check-commit-format.yml

# following the contribution guide this check enforces the commit format
# [JIRA-TICKET] | [TYPE]: <MESSAGE>
name: 'Validate Commit Messages'
on:
  pull_request:
    branches:
      - main

jobs:
  parse-commit-messages:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Code
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
          ref: ${{ github.event.pull_request.head.ref }}
          repository: ${{ github.event.pull_request.head.repo.full_name }}
      - name: Validate Commit Message(s)
        env:
          BASE_SHA: ${{ github.event.pull_request.base.sha }}
          HEAD_SHA: ${{ github.event.pull_request.head.sha }}
        run: |
          IFS=$'\n' commit_messages=($(git log --pretty=format:"%s" $BASE_SHA...$HEAD_SHA))          
          
          for message in "${commit_messages[@]}"
          do
          echo "validating $message"
          if ! echo "$message" | grep -qE "^[A-Z]+-[0-9]+ \| (feat|fix|docs|style|refactor|test|chore|build|ci|perf): .*$"; then
            echo "Invalid commit message format. Expected format: JIRA_TICKET | TYPE: MESSAGE"
            echo "Where:"
            echo "   JIRA_TICKET is jira ticket ID (for example OCM-xxx)"
            echo "   TYPE must be one of the options (case sensitive):"
            echo "        feat, fix, docs, style, refactor, test, chore, build, ci, perf"
            exit 1
          fi
          done