validate-commit.yml

name: Validate Commit Messages

on:
  pull_request:
    branches:
      - '**'

jobs:
  validate-commit-messages:
    runs-on: ubuntu-22.04
    steps:
      - name: Checkout code
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
          ref: ${{ github.event.pull_request.head.sha }}
      - name: Validate commit messages
        run: |
          commit_msg=$(git show -s --format=%s)
          commit_regex='^\[#(noissue|[0-9]+?)\].*'
          error_msg="Commit message does not follow the Conventional Commits format:
              [#issue-number] messge
              
              Examples:
                  [#1001] Refactor servermap
                  [#noissue] Update README.md"

          if ! echo "${commit_msg}" | grep -Eq "$commit_regex"; then
            echo "$error_msg"
            echo "Invalid commit message: \"${commit_msg}\""
            exit 1
          fi