lint.yml

name: Lint

on:
  pull_request:
    branches: [ main ]

jobs:
  pre-commit:
    name: Pre-commit
    runs-on: ubuntu-20.04
    steps:
      - name: Install pre-commit's dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -q -y --no-install-recommends git python3-pip clang-format-11 cppcheck libxml2-utils wget
          pip3 install pre-commit cpplint
          sudo wget -O /bin/hadolint https://github.com/hadolint/hadolint/releases/download/v2.8.0/hadolint-Linux-x86_64
          sudo chmod +x /bin/hadolint

      - name: Fetch the package's repository
        uses: actions/checkout@v4
        # NOTE: This has to be done after installing pre-commit, s.t. the
        #       pre-commit hooks are automatically initialized.

      - name: Get python version for pre-commit cache
        run: echo "PRE_COMMIT_PYTHON_VERSION=$(python -VV | sha256sum | cut -d' ' -f1)" >> $GITHUB_ENV

      - name: Setup pre-commit cache sharing
        uses: actions/cache@v4
        with:
          path: ~/.cache/pre-commit
          key: pre-commit|${{ env.PRE_COMMIT_PYTHON_VERSION }}|${{ hashFiles('.pre-commit-config.yaml') }}

      - name: Run the pre-commit hooks
        shell: bash
        run: |
          echo "::add-matcher::./.github/problem-matchers/pre-commit.json"
          PRE_COMMIT_HOME=~/.cache/pre-commit SKIP=no-commit-to-branch pre-commit run --all-files
          echo "::remove-matcher owner=problem-matcher-pre-commit::"