commitlint.yml

name: Commit messages

on:
  pull_request:
    branches: [main]

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  lint:
    name: Lint commit messages
    runs-on: ubuntu-latest
    # Dependabot's bodies include release-notes excerpts and YAML metadata that
    # routinely exceed `body-max-line-length`. We trust those bumps already —
    # skip the check for bot PRs to avoid noisy failures.
    if: github.actor != 'dependabot[bot]'
    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          # Need full history so commitlint can diff against the base branch.
          fetch-depth: 0

      - name: Setup pnpm
        uses: pnpm/action-setup@v6

      - name: Setup Node
        uses: actions/setup-node@v6
        with:
          node-version-file: .nvmrc
          cache: pnpm

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Lint commits in this PR
        run: pnpm exec commitlint --from origin/${{ github.base_ref }} --to HEAD --verbose