anchor.diff:  
   ```yaml
   steps:
  -  - label: '\:hammer\: Tests'
  -    command: 'scripts/tests.sh'
  +  - 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/*'
  +  - 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'
  +  - 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'
  +      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'
  +      queue: "deploy"
   ```
   
   ## Step types
  
positive.code: ```bash
  steps:
    - command: .buildkite/pipeline.sh | buildkite-agent pipeline upload
      label: \:pipeline\: Upload
    - wait
    - command: "other-script.sh"
      label: Run other operations
  ```
  
  ## Migrating existing steps to a pipeline.yml
  
negative.code: 
  ```yml
  steps:
    - label: "Example Test"
      command: echo "Hello!"
  ```
  
  