clang-format-compliance.yml

name: clang-format compliance

on:
  push:
  pull_request:
  workflow_dispatch:

jobs:
  clang_format_check:
    runs-on: ubuntu-latest
    steps:
      # - run: sudo apt-get -yqq update && sudo apt-get -yqq install --no-install-recommends gnupg2 software-properties-common wget 
      # - run: wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
      # - run: sudo add-apt-repository 'deb http://apt.llvm.org/focal/ llvm-toolchain-focal-17 main'
      # - run: sudo apt-get -yqq update && sudo apt-get -yqq install clang-format-17
      - name: Checkout Spack
        uses: actions/checkout@v4
        with:
          repository: spack/spack
          ref: v0.21.0

      - name: Setup Spack
        run: echo "$PWD/spack/bin" >> "$GITHUB_PATH"

      - name: Setup Spack Binary Cache
        run: spack mirror add --oci-username ${{ github.actor }} --oci-password ${{ secrets.OCI_TOKEN }} sundials_spack_cache oci://ghcr.io/LLNL/sundials_spack_cache    
      
      - name: Spack install llvm@17.0.4
        run: spack install llvm@17.0.4 && spack buildache push sundials_spack_cache llvm   
      
      - name: Check out repository code
        uses: actions/checkout@v4
      
      - name: Run checker on code
        run: find ${{ github.workspace }} -name fmod -prune -iname *.h -o -iname *.hpp -o -iname *.c -o -iname *.cpp -o -iname *.cuh -o -iname *.cu | xargs clang-format -i
      
      - name: Run git diff to see if anything changed
        run: git diff --name-only --exit-code
      
      - name: Run git diff if we failed
        if: failure()
        run: git diff > diff
      
      - name: Archive diff if we failed
        uses: actions/upload-artifact@v3
        if: failure()
        with:
          name: diff
          path: |
            ${{ github.workspace }}/diff