syntax = "proto3";

package gitks;

import "oid.proto";
import "repository.proto";

message GitProtocolFeatures {
  uint32 version = 1;
  repeated string capabilities = 2;
  repeated string server_options = 3;
  repeated string agent = 4;
}

message ReferenceAdvertisement {
  string name = 1;
  Oid target_oid = 2;
  Oid peeled_oid = 3;
  bool symbolic = 4;
  string symbolic_target = 5;
}

message AdvertiseRefsRequest {
  RepositoryHeader repository = 1;
  GitProtocolFeatures protocol = 2;
  string service = 3;
}

message AdvertiseRefsResponse {
  repeated ReferenceAdvertisement references = 1;
  repeated string capabilities = 2;
}

message UploadPackRequest {
  RepositoryHeader repository = 1;
  GitProtocolFeatures protocol = 2;
  bytes packet = 3;
  bool done = 4;
}

message UploadPackResponse {
  bytes packet = 1;
  string stderr = 2;
}

message ReceivePackRequest {
  RepositoryHeader repository = 1;
  GitProtocolFeatures protocol = 2;
  bytes packet = 3;
  bool done = 4;
}

message ReceivePackResponse {
  bytes packet = 1;
  string stderr = 2;
}

message PackObjectsOptions {
  repeated Oid wants = 1;
  repeated Oid haves = 2;
  repeated string shallow_revisions = 3;
  uint32 deepen = 4;
  bool thin_pack = 5;
  bool include_tag = 6;
  bool use_bitmaps = 7;
  bool delta_base_offset = 8;
  repeated string pathspec = 9;
}

message PackObjectsRequest {
  RepositoryHeader repository = 1;
  PackObjectsOptions options = 2;
}

message PackfileChunk {
  bytes data = 1;
}

message IndexPackRequest {
  RepositoryHeader repository = 1;
  bytes data = 2;
  bool done = 3;
  bool keep = 4;
  bool strict = 5;
}

message IndexPackResponse {
  Oid pack_hash = 1;
  uint64 object_count = 2;
  string stderr = 3;
}

message ListPackfilesRequest {
  RepositoryHeader repository = 1;
  Pagination pagination = 2;
}

message PackfileInfo {
  string name = 1;
  Oid pack_hash = 2;
  uint64 size_bytes = 3;
  uint64 index_size_bytes = 4;
  uint64 object_count = 5;
  bool has_bitmap = 6;
  bool has_rev_index = 7;
  bool kept = 8;
}

message ListPackfilesResponse {
  repeated PackfileInfo packfiles = 1;
  PageInfo page_info = 2;
}

message FsckRequest {
  RepositoryHeader repository = 1;
  bool strict = 2;
  bool connectivity_only = 3;
}

message FsckResponse {
  bool ok = 1;
  repeated string errors = 2;
  repeated string warnings = 3;
}

service PackService {
  rpc AdvertiseRefs(AdvertiseRefsRequest) returns (AdvertiseRefsResponse);
  rpc UploadPack(stream UploadPackRequest) returns (stream UploadPackResponse);
  rpc ReceivePack(stream ReceivePackRequest) returns (stream ReceivePackResponse);
  rpc PackObjects(PackObjectsRequest) returns (stream PackfileChunk);
  rpc IndexPack(stream IndexPackRequest) returns (IndexPackResponse);
  rpc ListPackfiles(ListPackfilesRequest) returns (ListPackfilesResponse);
  rpc Fsck(FsckRequest) returns (FsckResponse);
}