name: Code formatting

# see: https://help.github.com/en/actions/reference/events-that-trigger-workflows
on:  # Trigger the workflow on push or pull request, but only for the main branch
  push:
    branches: [main]
  pull_request: {}

defaults:
  run:
    shell: bash

jobs:

  pre-commit-check:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-python@v4
      - name: Set $PY environment variable
        run: echo "PY=$(python -VV | sha256sum | cut -d' ' -f1)" >> $GITHUB_ENV
      - uses: actions/cache@v3
        with:
          path: ~/.cache/pre-commit
          key: pre-commit|${{ env.PY }}|${{ hashFiles('.pre-commit-config.yaml') }}
      - uses: pre-commit/action@v3.0.0