name: Checkout
description: Checkout the source code. For pull requests it checks out the merged code.
runs:
  using: composite
  steps:
    - name: clear .git from previous checkout
      shell: bash
      run: rm -r .git

    - name: Checkout normal
      uses: actions/checkout@v4
      if: github.event_name != 'pull_request_target'
      with:
        fetch-depth: 0
        lfs: true

    - name: Checkout merged PR
      uses: actions/checkout@v4
      if: github.event_name == 'pull_request_target'
      with:
        ref: refs/pull/${{ github.event.number }}/merge
        fetch-depth: 0
        lfs: true

    - name: Get changed files in the .github folder
      if: github.event_name == 'pull_request_target'
      id: changedWorkflowFiles
      uses: tj-actions/changed-files@v42
      with:
        files: |
          .github/**

    - name: Fail if any workflow file is changed
      if: |
        github.event_name == 'pull_request_target' &&
        steps.changedWorkflowFiles.outputs.any_changed == 'true' &&
        github.event.pull_request.user.login != 'JoC0de' &&
        github.event.pull_request.user.login != 'igor84'
      shell: bash
      run: |
        echo "One or more files in the .github folder were changed by ${{ github.event.pull_request.user.login }}."
        echo "List all the files that have changed: ${{ steps.changedWorkflowFiles.outputs.all_changed_files }}"
        exit 1