yamllint.yml

# yamllint disable rule:line-length rule:document-start rule:truthy
name: PR yamllint check
on: pull_request

# This action only need a single permission in order to autoformat the code.
permissions:
  contents: read

jobs:
  rebase:
    name: yamllint check
    runs-on: ubuntu-latest

    steps:
      - name: 'Checkout'
        uses: actions/checkout@v3
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          fetch-depth: 0  # otherwise, you will fail to push refs to dest repo

      - name: Install yamllint
        run: pip install yamllint

      - name: Lint YAML pipeline files
        id: lint-pipeline
        working-directory: ./eng/pipelines
        run: |
            RESULT=$(yamllint ./eng/pipelines --f github)
            if [ -n "$RESULT" ]; then
                echo "YAML Lint found issues"
                echo "$RESULT"
                echo "::set-output name=result::$RESULT"
                exit 1
            fi

      # only post a comment if the linting fails
      - name: Post comment
        uses: unsplash/comment-on-pr@v1.3.0
        if: failure()
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          msg: |
            [yaml-lint] YamlLint found issues in the pipeline files.
            ${{ steps.lint-pipeline.outputs.result }}
          check_for_duplicate_msg: true
          delete_prev_regex_msg: "YamlLint found issues in the pipeline files."
          duplicate_msg_pattern: "YamlLint found issues in the pipeline files."