anchor.diff:  ```bash
   steps:
     - command: .buildkite/pipeline.sh | buildkite-agent pipeline upload
  -    label: \:pipeline\: Upload
  +    label: "\:pipeline\: Upload"
     - wait
     - command: "other-script.sh"
  -    label: Run other operations
  +    label: "Run other operations"
   ```
   
   ## Migrating existing steps to a pipeline.yml
  
positive.code: 
  ```yaml
  steps:
    - label: '\:hammer\: Tests'
      command: 'scripts/tests.sh'
      env:
        BUILDKITE_DOCKER_COMPOSE_CONTAINER: app
  
    - wait
  
    - label: '\:package\: Package'
      command: 'scripts/build-binaries.sh'
      artifact_paths: 'pkg/*'
      env:
        BUILDKITE_DOCKER_COMPOSE_CONTAINER: app
  
    - wait
  
    - label: '\:debian\: Publish'
      command: 'scripts/build-debian-packages.sh'
      artifact_paths: 'deb/**/*'
      branches: 'master'
      agents:
        queue: 'deploy'
  
    - block: '\:shipit\: Release'
      branches: 'master'
  
    - label: '\:github\: Release'
      command: 'scripts/build-github-release.sh'
      artifact_paths: 'releases/**/*'
      branches: 'master'
  
    - wait
  
    - label: '\:whale\: Update images'
      command: 'scripts/release-docker.sh'
      branches: 'master'
      agents:
        queue: 'deploy'
  ```
  
  ## Step types
  
negative.code: 
  ```yml
  steps:
    - label: "Example Test"
      command: echo "Hello!"
  ```
  
  