commit-lint.yml

name: Lint Commit Messages

on:
  pull_request:
    types: [opened, edited, reopened, synchronize]

permissions:
  contents: read
  pull-requests: read

jobs:
  commitlint:
    name: Lint Commit Messages
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0  # Fetch all history for all branches and tags

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Install commitlint
        run: |
          npm install --save-dev @commitlint/cli@18.4.3 @commitlint/config-conventional@18.4.3

      - name: Validate PR commits
        run: |
          # Get the base branch (usually main)
          BASE_SHA=$(git merge-base origin/${{ github.base_ref }} HEAD)

          # Lint all commits in the PR
          npx commitlint --from $BASE_SHA --to HEAD --verbose