj_directory) unless user_proj_directory.nil?
+        lldbinit_lines = add_lldbinit_rewrite(lldbinit_lines, user_proj_directory,fake_src_root) unless user_proj_directory.nil?
        File.write(LLDB_INIT_PATH, lldbinit_lines.join("\n"), mode: "w")
      end

@@ -368,6 +390,7 @@ module CocoapodsXCRemoteCacheModifier
          final_target = @@configuration['final_target']
          check_build_configuration = @@configuration['check_build_configuration']
          check_platform = @@configuration['check_platform']
+          fake_src_root = @@configuration['fake_src_root']

          xccc_location_absolute = "#{user_proj_directory}/#{xccc_location}"
          xcrc_location_absolute = "#{user_proj_directory}/#{xcrc_location}"
@@ -399,7 +422,7 @@ module CocoapodsXCRemoteCacheModifier
                next if target.name.start_with?("Pods-")
                next if target.name.end_with?("Tests")
                next if exclude_targets.include?(target.name)
-                enable_xcremotecache(target, 1, xcrc_location, xccc_location, mode, exclude_build_configurations, final_target)
+                enable_xcremotecache(target, 1, xcrc_location, xccc_location, mode, exclude_build_configurations, final_target,fake_src_root)
            end

            # Create .rcinfo into `Pods` directory as that .xcodeproj reads configuration from .xcodeproj location
@@ -412,7 +435,7 @@ module CocoapodsXCRemoteCacheModifier
                    next if target.source_build_phase.files_references.empty?
                    next if target.name.end_with?("Tests")
                    next if exclude_targets.include?(target.name)
-                    enable_xcremotecache(target, 1, xcrc_location, xccc_location, mode, exclude_build_configurations, final_target)
+                    enable_xcremotecache(target, 1, xcrc_location, xccc_location, mode, exclude_build_configurations, final_target,fake_src_root)
                end
                generated_project.save()
            end
@@ -452,15 +475,15 @@ module CocoapodsXCRemoteCacheModifier
          # Attach XCRC to the app targets
          user_project.targets.each do |target|
              next if exclude_targets.include?(target.name)
-              enable_xcremotecache(target, 0, xcrc_location, xccc_location, mode, exclude_build_configurations, final_target)
+              enable_xcremotecache(target, 0, xcrc_location, xccc_location, mode, exclude_build_configurations, final_target,fake_src_root)
          end

          # Set Target sourcemap
          if @@configuration['modify_lldb_init']
-            save_lldbinit_rewrite(user_proj_directory)
+            save_lldbinit_rewrite(user_proj_directory,fake_src_root)
          else
            Pod::UI.puts "[XCRC] lldbinit modification is disabled. Debugging may behave weirdly"
-            Pod::UI.puts "[XCRC] put \"settings set target.source-map #{FAKE_SRCROOT} \#{your_project_directory}\" to your \".lldbinit\" "
+            Pod::UI.puts "[XCRC] put \"settings set target.source-map #{fake_src_root} \#{your_project_directory}\" to your \".lldbinit\" "
          end

          user_project.save()
@@ -13,5 +13,5 @@
 # limitations under the License.

 module CocoapodsXcremotecache
-  VERSION = "0.0.6"
+  VERSION = "0.0.13"
 end
@@ -1,5 +1,7 @@
 ## Development - How to build

+Generated [docs](https://spotify.github.io/XCRemoteCache/documentation/xcremotecache/).
+
 ### Building the library:

 `CONFIG=Debug rake build`
@@ -23,6 +25,34 @@ If you prefer to edit in Xcode, run `swift package generate-xcodeproj`. Do **not

 The generated Xcode project contains schemes for each output application (like `xcswiftc`, `xcprebuild` etc.) so to build a single app, just select the appropriate scheme and build (⌘+B). If you want to build all applications at once, select `Aggregator` scheme that automatically builds all apps. `Aggregator` target in `Package.swift` is defined only for development convenience, it shouldn't be ever used as a dependency.   

+#### Debugging the app in a real project
+
+Debugging XCRemoteCache in a real project is simple:
+* Open XCRemoteCache's `Package.swift` in Xcode and select a scheme that corresponds to the process you want to debug, e.g. `xcpostbuild`
+
+![Select scheme](./img/debug-scheme.png)
+
+* Build the app with Product->Build (or ⌘+B)
+* Open the scheme's settings (⌘+⇧+<) and for the "Run" action, select "Wait for the executable to be launched"
+
+![Configure scheme](./img/debug-scheme-wait.png)
+
+* Find the produced binary in your DerivedData. The default location would be `~/Library/Developer/Xcode/DerivedData/XCRemoteCache-{hash}/Build/Products/Debug/xcpostbuild`
+* In the project you want to debug, pick the target you want to inspect and expand the build phase that calls the process
+* Replace the Input Files path so it points the locally built binary placed in DerivedData
+
+![Update phase](./img/debug-phase-update.png)
+
+* Now, you can run the **XCRemoteCache** project (not the project you want to debug). Because Xcode will not initiate a new process, it will just wait until someone else triggers it.
+
+![LLDB waiting](./img/debug-wait.png)
+
+* Finally, build the project to want to debug and expect your XCRemoteCache breakpoints to hit
+
+![Breakpoint hit](./img/debug-breakpoint.png)
+
+> Tip: If your breakpoints don't hit, try adding a dummy `sleep(1)` in the process entry point (e.g. at the top of `XCPostbuild.main` function)  
+
 #### Running tests in Xcode

 All unit tests are placed in `XCRemoteCacheTests`. To run them from Xcode, just pick any application scheme and run tests (⌘+U).
@@ -50,3 +50,18 @@ log show --predicate 'sender == "xcprepare"' --style compact --info --debug -las
 log show --predicate 'sender BEGINSWITH "xc"' --style compact --info --debug -last 10m
 ```
 </details>
+
+### Troubleshooting cache misses
+
+Here is a non-exhaustive list of steps that may help with troubleshooting poor cache hit rate.
+
+1. ***Producer&Consumer:*** Review XCRemoteCache [Requirements](../#Requirements) and [Limitations](../#limitations)
+1. ***Producer&Consumer:*** Make sure a producer build uses the same architecture(s) as a consumer. You can inspect `ARCHS` Build Setting in Xcode's Script Phase output logs. Navigate to the report navigator (⌘+9) and expand XCRemoteCache's `prebuild` step output using the "collapsed menu icon" (aka hamburger menu)
+1. ***Producer:*** Verify that all Xcode targets have a Build Phase called `postbuild`
+1. ***Producer:*** If you are using optional XCRemoteCache auto-marking feature (`--final-producer-target` or `final_target`) verify an extra Build Phase called `mark` is added to the specified target
+1. ***Producer:*** After a full build, review logs according to [docs](#how-can-i-find-xcremotecache-logs)
+1. ***Consumer:*** Verify that all Xcode targets have extra XCRemoteCache Build Phase called `prebuild` and `postbuild`
+1. ***Consumer:*** After a full build, review according to [docs](#how-can-i-find-xcremotecache-logs). Find a ***first:*** target that reports a cache miss with a message like `Prebuild step failed with error: ...`. If a target reports faces a cache miss, it may have a knock-on effect where a lot of its consumers (dependant targets) need to be built locally too
+1. ***Consumer:*** ***After a full build, review all meta files placed in `~/Library/Caches/XCRemoteCache/{your_host_path}/meta/*.json` and make sure no absolute paths are used in its `dependencies`. All paths should start a placeholder, like `$(SRCROOT)` or `$(BUILD_DIR)`***
+1. ***Consumer:*** If you are integrating XCRemoteCache and rebuild artifacts for the same sha, previously downloaded artifacts placed in a local cache may still be used on a consumer side. You can either manually delete your local cache at `~/Library/Caches/XCRemoteCache/` before any consumer build or disable a local cache with `artifact_maximum_age: 0` property in `.rcinfo`
+1. ***Consumer:*** To find an actual cache hit, before building in Xcode reset statistics with `xcprepare stats --reset` and once it is done, call `xcprepare stats` to find a cache hit rate
@@ -0,0 +1,8 @@
+---
+cache_addresses: 
+  - 'http://localhost:8080/cache/pods'
+primary_repo: '.'
+primary_branch: 'e2e-test-branch'
+mode: 'consumer'
+final_target': XCRemoteCacheSample'
+artifact_maximum_age: 0 # do not use local cache in ~/Library/Caches/XCRemoteCache
@@ -0,0 +1,5 @@
+//
+//  Use this file to import your target's public headers that you would like to expose to Swift.
+//
+
+#import "SomeObjC.h"
@@ -0,0 +1,6 @@
+import Foundation
+
+@objc
+public class SomeClass: NSObject {
+    @objc public var someEnum: SomeEnum = .default
+}
@@ -0,0 +1,10 @@
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+typedef NS_ENUM(NSInteger, SomeEnum) {
+    SomeEnumDefault
+};
+
+NS_ASSUME_NONNULL_END
@@ -0,0 +1,544 @@
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+		36201A1F2843B3C7002FF70F /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++17";
+				CLANG_CXX_LIBRARY = "libc++";
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_ENABLE_OBJC_WEAK = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				COPY_PHASE_STRIP = NO;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				ENABLE_NS_ASSERTIONS = NO;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu11;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.2;
+				MTL_ENABLE_DEBUG_INFO = NO;
+				MTL_FAST_MATH = YES;
+				SDKROOT = iphoneos;
+				SWIFT_COMPILATION_MODE = wholemodule;
+				SWIFT_OPTIMIZATION_LEVEL = "-O";
+				VALIDATE_PRODUCT = YES;
+			};
+			name = Release;
+		};
+		36201A212843B3C7002FF70F /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
+				CLANG_ENABLE_MODULES = YES;
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				GENERATE_INFOPLIST_FILE = YES;
+				HEADER_SEARCH_PATHS = "$(BUILT_PRODUCTS_DIR)/include/";
+				INFOPLIST_FILE = StandaloneApp/Info.plist;
+				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
+				INFOPLIST_KEY_UILaunchStoryboardName = LaunchScreen;
+				INFOPLIST_KEY_UIMainStoryboardFile = Main;
+				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPhone = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+				);
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.xcremotecache.StandaloneApp;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_EMIT_LOC_STRINGS = YES;
+				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+			};
+			name = Debug;
+		};
+		36201A222843B3C7002FF70F /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
+				CLANG_ENABLE_MODULES = YES;
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				GENERATE_INFOPLIST_FILE = YES;
+				HEADER_SEARCH_PATHS = "$(BUILT_PRODUCTS_DIR)/include/";
+				INFOPLIST_FILE = StandaloneApp/Info.plist;
+				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
+				INFOPLIST_KEY_UILaunchStoryboardName = LaunchScreen;
+				INFOPLIST_KEY_UIMainStoryboardFile = Main;
+				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPhone = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+				);
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.xcremotecache.StandaloneApp;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_EMIT_LOC_STRINGS = YES;
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+			};
+			name = Release;
+		};
+		36201A2C2843B3D3002FF70F /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CLANG_ENABLE_MODULES = YES;
+				CODE_SIGN_STYLE = Automatic;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+					"@loader_path/Frameworks",
+				);
+				OTHER_LDFLAGS = "-ObjC";
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SKIP_INSTALL = YES;
+				SWIFT_OBJC_BRIDGING_HEADER = "MixedTarget/MixedTarget-Bridging-Header.h";
+				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+			};
+			name = Debug;
+		};
+		36201A2D2843B3D3002FF70F /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CLANG_ENABLE_MODULES = YES;
+				CODE_SIGN_STYLE = Automatic;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+					"@loader_path/Frameworks",
+				);
+				OTHER_LDFLAGS = "-ObjC";
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SKIP_INSTALL = YES;
+				SWIFT_OBJC_BRIDGING_HEADER = "MixedTarget/MixedTarget-Bridging-Header.h";
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		36201A072843B3C3002FF70F /* Build configuration list for PBXProject "StandaloneApp" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				36201A1E2843B3C7002FF70F /* Debug */,
+				36201A1F2843B3C7002FF70F /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		36201A202843B3C7002FF70F /* Build configuration list for PBXNativeTarget "StandaloneApp" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				36201A212843B3C7002FF70F /* Debug */,
+				36201A222843B3C7002FF70F /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		36201A2B2843B3D3002FF70F /* Build configuration list for PBXNativeTarget "MixedTarget" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				36201A2C2843B3D3002FF70F /* Debug */,
+				36201A2D2843B3D3002FF70F /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 36201A042843B3C3002FF70F /* Project object */;
+}
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:">
+   </FileRef>
+</Workspace>
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
@@ -0,0 +1,29 @@
+import UIKit
+
+@main
+class AppDelegate: UIResponder, UIApplicationDelegate {
+
+
+
+    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
+        // Override point for customization after application launch.
+        return true
+    }
+
+    // MARK: UISceneSession Lifecycle
+
+    func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration {
+        // Called when a new scene session is being created.
+        // Use this method to select a configuration to create the new scene with.
+        return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role)
+    }
+
+    func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set<UISceneSession>) {
+        // Called when the user discards a scene session.
+        // If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions.
+        // Use this method to release any resources that were specific to the discarded scenes, as they will not return.
+    }
+
+
+}
+
@@ -0,0 +1,11 @@
+{
+  "colors" : [
+    {
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
@@ -0,0 +1,98 @@
+{
+  "images" : [
+    {
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "20x20"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "20x20"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "29x29"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "29x29"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "40x40"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "40x40"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "60x60"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "60x60"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "1x",
+      "size" : "20x20"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "2x",
+      "size" : "20x20"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "1x",
+      "size" : "29x29"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "2x",
+      "size" : "29x29"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "1x",
+      "size" : "40x40"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "2x",
+      "size" : "40x40"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "1x",
+      "size" : "76x76"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "2x",
+      "size" : "76x76"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "2x",
+      "size" : "83.5x83.5"
+    },
+    {
+      "idiom" : "ios-marketing",
+      "scale" : "1x",
+      "size" : "1024x1024"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13122.16" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13104.12"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="EHf-IW-A2E">
+            <objects>
+                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" xcode11CocoaTouchSystemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
+                        <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="53" y="375"/>
+        </scene>
+    </scenes>
+</document>
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13122.16" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="BYZ-38-t0r">
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13104.12"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="tne-QT-ifu">
+            <objects>
+                <viewController id="BYZ-38-t0r" customClass="ViewController" customModuleProvider="target" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" xcode11CocoaTouchSystemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
+                        <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
+            </objects>
+        </scene>
+    </scenes>
+</document>
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Vadim Smal	25ff5a790b	Merge pull request #157 from CognitiveDisson/addUploadRetryDelay Add a delay between network request retries	2022-07-15 18:38:20 +01:00
Vadim Smal	f446f6061d	Fix config read	2022-07-15 18:01:22 +01:00
Vadim Smal	b46d1e2ca1	Fixed retryDelay decoding	2022-07-14 18:06:35 +01:00
Vadim Smal	88d0666da9	Fix swiftlint violations	2022-07-14 17:44:31 +01:00
Vadim Smal	08bf5c21bf	Update documentation	2022-07-14 17:38:48 +01:00
Vadim Smal	be97a6a247	Fix swiftlint violations	2022-07-14 17:37:46 +01:00
Vadim Smal	dff71f8070	Add a delay between upload retries	2022-07-14 16:59:40 +01:00
Vadim Smal	cda5fc1188	Add a delay between upload retries	2022-07-11 17:21:51 +01:00
Bartosz Polaczyk	15586755d2	Merge pull request #152 from polac24/xcode14-fallback Xcode 14.0 support	2022-06-20 09:29:41 +02:00
Bartosz Polaczyk	e978eb182c	Add limitation	2022-06-18 17:51:54 +02:00
Bartosz Polaczyk	7e98cebdd9	Merge remote-tracking branch 'upstream/master' into xcode14-fallback	2022-06-18 17:48:18 +02:00
Bartosz Polaczyk	fbc2982aa3	[Xcode 14.0] Disable Swift integration driver	2022-06-18 17:43:33 +02:00
Bartosz Polaczyk	cbcc028cad	Merge pull request #151 from ainopara/fix/denpendency-writer-white-space Escape white space in denpendency writer	2022-06-14 15:25:57 +02:00
ainopara	2acf97eca1	Fix lint issue	2022-06-14 13:37:33 +08:00
ainopara	40803cf747	Add unit test	2022-06-13 14:45:15 +08:00
ainopara	97496ed7b8	Escape white space in denpendency writer	2022-06-13 01:35:15 +08:00
Bartosz Polaczyk	45222f8e33	Merge pull request #150 from jarbogast-salesforce/cplusplus-support Support C++ Linker	2022-06-11 22:26:58 +02:00
Jonathan Arbogast	91b5b5e590	Support C++ Linker	2022-06-11 15:07:30 -04:00
Bartosz Polaczyk	f2a7880c24	Merge pull request #148 from polac24/20220606-integrate-postbuild Place postbuild build phase right after compilation	2022-06-07 07:29:14 -04:00
Bartosz Polaczyk	00cb8cc23d	Merge pull request #147 from polac24/20220606-bridging-headers-enum-test Add E2E test for exposing public enums from ObjC to Swift	2022-06-07 07:28:56 -04:00
Bartosz Polaczyk	a3cd6bea07	Add postbuild right after compilation for CocoaPods	2022-06-06 17:53:11 -04:00
Bartosz Polaczyk	86c762b070	Add postbuild right after compilation for integrate	2022-06-06 17:49:44 -04:00
Bartosz Polaczyk	bd21156695	Add E2E test for exposing public enums from ObjC to Swift	2022-06-06 17:34:14 -04:00
Bartosz Polaczyk	3a82ad91b2	Merge pull request #144 from devMEremenko/fix-caching-in-env-fingerprint-generator Fixed caching in `generatedFingerprint` in `EnvironmentFingerprintGenerator`	2022-06-02 23:03:38 +02:00
Maxim Eremenko	5a5bf35c4a	Clean up	2022-06-02 22:46:10 +03:00
Maxim Eremenko	1f766ad4a4	Fixed SwiftLint in `EnvironmentFingerprintGeneratorTests`	2022-06-02 22:34:23 +03:00
Maxim Eremenko	3c3cd84d81	Fixed swiftlint issues	2022-06-02 22:23:42 +03:00
Maxim Eremenko	7728733aef	Cached `generatedFingerprint` in `EnvironmentFingerprintGenerator`	2022-06-02 21:06:41 +03:00
Bartosz Polaczyk	50580bf9fd	Merge pull request #139 from samuelsainz/feature/postbuild-dependencies-reader-perf-improvement Improved DependenciesReader performance (~10x faster)	2022-05-24 17:40:21 +02:00
Samuel Sainz	ceaff318d6	Fixed SwiftLint issues and CR improvements	2022-05-24 11:09:18 -03:00
Samuel Sainz	4cc932a592	Improved Dependencies Reader performance to be 10x faster	2022-05-23 15:31:41 -03:00
Bartosz Polaczyk	75bef0baf6	Merge pull request #136 from polac24/20220517-fix-vendored-frameworks Support Vendored frameworks in the CocoaPods development pod	2022-05-19 09:03:04 +02:00
Bartosz Polaczyk	03671e71b7	Support Vendored frameworks in the CocoaPods plugin	2022-05-17 19:46:15 +02:00
Bartosz Polaczyk	91505a59d2	Merge pull request #135 from polac24/fix-hybrid-incremental Fix hybrid incremental performance	2022-05-16 09:43:46 +02:00
Bartosz Polaczyk	59c1d999b1	Always clean history when prebuilding	2022-05-15 20:04:27 +02:00
Bartosz Polaczyk	ba58c1c21e	Do not add marker dependency	2022-05-15 19:59:42 +02:00
Bartosz Polaczyk	96ce18bc31	Retrigger clang compilations when a target is switching between cache miss<->hit	2022-05-13 12:07:12 +02:00
Bartosz Polaczyk	30e49ef7bc	Merge pull request #132 from zzzworm/master Update gem_version.rb	2022-05-12 12:25:57 +02:00
zzzworm	d46f09c6dd	Update gem_version.rb just update the gem version to fix pod install error when disable XCRemoteCache	2022-05-12 15:30:44 +08:00
Bartosz Polaczyk	2fdf6c39e2	Merge pull request #131 from zzzworm/master fix pod install error when disable cache	2022-05-12 06:48:03 +02:00
zhouchanghong	064b22a2d1	fix pod install error when disable cache	2022-05-11 17:45:26 +08:00
Bartosz Polaczyk	ddeffe75d6	Merge pull request #130 from polac24/irrelevant-dependency Add irrelevant dependencies property	2022-05-11 08:59:32 +02:00
Bartosz Polaczyk	181997e3d2	Test fix	2022-05-11 08:37:01 +02:00
Bartosz Polaczyk	1d6ac2c171	Apply reviewer suggestions	2022-05-11 08:30:10 +02:00
Bartosz Polaczyk	3dfd6e296f	Typo cleanup	2022-05-10 21:31:34 +02:00
Bartosz Polaczyk	c39b286222	Fix swiftlint	2022-05-10 13:15:22 +02:00
Bartosz Polaczyk	a55a4547ac	Add skipped dependencies regex	2022-05-10 12:58:19 +02:00
Bartosz Polaczyk	51c2007c5b	Merge pull request #129 from polac24/docs Generate gh-pages docs using docc	2022-05-09 09:22:08 +02:00
Bartosz Polaczyk	fc092fc4e3	Merge pull request #128 from zzzworm/master cocoapods plugin support custom FAKE_SRCROOT	2022-05-08 10:55:55 +02:00
Bartosz Polaczyk	3f9596f6e6	Bump to Xcode 13.3.1	2022-05-07 18:00:43 +02:00
Bartosz Polaczyk	15f4ee7eab	Generate gh-pages docs using docc	2022-05-07 17:55:26 +02:00
zhouchanghong	a6325db0a5	[Docs] add fake_src_root doc for cocoapods plugin	2022-05-07 19:47:11 +08:00
zhouchanghong	cfa4fbd070	cocoapods plugin support custom FAKE_SRCROOT	2022-05-07 19:40:10 +08:00
Bartosz Polaczyk	c573ced4f4	Add irrelevant_dependencies_paths property	2022-05-07 09:29:20 +02:00
Bartosz Polaczyk	0c2afc15fc	Merge pull request #125 from ainopara/master Fix xcode preview compile issue	2022-04-27 17:48:06 +02:00
ainopara	586e8df56e	Fix xcode preview compile issue When SWIFT_EXEC and LD is setted in a terget, files in the taget can not be previewed due to compile failure which is caused by missing argument.	2022-04-26 19:20:09 +08:00
Bartosz Polaczyk	ef3a88c6ec	Merge pull request #122 from polac24/20220418-derived Fix building target dependencies list with custom DERIVED_FILE_DIR	2022-04-19 09:32:43 +02:00
Bartosz Polaczyk	95f95be29e	Identify custom DerivedData under sources dir	2022-04-18 09:07:36 +02:00
Bartosz Polaczyk	4d12800096	Skip all DerivedData files in dependencies list	2022-04-18 09:04:17 +02:00
Bartosz Polaczyk	fbb456b0e0	Merge pull request #121 from cezarsignori/csignori/rc_derived_files_dir Set auto-generated Swift header under DERIVED_FILES_DIR as irrelevant dependency	2022-04-18 08:57:44 +02:00
Cezar Signori	a321ea3362	Set auto-generated Swift header under DERIVED_FILES_DIR as irrelevant dependency	2022-04-14 14:20:30 +02:00
Bartosz Polaczyk	963e6858ee	Merge pull request #117 from polac24/20220411-loop-configs Load extra configuration in a chain	2022-04-12 22:31:46 +02:00
Bartosz Polaczyk	f9999a402f	Merge pull request #118 from polac24/20220412-bump-cocoapods Bump CocoaPods plugin to 0.0.9	2022-04-12 22:25:42 +02:00
Bartosz Polaczyk	dbfe1dd8d4	Bump CocoaPods plugin to 0.0.9	2022-04-12 15:44:52 +02:00
Bartosz Polaczyk	def12fab6f	Merge pull request #116 from samuelsainz/bugfix/prebuild-phase-order Fix error that moves the Prebuild phase script after the source phase	2022-04-12 00:01:12 +02:00
Bartosz Polaczyk	6fee69f081	Fix linter	2022-04-11 20:10:43 +02:00
Bartosz Polaczyk	b74bafa5d7	Cleanup tests	2022-04-11 19:53:33 +02:00
Bartosz Polaczyk	33de361317	Add Readme docs	2022-04-11 19:40:00 +02:00
Bartosz Polaczyk	0aeb5aee36	Allow importing extra config multiple times	2022-04-11 19:37:36 +02:00
Samuel Sainz	8682731f30	Fix error that moves the Prebuild phase script after the source build phase	2022-04-11 11:03:15 -03:00
Bartosz Polaczyk	62b637bdaa	Merge pull request #113 from polac24/cocoapods-bump-008 Bump cocoapods plugin version 0.0.8	2022-04-04 09:27:19 +02:00
Bartosz Polaczyk	0bca5e5bc4	Bump cocoapods plugin version 0.0.8	2022-04-04 08:14:06 +02:00
Bartosz Polaczyk	eb0d4b17b7	Merge pull request #95 from polac24/20220226-pch-suport Switch to local PCH headers compilation	2022-04-01 08:41:39 +02:00
Bartosz Polaczyk	d9ea5bfd49	Apply suggestions from code review Co-authored-by: Aleksander Grzyb <aleksander.grzyb@gmail.com>	2022-04-01 08:24:07 +02:00
Bartosz Polaczyk	ee8bf69814	Add comments	2022-03-31 22:09:55 +02:00
Bartosz Polaczyk	2c0f78056f	Merge branch 'master' into 20220226-pch-suport	2022-03-31 22:03:10 +02:00
Bartosz Polaczyk	b6b17bdc8a	Merge pull request #111 from devMEremenko/integrate-aws-security-token Integrate AWS Temporary Access Keys	2022-03-31 20:15:30 +02:00
Maxim Eremenko	a387359930	Removed trailing_whitespace	2022-03-31 20:44:13 +03:00
Maxim Eremenko	456233b90e	Update tests	2022-03-30 23:46:15 +03:00
Maxim Eremenko	d6f6e2e9bc	Integrate AWS Temporary Security Token	2022-03-30 23:21:22 +03:00
Bartosz Polaczyk	a35bd0b394	Merge pull request #110 from samuelsainz/bugfix/mark-script_build-config-param Adding quotes to the config param in the Mark script	2022-03-25 23:20:02 +01:00
Samuel Sainz	def131f2a0	Fix config param in Mark script considering build configs with a space in the name	2022-03-25 17:40:17 -03:00
Bartosz Polaczyk	c052ed8ed6	Merge pull request #105 from cezarsignori/csignori/xcrc_fake_src_root Set provided fakeSrcRoot on Xcode proj build settings as XCRC_FAKE_SRCROOT	2022-03-22 17:00:59 +01:00
Cezar Signori	d4f9486b92	Set provided fakeSrcRoot on Xcode proj build settings as XCRC_FAKE_SRCROOT	2022-03-22 16:26:16 +01:00
Bartosz Polaczyk	8241914543	Merge pull request #106 from alecgarza96/master Fixes issue #49	2022-03-21 20:08:19 +01:00
alecgarza96	b5ff16484f	removed trailing whitespace	2022-03-21 11:31:09 -05:00
alecgarza96	2b9dde9aec	added support for both ".S" and ".s" extensions	2022-03-21 11:16:40 -05:00
alecgarza96	136e7a99ff	added .s file extension for assembly support	2022-03-10 14:40:58 -06:00
Bartosz Polaczyk	c626d51f97	Merge pull request #99 from polac24/20220304-document-debugging [Docs] Local development steps	2022-03-07 17:29:49 +01:00
Bartosz Polaczyk	e8ddc9297d	[Docs] Local development steps	2022-03-04 18:47:29 +01:00
Bartosz Polaczyk	3b614c6172	Merge pull request #97 from polac24/20220228-fix-swiftlint Fix swiftlint errors	2022-03-02 08:47:44 +01:00
Bartosz Polaczyk	87a214104e	Add headers linting	2022-03-01 22:58:00 +01:00
Bartosz Polaczyk	599e1e229d	Fix linter errors	2022-03-01 22:44:21 +01:00
Bartosz Polaczyk	423da7cc4a	Enable trailing_dot_in_comments	2022-03-01 22:44:03 +01:00
Bartosz Polaczyk	4b082e9dd2	Run CI linting in strict mode	2022-03-01 22:22:45 +01:00
Vadim Smal	36803d6b5d	Merge pull request #96 from CognitiveDisson/update-dependencies Update dependencies	2022-03-01 08:54:36 +00:00
Bartosz Polaczyk	5809bc963c	Fix serious errors	2022-02-28 23:14:52 +01:00
Bartosz Polaczyk	cb6626cfbc	Add exclude to E2E Pods	2022-02-28 22:57:45 +01:00
Bartosz Polaczyk	3e18711e09	Apply autocorrect	2022-02-28 22:56:34 +01:00
Bartosz Polaczyk	ccda424791	Formatting	2022-02-28 22:55:04 +01:00
Vadim Smal	90d784cc8d	Update dependencies	2022-02-28 16:05:59 +00:00
Bartosz Polaczyk	6715824195	Update Sources/XCRemoteCache/Commands/Prepare/CCWrapperBuilder.swift	2022-02-28 08:29:35 +01:00
Bartosz Polaczyk	c4e08d4288	Remove limitation	2022-02-26 19:11:54 +01:00
Bartosz Polaczyk	a2067f8dfe	Add unit test	2022-02-26 18:37:56 +01:00
Bartosz Polaczyk	253e9597bd	Force compilation success in xccc generation tests	2022-02-26 18:37:56 +01:00
Bartosz Polaczyk	4a93f944fd	Fallback when compiling pch header	2022-02-26 16:03:54 +01:00
Bartosz Polaczyk	f839b4064b	Merge pull request #93 from polac24/20220223-add-troubleshootings [Docs] Add troubleshooting tips	2022-02-24 20:48:29 +01:00
Bartosz Polaczyk	e71837b8b2	Merge pull request #94 from polac24/20220223-missing-overlay-log Print overlay error messages to os_log only	2022-02-24 20:48:12 +01:00
Bartosz Polaczyk	b45792646b	Apply suggestions from code review Co-authored-by: Aleksander Grzyb <aleksander.grzyb@gmail.com>	2022-02-24 08:46:57 +01:00
Bartosz Polaczyk	1966562eef	Print overlay error messages to logs only	2022-02-23 21:58:03 +01:00
Bartosz Polaczyk	883b207c5b	Fix formatting	2022-02-23 21:43:40 +01:00
Bartosz Polaczyk	ca137d0ce4	Add troubleshooting steps	2022-02-23 21:24:07 +01:00
Bartosz Polaczyk	b9a633c86f	Merge pull request #91 from polac24/20220222-disable-urlcache Disable local URLSession cache	2022-02-22 17:33:59 +01:00
Bartosz Polaczyk	55a87eb4e9	Disable local URLSession cache	2022-02-22 14:37:06 +01:00
Bartosz Polaczyk	e6b56024b9	Merge pull request #90 from polac24/bump-cocoapods-007 Bump CocoaPods plugin version	2022-02-21 10:25:45 +01:00
Bartosz Polaczyk	8c34a31110	Bump CocoaPods plugin version	2022-02-19 08:54:22 +01:00
Bartosz Polaczyk	f7c32d6e80	Merge pull request #87 from polac24/20220217-custom-mappings-envs Customize rewritting dependency paths	2022-02-18 11:30:51 +01:00
Bartosz Polaczyk	b3a16ae5d0	Merge pull request #88 from polac24/20220217-decorate-logs Decorate logs with a target name	2022-02-18 11:30:35 +01:00
Bartosz Polaczyk	d013fe4c81	Decorate logs with a target name	2022-02-17 20:35:13 +01:00
Bartosz Polaczyk	4aefee078e	Customize rewritting paths	2022-02-17 20:13:25 +01:00
Bartosz Polaczyk	9363e68d51	Merge pull request #85 from polac24/20220214-remapper-stable Do not change dependencies order when remapping overlay	2022-02-15 09:06:50 +01:00
Bartosz Polaczyk	4af8156da5	Do not change dependencies order when remapping overlay	2022-02-14 18:46:51 +01:00
Bartosz Polaczyk	f086feb005	Merge pull request #83 from polac24/issue-template Add issue templates	2022-02-14 09:01:51 +01:00
Bartosz Polaczyk	d98d4cd0a3	Apply suggestions from code review	2022-02-14 08:46:25 +01:00
Bartosz Polaczyk	a38d445ae9	Merge pull request #82 from polac24/20220210-best-effort-overlay Do not fail prebuild/postbuild for invalid vfs overlay	2022-02-14 08:45:22 +01:00
Bartosz Polaczyk	0436f6ae27	Separate templates	2022-02-13 21:55:56 +01:00
Bartosz Polaczyk	be78959437	Add Issue template	2022-02-11 18:10:00 +01:00
Bartosz Polaczyk	cccae0d9f6	Add disable_vfs_overlay feature flag	2022-02-10 21:03:53 +01:00
Bartosz Polaczyk	e7d1e905cf	Do not throw overlay for the best-effort mode	2022-02-10 20:57:05 +01:00
Bartosz Polaczyk	20d53a1c71	Merge pull request #75 from polac24/20220209-prebuild-index [Integrate] Place xcprebuild script right before compilation	2022-02-10 20:17:16 +01:00
Bartosz Polaczyk	f4ba03d581	Merge pull request #72 from polac24/20220207-non-throwing-init Make DependenciesRemapper throwable	2022-02-09 22:36:36 +01:00
Bartosz Polaczyk	0e48d39818	[Integrate] Move prebuild script right before compilation	2022-02-09 17:52:31 +01:00
Bartosz Polaczyk	3b30939f99	Merge pull request #74 from vasvf/master Rename prebuild and postbuild phases, adjust prebuild position	2022-02-09 17:40:41 +01:00
Vasily Fedorov	e263cb6e25	fix comment	2022-02-09 17:01:35 +03:00
Vasily Fedorov	b805bf4a99	revert some changes	2022-02-09 16:55:13 +03:00
Vasily Fyodorov	fd7b68a344	Merge branch 'spotify:master' into master	2022-02-08 19:18:39 +03:00
Vasily Fedorov	a63488a043	Move build configs to xcconfigs	2022-02-08 19:02:38 +03:00
Bartosz Polaczyk	48bcdd8ce9	Apply suggestions from code review Co-authored-by: PatrikBillgren <PatrikBillgren@users.noreply.github.com>	2022-02-08 16:49:57 +01:00
Bartosz Polaczyk	41dd1cae03	Change to throwing remapping	2022-02-07 20:40:44 +01:00