clang-tidy.yml

name: Clang-tidy

on:
  push:
      branches:
        - master
  pull_request:
      branches:
        - master
        - devel
      types:
        - opened
        - reopened
        - synchronize
        - ready_for_review
      paths-ignore:
      - 'applications/**'
      - 'contrib/**'
      - 'doc/**'
      - 'automatic_test/**'
      - 'tests/**'


concurrency:
  group: ${{ github.event_name }}-${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: ${{ github.event_name == 'pull_request'}}

jobs:
    clang-tidy:
      runs-on: [ubuntu-22.04]

      container:
        image: dealii/dealii:v9.6.0-jammy
        options: --user root

      steps:
        - name: Checkout repo
          uses: actions/checkout@v4
          with:
            fetch-depth: 30

        - name: Cache llvm-18 installation
          uses: actions/cache@v3
          with:
            path: /usr/lib/llvm-18
            key: ${{ runner.os }}-llvm-18
            restore-keys: |
              ${{ runner.os }}-llvm

        - name: Install llvm-18
          if: steps.cache.outputs.cache-hit != 'true'
          run: |
            wget https://apt.llvm.org/llvm.sh
            chmod +x llvm.sh
            ./llvm.sh 18 all

        - name: Set up path for llvm-18
          run: |
            echo "/usr/lib/llvm-18/bin" >> "$GITHUB_PATH"

        - name: Run clang-tidy
          run: |
            ./contrib/utilities/clang_tidy.sh .