verify_library_generation.yaml

on:
  pull_request:

name: verify_library_generation
jobs:
  should-run-library-generation-tests:
    runs-on: ubuntu-22.04
    outputs:
      should_run: ${{ steps.get_changed_directories.outputs.should_run }}
    steps:
    - uses: actions/checkout@v4
      with:
        fetch-depth: 0
    - name: get changed directories in the pull request
      id: get_changed_directories
      shell: bash
      run: |
        set -ex
        # PRs that come from a fork need to be handled differently
        if [[ ${head_repo_name} == ${base_repo} ]]; then
          git checkout ${base_ref}
          git checkout ${head_ref}
          changed_directories="$(git diff --name-only ${base_ref} ${head_ref})"
        else
          git remote add fork ${head_repo_url}
          git fetch fork # create a mapping of the fork
          git checkout -b "${head_ref}" fork/${head_ref}
          changed_directories="$(git diff --name-only "fork/${head_ref}" "origin/${base_ref}")"
        fi
        if [[ ${changed_directories} =~ "hermetic_build/" ]] || [[ ${changed_directories} =~ ".cloudbuild/library_generation/" ]]; then
          echo "should_run=true" >> $GITHUB_OUTPUT
        else
          echo "should_run=false" >> $GITHUB_OUTPUT
        fi
      env:
        base_ref: ${{ github.event.pull_request.base.ref }}
        head_ref: ${{ github.event.pull_request.head.ref }}
        head_repo_url: ${{ github.event.pull_request.head.repo.html_url }}
        head_repo_name: ${{ github.event.pull_request.head.repo.full_name  }}
        base_repo: ${{ github.repository }}
  library-generation-integration-tests:
    runs-on: ubuntu-22.04
    needs: should-run-library-generation-tests
    if: needs.should-run-library-generation-tests.outputs.should_run == 'true'
    steps:
    - uses: actions/checkout@v4
    - uses: actions/setup-python@v5
      with:
        python-version: 3.12
    - name: install python modules and dependencies
      shell: bash
      run: |
        set -ex
        pip install --upgrade pip
        pip install --require-hashes -r hermetic_build/common/requirements.txt
        pip install hermetic_build/common
        pip install --require-hashes -r hermetic_build/library_generation/requirements.txt
        pip install hermetic_build/library_generation
    - name: Run integration tests
      shell: bash
      run: |
        set -x
        python -m unittest hermetic_build/library_generation/tests/integration_tests.py
  library-generation-unit-tests:
    runs-on: ubuntu-22.04
    needs: should-run-library-generation-tests
    if: needs.should-run-library-generation-tests.outputs.should_run == 'true'
    steps:
    - uses: actions/checkout@v4
    - uses: actions/setup-python@v5
      with:
        python-version: 3.12
    - name: install python modules and dependencies
      shell: bash
      run: |
        set -ex
        pip install --upgrade pip
        pip install --require-hashes -r hermetic_build/common/requirements.txt
        pip install hermetic_build/common
        pip install --require-hashes -r hermetic_build/library_generation/requirements.txt
        pip install hermetic_build/library_generation
        pip install --require-hashes -r hermetic_build/release_note_generation/requirements.txt
        pip install hermetic_build/release_note_generation
    - name: Run shell unit tests
      run: |
        set -x
        hermetic_build/library_generation/tests/generate_library_unit_tests.sh
    - name: Run python unit tests
      run: |
        set -x
        python -m unittest discover -s hermetic_build -p "*unit_tests.py"
  library-generation-lint-shell:
    runs-on: ubuntu-22.04
    needs: should-run-library-generation-tests
    if: needs.should-run-library-generation-tests.outputs.should_run == 'true'
    steps:
    - uses: actions/checkout@v4
    - name: Run ShellCheck
      uses: ludeeus/action-shellcheck@2.0.0
      with:
        scandir: 'hermetic_build'
        format: tty
        severity: error
  library-generation-lint-python:
    runs-on: ubuntu-22.04
    needs: should-run-library-generation-tests
    if: needs.should-run-library-generation-tests.outputs.should_run == 'true'
    steps:
    - uses: actions/checkout@v4
    - uses: actions/setup-python@v5
      with:
        python-version: 3.12
    - name: install python dependencies
      shell: bash
      run: |
        set -ex
        pip install --upgrade pip
        pip install --require-hashes -r hermetic_build/common/requirements.txt
        pip install hermetic_build/common
        pip install --require-hashes -r hermetic_build/library_generation/requirements.txt
        pip install hermetic_build/library_generation
        pip install --require-hashes -r hermetic_build/release_note_generation/requirements.txt
        pip install hermetic_build/release_note_generation
    - name: Lint
      shell: bash
      run: |
        # exclude generated golden files
        # exclude owlbot until further refaction
        black --check hermetic_build --exclude "(library_generation/tests/resources/goldens)"