{
    "$schema": "http://json-schema.org/schema#",
    "id": "http://softwareheritage.org/schemas/myschema.json",

    "definitions": {
        "person": {
            "type": "object",
            "properties": {
                "name": {
                    "title": "full name",
                    "type": "string"
                },
                "email": {
                    "title": "email address",
                    "type": "string",
                    "format": "email"
                }
            }
        },
        "pkgid": {
            "title": "debian source package identifier",
            "type": "array",
            "items": [
                {
                    "title": "package name",
                    "type": "string"
                },
                {
                    "title": "package version",
                    "type": "string"
                }
            ]
        },
        "archive_type": {
            "title": "a file archive type (tar, zip, etc.)",
            "description": "Most values are self-describing. Others are as follows:\n 'dsc' -> Debian source package",
            "type": "string",
            "enum": ["tar", "zip", "dsc"]
        }
    },

    "type": "object",
    "properties": {

        "original_artifact": {
            "type": "array",
            "items": {
                "type": "object",
                "properties": {
                    "name": { "type": "string" },
                    "length": { "type": "integer", "minimum": 0 },
                    "sha1": { "type": "string" },
                    "sha1_git": { "type": "string" },
                    "sha256": { "type": "string" },
                    "archive_type": { "$ref": "#/definitions/archive_type" }
                }
            }
        },

        "package_info": {
            "type": "object",
            "properties": {
                "name": { "type": "string" },
                "version": { "type": "string" },
                "changelog": {
                    "type": "object",
                    "properties": {
                        "date": { "type": "string", "format": "date-time" },
                        "person": { "$ref": "#/definitions/person" },
                        "history": {
                            "type": "array",
                            "items": { "$ref": "#/definitions/pkgid" }
                        }
                    }
                },
                "maintainers": { 
                    "type": "object",
                    "properties": {
                    }
                },
                "pgp_signature": { 
                    "type": "object",
                    "properties": {
                        "date": { "type": "string", "format": "date-time" },
                        "keyid": { "type": "string" },
                        "person": { "$ref": "#/definitions/person" }
                    }
                },
                "lister_metadata": { 
                    "type": "object",
                    "properties": {
                        "id": { "type": "integer" },
                        "lister": { "type": "string" }
                    }
                }
            }
        }

    }
        
}