Prune Branches by Patterns #14
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: Prune Branches by Patterns | |
| on: | |
| # Trigger the workflow every Monday at 23:00 UTC | |
| # Monday to Tuesday at 00:00 ETC | |
| schedule: | |
| - cron: '0 22 * * 1' | |
| jobs: | |
| delete_merged_branches: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Authorize Mikroe Actions App | |
| uses: actions/create-github-app-token@v1 | |
| id: app-token | |
| with: | |
| app-id: ${{ vars.MIKROE_ACTIONS }} | |
| private-key: ${{ secrets.MIKROE_ACTIONS_KEY_AUTHORIZE }} | |
| - name: Checkout code | |
| uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: 0 # Ensure the full history is fetched to check merged branches. | |
| - name: Add GitHub Actions credentials | |
| run: | | |
| git config user.name github-actions | |
| git config user.email github-actions@github.com | |
| - name: List and delete merged feature branches | |
| id: run_script | |
| run: | | |
| # set -x ## Use for debug | |
| # Define the path to the patterns file and log file | |
| pattern_file=".github/workflows/branch_patterns/delete_patterns.txt" | |
| deleted_branches_file="deleted_branches.txt" | |
| # Ensure the file exists | |
| if [ ! -f "$pattern_file" ]; then | |
| echo "Pattern file $pattern_file not found!" | |
| exit 1 | |
| fi | |
| # Initialize the log file | |
| echo "Deleted branches on $(date):" > "$deleted_branches_file" | |
| # Read patterns from the file, sanitize for CRLF endings, and iterate over each pattern | |
| deleted_count=0 # Counter to track deleted branches | |
| while IFS= read -r pattern || [[ -n "$pattern" ]]; do | |
| # Remove any \r (CR) characters from the pattern (handles CRLF line endings) | |
| pattern=$(echo "$pattern" | tr -d '\r') | |
| echo "Checking pattern: origin/${pattern}" | |
| # Find branches that match the pattern | |
| branches_to_delete=($(git branch -r --merged | grep "origin/${pattern}" | grep -v 'main' | grep -v 'master' | sed 's/origin\///')) | |
| # Check if any branches were found for the pattern | |
| if [ ${#branches_to_delete[@]} -eq 0 ]; then | |
| echo "No branches to delete for pattern: $pattern" | |
| else | |
| # Delete each branch found for the pattern | |
| for branch in "${branches_to_delete[@]}"; do | |
| echo "Deleting branch $branch" | |
| git push origin --delete "$branch" | |
| echo "$branch" >> "$deleted_branches_file" # Log deleted branches | |
| deleted_count=$((deleted_count+1)) # Increment the deleted branches counter | |
| done | |
| fi | |
| done < "$pattern_file" | |
| echo "deleted_count=$deleted_count" >> $GITHUB_OUTPUT | |
| # Upload the artifact (deleted_branches.txt file) | |
| - name: Upload deleted branches log as artifact | |
| if: steps.run_script.outputs.deleted_count != '0' # Only upload if there were deletions | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: deleted-branches-log | |
| path: deleted_branches.txt |