pre_commit_checks.yml

name: Pre-commit Checks

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - "**"

jobs:
  pre_commit:
    runs-on: ubuntu-latest
    env:
      # Set the Python version that `uv` will use for its virtual environment.
      UV_PYTHON: 3.13
    steps:
      - uses: actions/checkout@v4
      - name: Set up base Python
        uses: actions/setup-python@v5
        with:
          # Note that this is just the version of Python that we use to run `uv` with.
          # `uv` manages its own version of Python.
          # For speed, we use the same version for both, but in principle these could differ.
          python-version: ${{ env.UV_PYTHON }}
      - name: Set up cache directories
        run: |
          echo "UV_CACHE_DIR=${{ runner.temp }}/.uv-cache" >> $GITHUB_ENV
          echo "PRE_COMMIT_HOME=${{ runner.temp }}/.pre-commit" >> $GITHUB_ENV
      - name: Restore uv cache
        uses: actions/cache@v4
        with:
          path: ${{ env.UV_CACHE_DIR }}
          key: uv-${{ runner.os }}-${{ hashFiles('uv.lock') }}-${{ env.UV_PYTHON }}-dev
          restore-keys: |
            uv-${{ runner.os }}-${{ hashFiles('uv.lock') }}-${{ env.UV_PYTHON }}
            uv-${{ runner.os }}-${{ hashFiles('uv.lock') }}
            uv-${{ runner.os }}
      - name: Restore pre-commit cache
        uses: actions/cache@v4
        with:
          path: ${{ env.PRE_COMMIT_HOME }}
          key: pre_commit-${{ runner.os }}-${{ hashFiles('.pre-commit-config.yaml') }}
          restore-keys: |
            pre_commit-${{ runner.os }}
      - name: Upgrade Pip
        run: python -m pip install --upgrade pip
      - name: Install uv
        run: pip install uv
      - name: Install latest dependencies
        run: uv sync --dev --locked
      - name: Debug - uv pip freeze
        run: uv pip freeze
      - name: Remove fail_fast from Pre-commit config
        run: sed -e "/fail_fast/d" .pre-commit-config.yaml > /tmp/.pre-commit-config-ci.yaml
      - name: Run Pre-commit checks
        run: SKIP=no-commit-to-branch uv run pre-commit run --all-files --show-diff-on-failure --config /tmp/.pre-commit-config-ci.yaml
      - name: Minimize UV cache
        run: uv cache prune --ci
        if: always()