Check Base Branch Before Merge #5
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| name: Check Base Branch Before Merge | |
| on: | |
| pull_request_review: | |
| types: [submitted] | |
| jobs: | |
| check-base-branch-before-merge: | |
| if: github.event.review.state == 'APPROVED' | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout code | |
| uses: actions/checkout@v4 | |
| - name: Check base branch | |
| run: | | |
| git fetch origin --prune | |
| CURRENT_BRANCH=${{ github.event.pull_request.head.ref }} | |
| TARGET_BRANCH="${{ github.event.pull_request.base.ref }}" | |
| COMMON_ANCESTOR=$(git merge-base origin/$CURRENT_BRANCH origin/$TARGET_BRANCH) | |
| COMMITS_BEHIND=$(git rev-list --count origin/$TARGET_BRANCH ^$COMMON_ANCESTOR) | |
| if [ "$COMMITS_BEHIND" -eq 0 ]; then | |
| echo "Your branch is up-to-date with the target branch." | |
| elif [ "$COMMITS_BEHIND" -eq 1 ]; then | |
| echo "Your branch is 1 commit behind the target branch." | |
| exit 1 | |
| else | |
| echo "Your branch is $COMMITS_BEHIND commits behind the target branch." | |
| exit 1 | |
| fi |