{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://wstein.github.io/sourcesteward/schemas/v1/inspect.schema.json",
  "title": "SourceSteward inspection result (schema 1)",
  "description": "Success and operational failure results. Usage and writer failures may not emit JSON. Unknown object properties and diagnostic codes are compatible extensions.",
  "type": "object",
  "required": [
    "schema_version",
    "status",
    "backend",
    "input_path",
    "evidence",
    "repository",
    "diagnostics"
  ],
  "properties": {
    "schema_version": {
      "const": 1
    },
    "status": {
      "enum": [
        "ok",
        "unsupported",
        "error"
      ]
    },
    "backend": {
      "enum": [
        "git",
        "jj",
        "gitbutler",
        "ambiguous",
        "unknown"
      ]
    },
    "input_path": {
      "type": "string",
      "description": "Absolute path when available; empty if input cannot be represented or resolved."
    },
    "evidence": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/evidence"
      }
    },
    "repository": {
      "oneOf": [
        {
          "type": "null"
        },
        {
          "$ref": "#/$defs/repository"
        }
      ]
    },
    "diagnostics": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/diagnostic"
      }
    }
  },
  "$defs": {
    "head": {
      "type": "object",
      "required": [
        "state",
        "ref",
        "oid"
      ],
      "properties": {
        "state": {
          "enum": [
            "attached",
            "detached",
            "unborn"
          ]
        },
        "ref": {
          "oneOf": [
            {
              "type": "null"
            },
            {
              "type": "string",
              "pattern": "^refs/heads/.+"
            }
          ]
        },
        "oid": {
          "oneOf": [
            {
              "type": "null"
            },
            {
              "type": "string",
              "pattern": "^([0-9a-f]{40}|[0-9a-f]{64})$"
            }
          ]
        }
      },
      "allOf": [
        {
          "if": {
            "properties": {
              "state": {
                "const": "attached"
              }
            }
          },
          "then": {
            "properties": {
              "ref": {
                "type": "string"
              },
              "oid": {
                "type": "string"
              }
            }
          }
        },
        {
          "if": {
            "properties": {
              "state": {
                "const": "detached"
              }
            }
          },
          "then": {
            "properties": {
              "ref": {
                "type": "null"
              },
              "oid": {
                "type": "string"
              }
            }
          }
        },
        {
          "if": {
            "properties": {
              "state": {
                "const": "unborn"
              }
            }
          },
          "then": {
            "properties": {
              "ref": {
                "type": "string"
              },
              "oid": {
                "type": "null"
              }
            }
          }
        }
      ]
    },
    "repository": {
      "type": "object",
      "required": [
        "git_dir",
        "common_dir",
        "worktree",
        "bare",
        "linked_worktree",
        "object_format",
        "head"
      ],
      "properties": {
        "git_dir": {
          "type": "string",
          "minLength": 1
        },
        "common_dir": {
          "type": "string",
          "minLength": 1
        },
        "worktree": {
          "oneOf": [
            {
              "type": "string",
              "minLength": 1
            },
            {
              "type": "null"
            }
          ]
        },
        "bare": {
          "type": "boolean"
        },
        "linked_worktree": {
          "type": "boolean"
        },
        "object_format": {
          "enum": [
            "sha1",
            "sha256"
          ]
        },
        "head": {
          "$ref": "#/$defs/head"
        }
      },
      "allOf": [
        {
          "if": {
            "properties": {
              "bare": {
                "const": true
              }
            }
          },
          "then": {
            "properties": {
              "worktree": {
                "type": "null"
              },
              "linked_worktree": {
                "const": false
              }
            }
          },
          "else": {
            "properties": {
              "worktree": {
                "type": "string",
                "minLength": 1
              }
            }
          }
        },
        {
          "if": {
            "properties": {
              "object_format": {
                "const": "sha1"
              }
            }
          },
          "then": {
            "properties": {
              "head": {
                "properties": {
                  "oid": {
                    "oneOf": [
                      {
                        "type": "null"
                      },
                      {
                        "type": "string",
                        "pattern": "^[0-9a-f]{40}$",
                        "minLength": 40,
                        "maxLength": 40
                      }
                    ]
                  }
                }
              }
            }
          }
        },
        {
          "if": {
            "properties": {
              "object_format": {
                "const": "sha256"
              }
            }
          },
          "then": {
            "properties": {
              "head": {
                "properties": {
                  "oid": {
                    "oneOf": [
                      {
                        "type": "null"
                      },
                      {
                        "type": "string",
                        "pattern": "^[0-9a-f]{64}$",
                        "minLength": 64,
                        "maxLength": 64
                      }
                    ]
                  }
                }
              }
            }
          }
        }
      ]
    },
    "evidence": {
      "type": "object",
      "required": [
        "kind",
        "location"
      ],
      "properties": {
        "kind": {
          "enum": [
            "jj-metadata",
            "gitbutler-metadata",
            "gitbutler-reference"
          ]
        },
        "location": {
          "type": "string",
          "minLength": 1
        }
      }
    },
    "diagnostic": {
      "type": "object",
      "required": [
        "code",
        "message"
      ],
      "properties": {
        "code": {
          "type": "string",
          "minLength": 1
        },
        "message": {
          "type": "string",
          "minLength": 1
        }
      }
    }
  },
  "allOf": [
    {
      "if": {
        "properties": {
          "status": {
            "const": "ok"
          }
        }
      },
      "then": {
        "properties": {
          "backend": {
            "const": "git"
          },
          "repository": {
            "$ref": "#/$defs/repository"
          },
          "diagnostics": {
            "maxItems": 0
          }
        }
      },
      "else": {
        "properties": {
          "repository": {
            "type": "null"
          },
          "diagnostics": {
            "minItems": 1
          }
        }
      }
    },
    {
      "if": {
        "properties": {
          "status": {
            "const": "unsupported"
          }
        }
      },
      "then": {
        "properties": {
          "backend": {
            "enum": [
              "jj",
              "gitbutler",
              "ambiguous"
            ]
          }
        }
      }
    }
  ]
}