Label Deleted Files

# -*- mode: yaml -*-
manifest:
  version: 1.0

automations:
  # Apply a label that indicates when a PR deletes files
  # This uses the `has` custom expression found at the bottom of this file
  label_deleted_files:
    if:
      - {{ has.deleted_files }}
    run: 
      - action: add-label@v1
        args:
          label: 'deleted-files'
          color: '#DF9C04'

# This is used in the `label_deleted_files` automation
has:
  deleted_files: {{ source.diff.files | map(attr='new_file') | match(term='/dev/null') | some }}