name: Code check

on:
  push:
    branches: [master, "release/*"]
  pull_request:
    branches: [master, "release/*"]
    paths:
      - ".actions/**"
      - ".github/workflows/code-checks.yml"
      - "requirements/**"
      - "src/**"
      - "pyproject.toml"   # includes mypy config
      - "!requirements/docs.txt"
      - "!requirements/*/docs.txt"
      - "!*.md"
      - "!**/*.md"

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.head_ref }}
  cancel-in-progress: ${{ ! (github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/heads/release/')) }}

defaults:
  run:
    shell: bash

jobs:

  mypy:
    runs-on: ubuntu-20.04
    steps:
    - uses: actions/checkout@v3
    - uses: actions/setup-python@v4
      with:
        python-version: '3.10.6'

    - name: Mypy cache
      uses: actions/cache@v3
      with:
        path: .mypy_cache
        key: mypy-${{ hashFiles('requirements/typing.txt') }}

    - name: Install dependencies
      env:
        FREEZE_REQUIREMENTS: 1
      run: |
        pip install -e '.[all]' -r requirements/typing.txt
        pip list

    - name: Check typing
      run: mypy