ci.yml

name: Tests and Checks

# Only run CI on pushes to main and pull requests
# We don't run CI on other branches, but those should be merged into main via a PR anyways which will trigger CI before the merge.
on:
  push:
    branches:
    - main
  pull_request:
    branches:
    - main

concurrency:
  group: ci-${{ github.ref }}-1
  cancel-in-progress: true

jobs:
  tests:
    runs-on: "ubuntu-latest"
    strategy:
      matrix:
        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", pypy-3.9]
        os: ["macos-latest", "ubuntu-latest", "windows-latest"]
    steps:
      - uses: actions/checkout@v3.3.0
        with:
          ref: ${{ github.event.pull_request.head.sha }} # Checkout pull request HEAD commit instead of merge commit
          fetch-depth: 0 # checkout all history, needed for hatch versioning

      - name: Setup python
        uses: actions/setup-python@v4.7.0
        with:
          python-version: ${{ matrix.python-version }}

      - name: Install Hatch
        run: python -m pip install hatch==1.7.0

      - name: Unit Tests
        run: hatch run test:unit-tests

      - name: Code formatting (black)
        run: hatch run test:format
      
      - name: Code linting (ruff)
        run: hatch run test:lint

      - name: Static type checking (mypy)
        run: hatch run test:type-check

      - name: Install local gitlint for integration tests
        run: hatch run qa:install-local

      - name: Integration tests
        run: hatch run qa:integration-tests
        if: matrix.os != 'windows-latest'

      - name: Integration tests (GITLINT_QA_USE_SH_LIB=0)
        run: hatch run qa:integration-tests -k "not(test_commit_hook_continue or test_commit_hook_abort or test_commit_hook_edit)" qa
        env:
          GITLINT_QA_USE_SH_LIB: 0
        if: matrix.os != 'windows-latest'

      - name: Integration tests (Windows)
        run: |
          hatch run qa:integration-tests -k "not (test_commit_hook_continue or test_commit_hook_abort or test_commit_hook_edit or test_lint_staged_stdin or test_stdin_file or test_stdin_pipe_empty)" qa
        if: matrix.os == 'windows-latest'

      # Run gitlint. Skip during PR runs, since PR commit messages are transient and usually full of gitlint violations.
      # PRs get squashed and get a proper commit message during merge.
      - name: gitlint --debug
        run: hatch run dev:gitlint --debug
        continue-on-error: ${{ github.event_name	== 'pull_request' }} # Don't enforce gitlint in PRs

      - name: Code Coverage (coveralls)
        uses: coverallsapp/github-action@master
        with:
          path-to-lcov: ".coverage.lcov"
          github-token: ${{ secrets.GITHUB_TOKEN }}
          git-commit: ${{ github.event.pull_request.head.sha }}
          flag-name: gitlint-${{ matrix.os }}-${{ matrix.python-version }}
          parallel: true

  build-test:
    runs-on: "ubuntu-latest"
    strategy:
      matrix:
        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", pypy-3.9]
        os: ["macos-latest", "ubuntu-latest", "windows-latest"]
    steps:
        - uses: actions/checkout@v3.3.0
          with:
            ref: ${{ github.event.pull_request.head.sha }} # Checkout pull request HEAD commit instead of merge commit
            fetch-depth: 0 # checkout all history, needed for hatch versioning
            
        - name: Install pypa/build
          run: python -m pip install build==0.10.0

        - name: Build test (gitlint)
          run: python -m build

        - name: Upload sdist tarball (gitlint)
          uses: actions/upload-artifact@v3
          with:
            name: sdist-gitlint-${{ matrix.python-version }}
            path: dist/*.tar.gz
          if: matrix.os == 'ubuntu-latest'

        - name: Build test (gitlint-core)
          run: python -m build
          working-directory: ./gitlint-core
  
        - name: Upload sdist tarball (gitlint-core)
          uses: actions/upload-artifact@v3
          with:
            name: sdist-gitlint-core-${{ matrix.python-version }}
            path: ./gitlint-core/dist/*.tar.gz
          if: matrix.os == 'ubuntu-latest'
  
  sdist-build-smoke-test:
    # Ensure we can re-build gitlint from its sdist tarball (and that gitlint works after that)
    # This is important for downstream packages (e.g. debian, homebrew, etc)
    needs: build-test
    runs-on: "ubuntu-latest"
    strategy:
      matrix:
        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", pypy-3.9]
    steps:
      - name: Setup python ${{ matrix.python-version }}
        uses: actions/setup-python@v4.7.0
        with:
          python-version: ${{ matrix.python-version }}

      - name: Download sdist artifact (gitlint)
        uses: actions/download-artifact@v3
        with:
          name: sdist-gitlint-${{ matrix.python-version }}
          path: gitlint

      - name: Download sdist artifact (gitlint-core)
        uses: actions/download-artifact@v3
        with:
          name: sdist-gitlint-core-${{ matrix.python-version }}
          path: gitlint-core

      - name: Extract sdist tarball (gitlint)
        run: tar xzvf *.tar.gz --strip-components=1
        working-directory: ./gitlint

      - name: Extract sdist tarball (gitlint-core)
        run: tar xzvf *.tar.gz --strip-components=1
        working-directory: ./gitlint-core
      
      - name: Install pypa/build
        run: python -m pip install build==0.10.0

      - name: Build test (gitlint)
        run: python -m build
        working-directory: ./gitlint

      - name: Build test (gitlint-core)
        run: python -m build
        working-directory: ./gitlint-core

      - name: Install from wheel (gitlint and gitlint-core)
        run: python -m pip install gitlint-core/dist/*.whl gitlint/dist/*.whl

      # Make sure gitlint works
      - name: gitlint --version
        run: gitlint --version

  doc-checks:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3.3.0
        with:
          ref: ${{ github.event.pull_request.head.sha }} # Checkout pull request HEAD commit instead of merge commit

      - name: Setup python
        uses: actions/setup-python@v4.7.0
        with:
          python-version: 3.11

      - name: Install Hatch
        run: python -m pip install hatch==1.7.0

      - name: Docs validation (mkdocs build & linkchecker)
        run: hatch run docs:validate
  
  upload-coveralls:
    needs: tests
    runs-on: ubuntu-latest
    steps:
      - name: Upload coverage to coveralls
        uses: coverallsapp/github-action@master
        with:
          path-to-lcov: ".coverage.lcov"
          github-token: ${{ secrets.GITHUB_TOKEN }}
          parallel-finished: true
  
  check:  # This job does nothing and is only used for the branch protection
    if: always()  # Ref: https://github.com/marketplace/actions/alls-green#why

    needs:
      - tests
      - build-test
      - sdist-build-smoke-test
      - doc-checks
      - upload-coveralls

    runs-on: ubuntu-latest

    steps:
      - name: Decide whether the needed jobs succeeded or failed
        uses: re-actors/alls-green@release/v1
        with:
          jobs: ${{ toJSON(needs) }}

  # When on main, auto publish dev build
  auto-publish-dev:
    needs:
      - check

    if: github.ref == 'refs/heads/main'
    uses: ./.github/workflows/publish-release.yml
    secrets: inherit # pass all secrets (required to access secrets in a called workflow)
    with:
      environment: "production"
      repo_release_ref: "main"
      docker_image_tag: "latest_dev"

  # When on main, auto publish docs
  auto-publish-docs:
    needs:
      - check

    if: github.ref == 'refs/heads/main'
    uses: ./.github/workflows/publish-docs.yml
    secrets: inherit # pass all secrets (required to access secrets in a called workflow)
    with:
      docs_version: "dev"

  # After merging a PR, leave a comment on the PR with a link to the new dev build
  notify:
    needs:
      - auto-publish-dev
    if: github.ref == 'refs/heads/main'
    runs-on: "ubuntu-latest"
    steps:
      # Checkout code in order to determine PR number
      - uses: actions/checkout@v3.3.0
        with:
          fetch-depth: 0

      - name: Get PR number
        run: |
          commit_sha=$(git rev-parse HEAD)
          pr_number=$(curl -s -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
            "https://api.github.com/repos/jorisroovers/gitlint/commits/$commit_sha/pulls" | jq -r '.[0].number')
          echo "PR_NUMBER=$pr_number" >> $GITHUB_ENV
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - uses: actions/github-script@v6
        with:
          script: |
            const body = `Build \
            [${{ needs.auto-publish-dev.outputs.gitlint_version }}](https://pypi.org/project/gitlint/${{ needs.auto-publish-dev.outputs.gitlint_version }}) \
            is now available on PyPI!

            Install using:
            \`\`\`sh
            pip install gitlint==${{ needs.auto-publish-dev.outputs.gitlint_version }}
            \`\`\`
            `;
            github.rest.issues.createComment({
              issue_number: process.env.PR_NUMBER,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: body
            });
        # Don't run this step if there is no PR number, i.e. on a direct push to main
        if: ${{ env.PR_NUMBER != '' }}