Shared Commit Lint

name: Shared - Commit Lint

on:
  workflow_call:
    inputs:
      runner:
        description: 'Runner type'
        required: false
        type: string
        default: 'ubuntu-latest'

jobs:
  commitlint:
    name: Lint Commit Messages
    runs-on: ${{ inputs.runner }}
    steps:
      - name: Checkout
        uses: actions/checkout@v5
        with:
          fetch-depth: 0

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

      - name: Validate PR commits
        if: github.event_name == 'pull_request'
        run: npx commitlint --from ${{ github.event.pull_request.base.sha }} --to ${{ github.event.pull_request.head.sha }} --verbose

      - name: Validate last commit
        if: github.event_name != 'pull_request'
        run: npx commitlint --from HEAD~1 --to HEAD --verbose