purl

{
  "$schema": "https://packageurl.org/schemas/purl-type-definition.schema-1.0.json",
  "$id": "https://packageurl.org/types/gem-definition.json",
  "type": "gem",
  "type_name": "RubyGems",
  "description": "RubyGems",
  "repository": {
    "use_repository": true,
    "default_repository_url": "https://rubygems.org"
  },
  "namespace_definition": {
    "requirement": "prohibited",
    "note": "There is no namespace"
  },
  "name_definition": {
    "requirement": "required",
    "native_name": "name"
  },
  "version_definition": {
    "requirement": "optional",
    "native_name": "version"
  },
  "qualifiers_definition": [
    {
      "key": "platform",
      "native_name": "platform",
      "requirement": "optional",
      "default_value": "ruby",
      "description": "qualifiers key is used to specify an alternative platform. such as java for JRuby. The implied default is ruby for Ruby MRI."
    }
  ],
  "examples": [
    "pkg:gem/ruby-advisory-db-check@0.12.4",
    "pkg:gem/jruby-launcher@1.1.2?platform=java"
  ]
}