purl

{
  "$schema": "https://packageurl.org/schemas/purl-type-definition.schema-1.0.json",
  "$id": "https://packageurl.org/types/opam-definition.json",
  "type": "opam",
  "type_name": "Opam package",
  "description": "Opam packages",
  "repository": {
    "use_repository": true,
    "default_repository_url": "https://opam.ocaml.org"
  },
  "namespace_definition": {
    "requirement": "prohibited",
    "note": "there is no namespace"
  },
  "name_definition": {
    "requirement": "required",
    "case_sensitive": true,
    "native_name": "name",
    "note": "The name is case sensitive."
  },
  "version_definition": {
    "requirement": "optional",
    "native_name": "version",
    "note": "The version is package version."
  },
  "examples": [
    "pkg:opam/ocaml-base-compiler@5.2.0",
    "pkg:opam/git@3/16.1"
  ]
}