pre_commit_checks.yml

name: Pre-commit checks

on:
  pull_request:
  push:
    branches:
      - develop
      - main

jobs:
  pre-commit:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.9'

      - name: Install Poetry
        run: |
          curl -sSL https://install.python-poetry.org | python3 -

      - name: Install dependencies
        run: |
          poetry install --with dev

      - name: Install pre-commit
        run: |
          poetry run pip install pre-commit

      # Fetch the base branch for pull request or push event
      - name: Set base branch
        id: base_branch
        run: |
          if [[ "${{ github.event_name }}" == "pull_request" ]]; then
            echo "Base branch is: ${{ github.event.pull_request.base.ref }}"
            echo "BASE_BRANCH=${{ github.event.pull_request.base.ref }}" >> $GITHUB_ENV
          elif [[ "${{ github.event_name }}" == "push" ]]; then
            # For push events, assume the current branch is the base (e.g., main or develop)
            echo "BASE_BRANCH=${GITHUB_REF#refs/heads/}" >> $GITHUB_ENV
            echo "Base branch is: ${GITHUB_REF#refs/heads/}"
          fi

      - name: Check out the base branch (if necessary)
        run: |
          git checkout $BASE_BRANCH || echo "Already on the base branch."

      - name: Fetch the base branch
        run: |
          git fetch origin $BASE_BRANCH

      - name: Run pre-commit on changed files
        run: |
          poetry run pre-commit run --from-ref origin/${BASE_BRANCH} --to-ref HEAD