{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://sediment.so/schemas/derived-artifacts/commit-ref/v2.json",
  "title": "CommitRef",
  "description": "One repository-qualified commit.",
  "type": "object",
  "properties": {
    "repo": {
      "type": "string",
      "pattern": "^[^\\u0000\\uD800-\\uDFFF]*$",
      "description": "The repository containing this commit."
    },
    "commit_sha": {
      "type": "string",
      "description": "The full commit identity within that repository."
    },
    "repository_identity": {
      "anyOf": [
        {
          "$ref": "#/$defs/RepositoryIdentity"
        },
        {
          "type": "null"
        }
      ],
      "description": "Qualified provider, host, and repository ID; null for an unambiguous legacy repository."
    }
  },
  "additionalProperties": false,
  "required": [
    "repo",
    "commit_sha",
    "repository_identity"
  ],
  "$defs": {
    "RepositoryIdentity": {
      "type": "object",
      "properties": {
        "provider": {
          "const": "github",
          "type": "string",
          "description": "The forge provider that assigns the immutable repository ID."
        },
        "host": {
          "type": "string",
          "pattern": "^[^\\u0000\\uD800-\\uDFFF]*$",
          "description": "The lowercase configured forge host."
        },
        "repository_id": {
          "type": "string",
          "pattern": "^[^\\u0000\\uD800-\\uDFFF]*$",
          "description": "Immutable provider repository ID within its forge host."
        }
      },
      "additionalProperties": false,
      "required": [
        "provider",
        "host",
        "repository_id"
      ]
    }
  }
}