build.yml

# NB: this name is used in the status badge
name: build

on:
  push:
    branches:
      - master
  pull_request:
    branches:
      - master
  workflow_dispatch:
  schedule:
    - cron: "0 5 * * 6"  # 5:00 UTC every Saturday

jobs:
  build:
    name: Python ${{ matrix.python-version }}, ${{ matrix.vcs }}
    runs-on: ubuntu-latest

    strategy:
      fail-fast: true
      matrix:
        python-version:
          - "3.7"
          - "3.8"
          - "3.9"
          - "3.10"
          - "3.11"
          - "pypy-3.7"
        vcs:
          - bzr
          - git
          - hg
          - svn

    steps:
      - name: Install OS-level dependencies
        run: sudo apt-get install -y bzr git mercurial subversion
        # NB: at some point I'll want to switch from legacy Bazaar (apt package
        # bzr) to Breezy (apt package brz).  They're both available in
        # ubuntu-18.04 and ubuntu20.04.

      - name: Git clone
        uses: actions/checkout@v3

      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v3
        with:
          python-version: "${{ matrix.python-version }}"

      - name: Pip cache
        uses: actions/cache@v3
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-pip-${{ matrix.python-version }}-${{ hashFiles('setup.py') }}
          restore-keys: |
            ${{ runner.os }}-pip-${{ matrix.python-version }}-
            ${{ runner.os }}-pip-

      - name: Install Python dependencies
        run: |
          python -m pip install -U pip
          python -m pip install -U setuptools wheel
          python -m pip install -U coverage coveralls pytest flake8
          python -m pip install -e .[test]

      - name: Run tests
        run: coverage run -m pytest
        env:
          SKIP_NO_TESTS: "1"
          FORCE_TEST_VCS: ${{ matrix.vcs }}

      - name: Check test coverage
        run: coverage report -m --fail-under=${{ matrix.vcs == 'bzr' && 99 || 100 }}

      - name: Run check-manifest on itself
        run: python check_manifest.py

      - name: Report to coveralls
        run: coveralls
        continue-on-error: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          COVERALLS_SERVICE_NAME: github

  lint:
    name: ${{ matrix.toxenv }}
    runs-on: ubuntu-latest

    strategy:
      matrix:
        toxenv:
          - flake8
          - mypy
          - isort
          - check-manifest
          - check-python-versions

    steps:
      - name: Git clone
        uses: actions/checkout@v3

      - name: Set up Python ${{ env.default_python || '3.9' }}
        uses: actions/setup-python@v3
        with:
          python-version: "${{ env.default_python || '3.9' }}"

      - name: Pip cache
        uses: actions/cache@v3
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-pip-${{ matrix.toxenv }}-${{ hashFiles('tox.ini', 'setup.py') }}
          restore-keys: |
            ${{ runner.os }}-pip-${{ matrix.toxenv }}-
            ${{ runner.os }}-pip-

      - name: Install dependencies
        run: |
          python -m pip install -U pip
          python -m pip install -U setuptools wheel
          python -m pip install -U tox

      - name: Run ${{ matrix.toxenv }}
        run: python -m tox -e ${{ matrix.toxenv }}