purl

{
  "$schema": "https://packageurl.org/schemas/purl-type-definition.schema-1.0.json",
  "$id": "https://packageurl.org/types/cran-definition.json",
  "type": "cran",
  "type_name": "CRAN",
  "description": "CRAN R packages",
  "repository": {
    "use_repository": true,
    "default_repository_url": "https://cran.r-project.org"
  },
  "namespace_definition": {
    "requirement": "prohibited",
    "note": "there is no namespace"
  },
  "name_definition": {
    "requirement": "required",
    "native_name": "name",
    "case_sensitive": true,
    "note": "The name is the package name and is case sensitive, but there cannot be two packages on CRAN with the same name ignoring case."
  },
  "version_definition": {
    "requirement": "optional",
    "native_name": "version",
    "note": "The version is the package version."
  },
  "examples": [
    "pkg:cran/A3@1.0.0",
    "pkg:cran/rJava@1.0-4",
    "pkg:cran/caret@6.0-88"
  ]
}