commitlint.yml

name: Commit Message Lint

on:
  pull_request:
    branches: [ develop ]
  push:
    branches: [ main, develop ]

jobs:
  commitlint:
    name: Commit Message Lint
    runs-on: ubuntu-latest

    steps:
    - name: Checkout code
      uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Setup Bun
      uses: oven-sh/setup-bun@v1
      with:
        bun-version: latest

    - name: Install dependencies
      run: bun install

    - name: Setup Husky
      run: bun run prepare

    - name: Validate current commit (last commit) with commitlint
      if: github.event_name == 'push'
      run: |
        # Lint the most recent commit message by piping it to commitlint via stdin
        git fetch --no-tags --depth=1 origin ${GITHUB_SHA} || true
        git log -1 --pretty=%B ${GITHUB_SHA} | npx --no-install commitlint --verbose

    - name: Validate PR commits with commitlint
      if: github.event_name == 'pull_request'
      run: |
        # Lint each commit in the PR by piping each commit message to commitlint
        FROM=${{ github.event.pull_request.base.sha }}
        TO=${{ github.event.pull_request.head.sha }}
        git fetch --no-tags --depth=1 origin $FROM $TO || true
        for c in $(git rev-list --no-merges $FROM..$TO); do
          git log -1 --pretty=%B $c | npx --no-install commitlint --verbose || exit $?
        done