linux-ci.yml

name: Linux CI

env:
  # NOTE: This version must match between all .yml files in the
  # .github/workflows directory
  TOX_VERSION: 4.0.9

on:
  # Triggers the workflow on push or pull request events but only for the main branch
  push:
    branches: [python]
  pull_request:
    branches: [python]

jobs:
  shellcheck:
    name: Shellcheck
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Run ShellCheck
        uses: ludeeus/action-shellcheck@master
  tox:
    runs-on: ubuntu-22.04
    env:
      # This is a regex:
      # https://github.com/tox-dev/tox/pull/990/files#diff-bfeb43314e311bd2d19d2b1ea565841101c8468f0df8cd3f86b4f199f06c0766
      #
      # We skip shellcheck because we already run it in its own job ^, which
      # feels simpler than having to install shellcheck manually in here.
      TOX_SKIP_ENV: shellcheck
    steps:
      - name: Check out repository code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0 # For getting tags from the repo
      - name: Cache .tox directory
        uses: actions/cache@v3
        with:
          path: .tox
          key: ${{ runner.os }}-${{ hashFiles('tox.ini') }}
      - name: Create a virtualenv
        run: |
          python3 -m venv env
      - name: Install tox in our virtualenv
        run: |
          . ./env/bin/activate
          pip install tox==${{ env.TOX_VERSION }}
      - name: Run tox in our virtualenv
        run: |
          . ./env/bin/activate
          tox