Small text/comments-related changes

.gitignore

@@ -64,10 +64,10 @@ fastlane/Preview.html
 fastlane/screenshots
 fastlane/test_output
 
-# Ignore symbolic link to swcomp executable built by SPM.
+# Ignore symbolic link to swcomp executable built by SPM
 /swcomp
 
-# Ignore Package.resolved, because there is no dependencies by default for this package.
+# Ignore Package.resolved, because we don't want to fix dependencies' versions
 Package.resolved
 
 # Ignore docs generated by SourceKitten

Sources/Common/Container/ContainerEntryType.swift

@@ -28,6 +28,7 @@ public enum ContainerEntryType {
     /// Entry type is unknown.
     case unknown
 
+    /// This initalizer's semantics assume conversion from UNIX type, which, by definition, doesn't have `unknown` type.
     init?(_ unixType: UInt32) {
         switch unixType {
         case 0o010000:

Sources/swcomp/Extensions/ContainerEntryInfo+CustomStringConvertible.swift

@@ -9,8 +9,7 @@ import SWCompression
 extension ContainerEntryInfo where Self: CustomStringConvertible {
 
     public var description: String {
-        var output = ""
-        output += "Name: \(self.name)\n"
+        var output = "Name: \(self.name)\n"
 
         switch self.type {
         case .blockSpecial:

Sources/swcomp/Extensions/GzipHeader+CustomStringConvertible.swift

@@ -9,10 +9,12 @@ import SWCompression
 extension GzipHeader: CustomStringConvertible {
 
     public var description: String {
-        var output = ""
-        output += "File name: \(self.fileName ?? "")\n"
-        output += "File system type: \(self.osType)\n"
-        output += "Compression method: \(self.compressionMethod)\n"
+        var output = """
+        File name: \(self.fileName ?? "")
+        File system type: \(self.osType)
+        Compression method: \(self.compressionMethod)
+        
+        """
         if let mtime = self.modificationTime {
             output += "Modification time: \(mtime)\n"
         }