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package ref
import (
"bytes"
pb "gitlab.com/gitlab-org/gitaly-proto/go"
"gitlab.com/gitlab-org/gitaly/internal/git/catfile"
"gitlab.com/gitlab-org/gitaly/internal/git/log"
"gitlab.com/gitlab-org/gitaly/internal/helper/lines"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
var localBranchFormatFields = []string{"%(refname)", "%(objectname)"}
func parseRef(ref []byte) ([][]byte, error) {
elements := bytes.Split(ref, []byte("\x00"))
if len(elements) != len(localBranchFormatFields) {
return nil, status.Errorf(codes.Internal, "error parsing ref %q", ref)
}
return elements, nil
}
func buildLocalBranch(c *catfile.Batch, elements [][]byte) (*pb.FindLocalBranchResponse, error) {
target, err := log.GetCommitCatfile(c, string(elements[1]))
if err != nil {
return nil, err
}
author := pb.FindLocalBranchCommitAuthor{
Name: target.Author.Name,
Email: target.Author.Email,
Date: target.Author.Date,
}
committer := pb.FindLocalBranchCommitAuthor{
Name: target.Committer.Name,
Email: target.Committer.Email,
Date: target.Committer.Date,
}
return &pb.FindLocalBranchResponse{
Name: elements[0],
CommitId: target.Id,
CommitSubject: target.Subject,
CommitAuthor: &author,
CommitCommitter: &committer,
}, nil
}
func buildBranch(c *catfile.Batch, elements [][]byte) (*pb.FindAllBranchesResponse_Branch, error) {
target, err := log.GetCommitCatfile(c, string(elements[1]))
if err != nil {
return nil, err
}
return &pb.FindAllBranchesResponse_Branch{
Name: elements[0],
Target: target,
}, nil
}
func newFindAllBranchNamesWriter(stream pb.Ref_FindAllBranchNamesServer) lines.Sender {
return func(refs [][]byte) error {
return stream.Send(&pb.FindAllBranchNamesResponse{Names: refs})
}
}
func newFindAllTagNamesWriter(stream pb.Ref_FindAllTagNamesServer) lines.Sender {
return func(refs [][]byte) error {
return stream.Send(&pb.FindAllTagNamesResponse{Names: refs})
}
}
func newFindLocalBranchesWriter(stream pb.Ref_FindLocalBranchesServer, c *catfile.Batch) lines.Sender {
return func(refs [][]byte) error {
var branches []*pb.FindLocalBranchResponse
for _, ref := range refs {
elements, err := parseRef(ref)
if err != nil {
return err
}
branch, err := buildLocalBranch(c, elements)
if err != nil {
return err
}
branches = append(branches, branch)
}
return stream.Send(&pb.FindLocalBranchesResponse{Branches: branches})
}
}
func newFindAllBranchesWriter(stream pb.RefService_FindAllBranchesServer, c *catfile.Batch) lines.Sender {
return func(refs [][]byte) error {
var branches []*pb.FindAllBranchesResponse_Branch
for _, ref := range refs {
elements, err := parseRef(ref)
if err != nil {
return err
}
branch, err := buildBranch(c, elements)
if err != nil {
return err
}
branches = append(branches, branch)
}
return stream.Send(&pb.FindAllBranchesResponse{Branches: branches})
}
}
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