Change log entry verifier and milestone setter #17
Workflow file for this run
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| 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 the PR" | |
| 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}" |