chromebrew/.github/workflows/Handoff.yml

---
name: Handoff
on:
  pull_request:
    branches: [master]
jobs:
  handoff:
    runs-on: ubuntu-latest
    outputs:
      category: ${{ steps.changed-file-extensions.outputs.category }}
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0
      - name: Get changed files
        id: changed-files
        uses: tj-actions/changed-files@v36
      - name: Get extensions of changed files
        id: changed-file-extensions
        run: |
          category=
          for file in ${{ steps.changed-files.outputs.all_changed_files }}; do
            ext="${file##*.}"
            case $ext in
              md)
                category=Markdown;;
              rb)
                category=Ruby;;
              sh)
                category=Bash;;
              yml|yaml)
                category=YAML;;
              *)
                echo "Unable to check syntax of $file.";;
            esac
            # In order for files such as bin/crew to be recognised
            [[ "$(file -b $file | cut -d' ' -f1)" == "Ruby" ]] && category=Ruby
          done
          echo "category=$category" >> $GITHUB_OUTPUT
  # Github won't let us do this neatly, see https://github.com/orgs/community/discussions/25246
  markdown:
    needs: handoff
    if: ${{ needs.handoff.outputs.category == 'Markdown' }}
    uses: ./.github/workflows/Markdown-lint.yml
  ruby:
    needs: handoff
    if: ${{ needs.handoff.outputs.category == 'Ruby' }}
    uses: ./.github/workflows/Rubocop.yml
  bash:
    needs: handoff
    if: ${{ needs.handoff.outputs.category == 'Bash' }}
    uses: ./.github/workflows/ShellCheck.yml
  yaml:
    needs: handoff
    if: ${{ needs.handoff.outputs.category == 'YAML' }}
    uses: ./.github/workflows/YAMLlint.yml