syntax = "proto3";

message VersionQuery {
  string version_id = 1;
}

message VersionResponse {
  message Manifest {
    string version = 1;
    message ChunkData {
      message FileEntry {
        string filename = 1;
        uint64 start = 2;
        uint64 length = 3;
        fixed32 permissions = 4;
      }
      repeated FileEntry files = 1;
      string checksum = 2;
      bytes iv = 3;
    }
    map<string, ChunkData> chunks = 2;
    uint64 size = 3;
    bytes key = 4;
  }
  Manifest manifest = 1;

  message LibrarySource {
    enum LibraryBackend {
      FILESYSTEM = 0;
      FLAT_FILESYSTEM = 1;
    }
    string options = 1; /// JSON
    string id = 2;
    LibraryBackend backend = 3;
  }
  LibrarySource source = 2;
  string library_path = 3;
  string version_path = 4;
}