check-commit-pr.yml

# This workflow checks commit messages using cocogitto's docker image.
# I decided to use a docker image rather than cocogitto's github action
# to keep things as portable as possible and to easily replicate the
# workflow locally.

name: Check commit messages and PR titles

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

jobs:
  check-commit-messages:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          ref: ${{ github.event.pull_request.head.sha }}
      - name: Pull cocogitto's docker image
        run: docker pull ghcr.io/cocogitto/cog:latest
      - name: Check commits using cocogitto
        run: docker run -t -v "$GITHUB_WORKSPACE":/app/ ghcr.io/cocogitto/cog:latest check
      - name: Check PR title using cocogitto
        if: github.event_name == 'pull_request'
        run: docker run -t ghcr.io/cocogitto/cog:latest verify "${{ github.event.pull_request.title }}"