pre-commit.yml

name: pre-commit

on:
  push:
  workflow_dispatch:

jobs:
  linting:
    name: run
    runs-on: ubuntu-latest
    env:
        # gcc and clang are the latest supported by the CI runner,
        # ubuntu 22.04 at the time of writing
        gcc-version: 12  # = 12.1.0
        clang-version: 14  # = 14.0.0
        # cuda version to install with separate action
        cuda-version: "12.1.0"
    steps:

      - name: Show git version
        run: |
          which git
          git --version

      - name: Check out a copy of the repository
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Show some relevant env vars
        run: |
          echo "GITHUB_BASE_REF = $GITHUB_BASE_REF"
          echo "GITHUB_HEAD_REF = $GITHUB_HEAD_REF"
          echo "GITHUB_REF_NAME = $GITHUB_REF_NAME"

      - name: Set the target and source refs if the trigger was a pull request
        if: ${{ github.event_name == 'pull_request' }}
        run: |
          echo "precommit_from_ref=$GITHUB_BASE_REF" >> $GITHUB_ENV
          echo "precommit_to_ref=$GITHUB_HEAD_REF" >> $GITHUB_ENV

      - name: Set the target and source refs if the trigger was not a pull request
        if: ${{ github.event_name != 'pull_request' }}
        run: |
          echo "precommit_from_ref=main" >> $GITHUB_ENV
          echo "precommit_to_ref=$GITHUB_REF_NAME" >> $GITHUB_ENV

      - name: Avoid problems with missing refs later
        run: |
          git checkout ${{ env.precommit_from_ref }}
          git checkout ${{ env.precommit_to_ref }}

      - name: Install cuda
        uses: Jimver/cuda-toolkit@v0.2
        with:
          cuda: ${{ env.cuda-version }}

      - name: Generate compilation database
        shell: bash -el {0}
        run: |
          cmake -DCMAKE_CXX_COMPILER=g++-${{ env.gcc-version }} -DCUDAWRAPPERS_BUILD_TESTING=True -DCUDAWRAPPERS_BUILD_EXAMPLES=True -S . -B build

      - name: Run pre-commit on all files changed in this branch using project standard configuration
        shell: bash -el {0}
        run: |
          git diff --name-only ${{ env.precommit_from_ref }}...${{ env.precommit_to_ref }}
          pre-commit run --from-ref ${{ env.precommit_from_ref }} --to-ref ${{ env.precommit_to_ref }}