name: Lint source code

on: [push, pull_request]

permissions:
  contents: read

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

env:
  FORCE_COLOR: "1"

jobs:
  ruff:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v3
    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: 3
    - name: Install pip
      run: python -m pip install --upgrade pip

    - name: Install known good Ruff
      run: python -m pip install ruff==0.0.261
    - name: Lint with known good Ruff
      run: ruff . --diff --format github

    - name: Install latest Ruff
      run: python -m pip install --upgrade ruff
    - name: Lint with Ruff
      continue-on-error: true
      run: ruff . --diff --format github

  flake8:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v3
    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: 3
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        python -m pip install --upgrade "flake8>=3.5.0" "flake8-simplify"
    - name: Lint with flake8
      run: flake8 .

  isort:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v3
    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: 3
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        python -m pip install --upgrade isort
    - name: Lint with isort
      run: isort --check-only --diff .

  mypy:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v3
    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: 3
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        python -m pip install --upgrade "mypy>=0.990" docutils-stubs types-requests
    - name: Type check with mypy
      run: mypy sphinx/

  docs-lint:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v3
    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: 3
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        python -m pip install --upgrade sphinx-lint
    - name: Lint documentation with sphinx-lint
      run: >
        sphinx-lint
        --enable line-too-long
        --max-line-length 85 
        CHANGES
        CONTRIBUTING.rst
        README.rst
        doc/

  twine:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v3
    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: 3
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        python -m pip install --upgrade twine build
    - name: Lint with twine
      run: |
        python -m build .
        twine check dist/*