Change log entry verifier and milestone setter #15
Workflow file for this run
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| name: "Change Log Entry Verifier and Milestone Setter" | |
| run-name: Change log entry verifier and milestone setter | |
| on: | |
| - pull_request_target | |
| env: | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| ISSUE: ${{ github.event.issue.html_url }} | |
| SKIP_CHANGELOG_CHECK_LABEL: ${{ '"skip-changelog-check"' }} | |
| CHANGE_LOG_FILE: ${{ 'lucene/CHANGES.txt' }} | |
| jobs: | |
| changelog-verifier-and-milestone-setter: | |
| name: Verify Change Log Entry and Set Milestone | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: 2 | |
| - name: ChangeLog Entry Verifier and Milestone Setter | |
| run: | | |
| echo "################## STEP 1 ##################" | |
| echo "Get all labels from PR #${{ github.event.number }}" | |
| mapfile -t labels < <(gh pr view ${{ github.event.number }} --json labels -q '.labels[].name') | |
| IFS=','; echo "${labels[*]}" | |
| for label in "${labels[@]}"; do | |
| if [[ $label == ${{ env.SKIP_CHANGELOG_CHECK_LABEL }} ]]; then | |
| echo "Skipping github action workflow as label: ${SKIP_CHANGELOG_CHECK_LABEL} is found in the PR." | |
| exit 0 | |
| fi | |
| done | |
| echo "${{ env.SKIP_CHANGELOG_CHECK_LABEL }} not found in the PR. Proceeding with next steps." | |
| echo -e "\n" | |
| echo "################## STEP 2 ##################" | |
| echo "Checking for change log entry in ${{ env.CHANGE_LOG_FILE }}" | |
| git log --pretty=oneline | tail -n 2 | cat | |
| echo "merge base sha: ${{ github.event.pull_request.base.sha }}, merge head sha: ${{ github.event.pull_request.head.sha }}" | |
| if ! git diff ${{ github.event.pull_request.base.sha }} --name-only | grep -q "${{ env.CHANGE_LOG_FILE }}"; then | |
| echo "Change log file:${{ env.CHANGE_LOG_FILE }} does not contains an entry corresponding to changes introduced in PR. Please add a changelog entry." | |
| exit 0 | |
| else | |
| echo "${{ env.CHANGE_LOG_FILE }} contains change log entry. Proceeding with next steps." | |
| fi | |
| echo -e "\n" | |
| echo "################## STEP 3 ##################" | |
| echo "Extracting Lucene version from change log entry" | |
| # git diff header pattern -> "@@ -15,0 +16,4 @@" | |
| # try to extract the line number at which new entry is added, here it's line number 16 | |
| diff=$(git diff ${{ github.event.pull_request.base.sha }} --unified=0 -- ${{ env.CHANGE_LOG_FILE }}) | |
| lucene_version="" | |
| diff_header_pattern="@@ -[0-9]+,?[0-9]* \+([0-9]*),?[0-9]* @@" | |
| if [[ $diff =~ $diff_header_pattern ]]; then | |
| echo "Match found: ${BASH_REMATCH[0]}" | |
| new_entry_line_number=$((BASH_REMATCH[1])) | |
| echo "Found introduced change log entry at line number:${new_entry_line_number}" | |
| lucene_version_regex="=+ ?Lucene ?([0-9.]*) ?=+" | |
| current_line_number=0 | |
| while IFS="" read -r line; do | |
| current_line_number=$((current_line_number+1)) | |
| if [[ $line =~ $lucene_version_regex ]]; then | |
| lucene_version="${BASH_REMATCH[1]}" | |
| fi | |
| if [[ $current_line_number -ge $new_entry_line_number ]]; then | |
| echo "Reached the line number at which new entry is added in ${{ env.CHANGE_LOG_FILE }}" | |
| break | |
| fi | |
| done < ${{ env.CHANGE_LOG_FILE }} | |
| if [[ -z $lucene_version ]]; then | |
| echo "Could not find Lucene version in the change log entry. Please add the Lucene version in the change log entry." | |
| exit 0 | |
| fi | |
| echo "Found corresponding Lucene version: ${lucene_version} based on change log entry. Proceeding with next steps." | |
| else | |
| echo "Could not find the line number at which new entry is added in ${{ env.CHANGE_LOG_FILE }}" | |
| exit 0 | |
| fi | |
| echo -e "\n" | |
| echo "################## STEP 4 ##################" | |
| echo "Adding/Updating milestone for the PR" | |
| mapfile -t milestones < <(gh repo view --json milestones -q '.milestones[].title') | |
| IFS=','; echo "${milestones[*]}" | |
| milestone_exists=false | |
| for milestone in "${milestones[@]}"; do | |
| if [[ $milestone == "$lucene_version" ]]; then | |
| milestone_exists=true | |
| break | |
| fi | |
| done | |
| if [[ $milestone_exists == false ]]; then | |
| echo "Milestone:${lucene_version} does not exist. Please create the milestone and run the workflow again." | |
| exit 0 | |
| fi | |
| # Will uncomment this line after we ensure it runs perfectly in production. | |
| # gh pr edit ${{ github.event.number }} --milestone "${lucene_version}" | |
| echo "Adding/Updating milestone for the PR to:${lucene_version}" |