action.yml

name: "clang-format Check"
description: "Use clang-format to see if your C/C++/Protobuf code is formatted according to project guidelines."

branding:
  icon: "check-circle"
  color: "blue"

inputs:
  clang-format-version:
    description: 'The major version of clang-format that you want to use.'
    required: false
    default: '13'
  check-path:
    description: 'The path to the directory you want to check for correct C/C++/Protobuf formatting. Default is the full repository.'
    required: false
    default: '.'
  exclude-regex:
    description: 'A regex to exclude files or directories that should not be checked. Default is empty.'
    required: false
    default: ''
  fallback-style:
    description: 'The fallback style for clang-format if no .clang-format file exists in your repository.'
    required: false
    default: 'llvm'
  include-regex:
    description: 'A regex to override the C/C++/Protobuf/CUDA filetype regex. that should be checked. Default results in the regex defined in `check.sh`.'
    required: false
    default: ''

runs:
  using: "composite"
  steps:
    - run: |
        "${{ github.action_path }}/check.sh" "${{ inputs.clang-format-version }}" "${{ inputs.check-path }}" "${{ inputs.fallback-style }}" "${{ inputs.exclude-regex }}" "${{ inputs.include-regex }}"
      shell: bash
    - name: Save PR head commit SHA
      if: failure() && github.event_name == 'pull_request'
      shell: bash
      run: |
        SHA="${{ github.event.pull_request.head.sha }}"
        echo "SHA=$SHA" >> $GITHUB_ENV
    - name: Save latest commit SHA if not PR
      if: failure() && github.event_name != 'pull_request'
      shell: bash
      run: echo "SHA=${{ github.sha }}" >> $GITHUB_ENV

    - name: Report failure in job summary
      if: failure()
      run: |
        DEEPLINK="${{ github.server_url }}/${{ github.repository }}/commit/${{ env.SHA }}"
        echo -e "Format check failed on commit [${GITHUB_SHA:0:8}]($DEEPLINK) with files:\n$(<$GITHUB_WORKSPACE/failing-files.txt)" >> $GITHUB_STEP_SUMMARY
      shell: bash