mirror of
https://github.com/realm/SwiftLint.git
synced 2026-05-07 20:12:49 +00:00
Danny Mösch
94 lines
2.2 KiB
Bash
Executable File
94 lines
2.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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bin="${1:-bazel-bin/swiftlint}"
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paths_to_lint="${2:-.}"
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if [[ "$(uname -s)" != "Linux" ]]; then
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echo "This script is Linux-only (requires /proc/<pid>/maps)."
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exit 0
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fi
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if [[ ! -d /proc ]]; then
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echo "Expected /proc to be available."
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exit 1
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fi
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if [[ ! -x "$bin" ]]; then
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echo "Expected SwiftLint binary at '$bin'"
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exit 1
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fi
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sourcekit_regex="${SOURCEKIT_REGEX:-sourcekit|libsourcekitd|libsourcekitdInProc}"
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run_and_assert_sourcekit() {
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local label="$1"; shift
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local expect_loaded="$1"; shift
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echo "::group::${label}"
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echo "Running: $*"
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"$@" &
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local pid=$!
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local seen=0
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local matched_lines=""
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# Poll until the process exits. The lint run should be long enough to observe mappings.
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while kill -0 "$pid" 2>/dev/null; do
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if [[ -r "/proc/$pid/maps" ]]; then
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matched_lines="$(grep -iE "$sourcekit_regex" "/proc/$pid/maps" || true)"
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if [[ -n "$matched_lines" ]]; then
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seen=1
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if [[ "$expect_loaded" == "loaded" ]]; then
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break
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fi
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fi
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fi
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sleep 0.05
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done
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wait "$pid"
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local rc=$?
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if [[ $rc -ne 0 ]]; then
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echo "Command failed (exit code $rc)"
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exit $rc
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fi
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case "$expect_loaded" in
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loaded)
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if [[ $seen -ne 1 ]]; then
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echo "Expected SourceKit to be loaded but it was not observed in /proc/<pid>/maps"
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exit 1
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fi
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;;
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not-loaded)
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if [[ $seen -ne 0 ]]; then
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echo "Expected SourceKit NOT to be loaded but it was observed in /proc/<pid>/maps"
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echo "$matched_lines" || true
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exit 1
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fi
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;;
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*)
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echo "Invalid expect_loaded='$expect_loaded'"
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exit 1
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;;
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esac
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echo "OK: SourceKit '$expect_loaded'"
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echo "::endgroup::"
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}
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# Use a SourceKit-dependent rule to make the "normal" case deterministic.
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common_lint_args=(--quiet --no-cache --only-rule statement_position "$paths_to_lint")
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run_and_assert_sourcekit "normal" "loaded" \
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"$bin" lint "${common_lint_args[@]}"
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run_and_assert_sourcekit "flag" "not-loaded" \
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"$bin" lint --disable-sourcekit "${common_lint_args[@]}"
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run_and_assert_sourcekit "env" "not-loaded" \
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env SWIFTLINT_DISABLE_SOURCEKIT=1 "$bin" lint "${common_lint_args[@]}"
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