syntax = "proto3";

package gitaly;

option go_package = "gitlab.com/gitlab-org/gitaly/v14/proto/go/gitalypb";

import "google/protobuf/timestamp.proto";
import "lint.proto";

enum ObjectType {
  UNKNOWN = 0;
  COMMIT = 1;
  BLOB = 2;
  TREE = 3;
  TAG = 4;
}

enum SignatureType {
  NONE = 0;
  PGP = 1;
  X509 = 2;
  // maybe add X509+TSA or other combinations at a later step
}

message Repository {
  // DEPRECATED: https://gitlab.com/gitlab-org/gitaly/issues/151
  reserved 1;
  reserved "path";

  string storage_name = 2;
  string relative_path = 3;
  // Sets the GIT_OBJECT_DIRECTORY envvar on git commands to the value of this field.
  // It influences the object storage directory the SHA1 directories are created underneath.
  string git_object_directory = 4;
  // Sets the GIT_ALTERNATE_OBJECT_DIRECTORIES envvar on git commands to the values of this field.
  // It influences the list of Git object directories which can be used to search for Git objects.
  repeated string git_alternate_object_directories = 5;
  // Used in callbacks to GitLab so that it knows what repository the event is
  // associated with. May be left empty on RPC's that do not perform callbacks.
  // During project creation, `gl_repository` may not be known.
  string gl_repository = 6;
  reserved 7;
  // The human-readable GitLab project path (e.g. gitlab-org/gitlab-ce).
  // When hashed storage is use, this associates a project path with its
  // path on disk. The name can change over time (e.g. when a project is
  // renamed). This is primarily used for logging/debugging at the
  // moment.
  string gl_project_path = 8;
}

// A single Git trailer (https://git-scm.com/docs/git-interpret-trailers)
// key-value pair.
message CommitTrailer {
  // The key of the trailer, such as `Signed-off-by`.
  bytes key = 1;
  // The value of the trailer, such as `Alice <alice@gmail.com>`.
  bytes value = 2;
}

// Corresponds to Gitlab::Git::Commit
message GitCommit {
  string id = 1;
  bytes subject = 2;
  bytes body = 3;
  CommitAuthor author = 4;
  CommitAuthor committer = 5;
  repeated string parent_ids = 6;
  // If body exceeds a certain threshold, it will be nullified,
  // but its size will be set in body_size so we can know if
  // a commit had a body in the first place.
  int64 body_size = 7;
  SignatureType signature_type = 8;

  // The tree ID will always be filled, even if the tree is empty. In that case
  // the value will be `4b825dc642cb6eb9a060e54bf8d69288fbee4904`.
  // That value is equivalent to `git hash-object -t tree /dev/null`
  string tree_id = 9;
  // The list of Git trailers (https://git-scm.com/docs/git-interpret-trailers)
  // found in this commit's message. The number of trailers and their key/value
  // sizes are limited. If a trailer exceeds these size limits, it and any
  // trailers that follow it are not included.
  repeated CommitTrailer trailers = 10;
}

message CommitAuthor {
  bytes name = 1;
  bytes email = 2;
  google.protobuf.Timestamp date = 3;
  bytes timezone = 4;
}

message ExitStatus {
  int32 value = 1;
}

// Corresponds to Gitlab::Git::Branch
message Branch {
  bytes name = 1;
  GitCommit target_commit = 2;
}

message Tag {
  bytes name = 1;
  string id = 2;
  GitCommit target_commit = 3;
  // If message exceeds a certain threshold, it will be nullified,
  // but its size will be set in message_size so we can know if
  // a tag had a message in the first place.
  bytes message = 4;
  int64 message_size = 5;
  CommitAuthor tagger = 6;
  SignatureType signature_type = 7;
}

message User {
  string gl_id = 1;
  bytes name = 2;
  bytes email = 3;
  string gl_username = 4;
}

message ObjectPool {
  Repository repository = 1 [(gitaly.repository)=true];
}

message PaginationParameter {
	// Instructs pagination to start sending results after the provided page
	// token appears. A page token allows for a generic pattern to uniquely
	// identify a result or 'page'. Each paginated RPC may interpret a page
	// token differently.
	string page_token = 1;
	// When fully consuming the response the client will receive _at most_
	// `limit` number of resulting objects. Note that the number of response
	// messages might be much lower, as some response messages already send
	// multiple objects per message.
	// When the limit is smaller than 0, it will be normalized to 2147483647
	// on the server side. When limit is not set, it defaults to 0, and no
	// results are send in the response.
	int32 limit = 2;
}

// https://git-scm.com/docs/git/#_options
message GlobalOptions {
    // Treat pathspecs literally (i.e. no globbing, no pathspec magic)
    bool literal_pathspecs = 1;
}
