mirror of
https://github.com/tj-actions/changed-files
synced 2024-12-17 13:47:20 +00:00
140 lines
4.8 KiB
Bash
140 lines
4.8 KiB
Bash
#!/usr/bin/env bash
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set -eu
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INITIAL_COMMIT="false"
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echo "::group::changed-files-diff-sha"
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if [[ -n $INPUT_PATH ]]; then
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REPO_DIR="$GITHUB_WORKSPACE/$INPUT_PATH"
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echo "::debug::Resolving repository path: $REPO_DIR"
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if [[ ! -d "$REPO_DIR" ]]; then
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echo "::error::Invalid repository path: $REPO_DIR"
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exit 1
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fi
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cd "$REPO_DIR"
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fi
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echo "Verifying git version..."
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function __version() {
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echo "$@" | awk -F. '{ printf("%d%03d%03d%03d\n", $1,$2,$3,$4); }';
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}
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GIT_VERSION=$(git --version | awk '{print $3}') && exit_status=$? || exit_status=$?
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if [[ $exit_status -ne 0 ]]; then
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echo "::error::git not installed"
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exit 1
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fi
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if [[ $(__version "$GIT_VERSION") -lt $(__version "2.18.0") ]]; then
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echo "::error::Invalid git version. Please upgrade git ($GIT_VERSION) to >= (2.18.0)"
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exit 1
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else
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echo "Valid git version found: ($GIT_VERSION)"
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fi
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echo "::debug::Getting HEAD SHA..."
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if [[ -z $INPUT_SHA ]]; then
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CURRENT_SHA=$(git rev-list -n 1 "HEAD" 2>&1) && exit_status=$? || exit_status=$?
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else
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CURRENT_SHA=$INPUT_SHA; exit_status=$?
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fi
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echo "::debug::Verifying the current commit SHA: $CURRENT_SHA"
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git rev-parse --quiet --verify "$CURRENT_SHA^{commit}" 1>/dev/null 2>&1 && exit_status=$? || exit_status=$?
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if [[ $exit_status -ne 0 ]]; then
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echo "::error::Unable to locate the current sha: $CURRENT_SHA"
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echo "::error::You seem to be missing 'fetch-depth: 0' or 'fetch-depth: 2'. See https://github.com/tj-actions/changed-files#usage"
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exit 1
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else
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echo "::debug::Current SHA: $CURRENT_SHA"
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fi
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if [[ -z $GITHUB_BASE_REF ]]; then
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echo "Running on a push event..."
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TARGET_BRANCH=${GITHUB_REF/refs\/heads\//} && exit_status=$? || exit_status=$?
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CURRENT_BRANCH=$TARGET_BRANCH && exit_status=$? || exit_status=$?
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if [[ -z $INPUT_BASE_SHA ]]; then
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git fetch --no-tags -u --progress origin --depth="$INPUT_TARGET_BRANCH_FETCH_DEPTH" "${TARGET_BRANCH}":"${TARGET_BRANCH}" && exit_status=$? || exit_status=$?
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PREVIOUS_SHA=""
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if [[ "$GITHUB_EVENT_FORCED" == "false" ]]; then
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PREVIOUS_SHA=$GITHUB_EVENT_BEFORE
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fi
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if [[ -z "$PREVIOUS_SHA" || "$PREVIOUS_SHA" == "0000000000000000000000000000000000000000" ]]; then
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PREVIOUS_SHA=$(git rev-parse "$(git branch -r --sort=-committerdate | head -1 | xargs)")
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fi
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if [[ "$PREVIOUS_SHA" == "$CURRENT_SHA" ]]; then
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PREVIOUS_SHA=$(git rev-parse "$CURRENT_SHA^1")
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if [[ "$PREVIOUS_SHA" == "$CURRENT_SHA" ]]; then
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INITIAL_COMMIT="true"
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echo "::debug::Initial commit detected"
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fi
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fi
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else
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PREVIOUS_SHA=$INPUT_BASE_SHA
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TARGET_BRANCH=$(git name-rev --name-only "$PREVIOUS_SHA" 2>&1) && exit_status=$? || exit_status=$?
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CURRENT_BRANCH=$TARGET_BRANCH
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fi
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echo "::debug::Target branch $TARGET_BRANCH..."
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echo "::debug::Current branch $CURRENT_BRANCH..."
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echo "::debug::Verifying the previous commit SHA: $PREVIOUS_SHA"
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git rev-parse --quiet --verify "$PREVIOUS_SHA^{commit}" 1>/dev/null 2>&1 && exit_status=$? || exit_status=$?
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if [[ $exit_status -ne 0 ]]; then
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echo "::error::Unable to locate the previous sha: $PREVIOUS_SHA"
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echo "::error::You seem to be missing 'fetch-depth: 0' or 'fetch-depth: 2'. See https://github.com/tj-actions/changed-files#usage"
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exit 1
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fi
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else
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echo "Running on a pull request event..."
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TARGET_BRANCH=$GITHUB_BASE_REF
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CURRENT_BRANCH=$GITHUB_HEAD_REF
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git fetch --no-tags -u --progress origin --depth="$INPUT_TARGET_BRANCH_FETCH_DEPTH" "${TARGET_BRANCH}":"${TARGET_BRANCH}" &&
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exit_status=$? || exit_status=$?
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if [[ -z $INPUT_BASE_SHA ]]; then
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PREVIOUS_SHA=$GITHUB_EVENT_PULL_REQUEST_BASE_SHA && exit_status=$? || exit_status=$?
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echo "::debug::Previous SHA: $PREVIOUS_SHA"
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else
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PREVIOUS_SHA=$INPUT_BASE_SHA && exit_status=$? || exit_status=$?
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fi
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echo "::debug::Target branch: $TARGET_BRANCH"
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echo "::debug::Current branch: $CURRENT_BRANCH"
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echo "::debug::Verifying the previous commit SHA: $PREVIOUS_SHA"
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git rev-parse --quiet --verify "$PREVIOUS_SHA^{commit}" 1>/dev/null 2>&1 && exit_status=$? || exit_status=$?
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if [[ $exit_status -ne 0 ]]; then
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echo "::error::Unable to locate the previous sha: $PREVIOUS_SHA"
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echo "::error::You seem to be missing 'fetch-depth: 0' or 'fetch-depth: 2'. See https://github.com/tj-actions/changed-files#usage"
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exit 1
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fi
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fi
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if [[ -n "$PREVIOUS_SHA" && -n "$CURRENT_SHA" && "$PREVIOUS_SHA" == "$CURRENT_SHA" && "$INITIAL_COMMIT" == "false" ]]; then
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echo "::error::Similar commit hashes detected: previous sha: $PREVIOUS_SHA is equivalent to the current sha: $CURRENT_SHA"
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echo "::error::You seem to be missing 'fetch-depth: 0' or 'fetch-depth: 2'. See https://github.com/tj-actions/changed-files#usage"
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exit 1
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fi
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echo "::set-output name=target_branch::$TARGET_BRANCH"
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echo "::set-output name=current_branch::$CURRENT_BRANCH"
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echo "::set-output name=previous_sha::$PREVIOUS_SHA"
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echo "::set-output name=current_sha::$CURRENT_SHA"
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echo "::endgroup::"
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