Protect released changelog in CI #5
Workflow file for this run
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| # This action against that any PR targeting the main branch touches released | |
| # sections in CHANGELOG file. If change to released CHANGELOG is required, like | |
| # doing a release, add the \"Unlock Changelog\" label to disable this action. | |
| name: Protect released changelog | |
| on: | |
| pull_request: | |
| types: [opened, synchronize, reopened, labeled, unlabeled] | |
| branches: | |
| - main | |
| jobs: | |
| protect-released-changelog: | |
| runs-on: ubuntu-latest | |
| if: ${{ !contains(github.event.pull_request.labels.*.name, 'Unlock Changelog')}} | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - name: Check the released changelog | |
| run: | | |
| FILE="CHANGELOG.md" | |
| TEMP_DIR=$(mktemp -d) | |
| echo "Temp folder: $TEMP_DIR" | |
| # Only the latest commit of the feature branch is available | |
| # automatically. To diff with the base branch, we need to | |
| # fetch that too (and we only need its latest commit). | |
| git fetch origin ${{ github.base_ref }} --depth=1 | |
| # Checkout the previous version on the base branch of the changelog to tmpfolder | |
| git --work-tree="$TEMP_DIR" checkout FETCH_HEAD $FILE | |
| PREVIOUS_FILE="$TEMP_DIR/$FILE" | |
| CURRENT_FILE="$FILE" | |
| PREVIOUS_LOCKED_FILE="$TEMP_DIR/previous_locked_section.md" | |
| CURRENT_LOCKED_FILE="$TEMP_DIR/current_locked_section.md" | |
| # Extract sections excluding '## [Unreleased]' from the previous version | |
| awk '/^## \[Unreleased\]/ {flag=0} /^## \[/ && !/^## \[Unreleased\]/ {flag=1} /^\[/ {flag=0} flag' "$PREVIOUS_FILE" > "$PREVIOUS_LOCKED_FILE" | |
| # Extract sections excluding '## [Unreleased]' from the current version | |
| awk '/^## \[Unreleased\]/ {flag=0} /^## \[/ && !/^## \[Unreleased\]/ {flag=1} /^\[/ {flag=0} flag' "$CURRENT_FILE" > "$CURRENT_LOCKED_FILE" | |
| # Compare the unchanged sections | |
| if ! diff -q "$PREVIOUS_LOCKED_FILE" "$CURRENT_LOCKED_FILE"; then | |
| echo "Error: The released sections of the changelog file have been modified." | |
| diff "$PREVIOUS_LOCKED_FILE" "$CURRENT_LOCKED_FILE" | |
| rm -rf "$TEMP_DIR" | |
| false | |
| fi | |
| rm -rf "$TEMP_DIR" | |
| echo "The released sections remain unchanged." |