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package ref
import (
"bytes"
"gitlab.com/gitlab-org/gitaly-proto/go/gitalypb"
"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(name []byte, target *gitalypb.GitCommit) *gitalypb.FindLocalBranchResponse {
response := &gitalypb.FindLocalBranchResponse{
Name: name,
}
if target == nil {
return response
}
response.CommitId = target.Id
response.CommitSubject = target.Subject
if author := target.Author; author != nil {
response.CommitAuthor = &gitalypb.FindLocalBranchCommitAuthor{
Name: author.Name,
Email: author.Email,
Date: author.Date,
}
}
if committer := target.Committer; committer != nil {
response.CommitCommitter = &gitalypb.FindLocalBranchCommitAuthor{
Name: committer.Name,
Email: committer.Email,
Date: committer.Date,
}
}
return response
}
func buildAllBranchesBranch(c *catfile.Batch, elements [][]byte) (*gitalypb.FindAllBranchesResponse_Branch, error) {
target, err := log.GetCommitCatfile(c, string(elements[1]))
if err != nil {
return nil, err
}
return &gitalypb.FindAllBranchesResponse_Branch{
Name: elements[0],
Target: target,
}, nil
}
func buildBranch(c *catfile.Batch, elements [][]byte) (*gitalypb.Branch, error) {
target, err := log.GetCommitCatfile(c, string(elements[1]))
if err != nil {
return nil, err
}
return &gitalypb.Branch{
Name: elements[0],
TargetCommit: target,
}, nil
}
func newFindAllBranchNamesWriter(stream gitalypb.RefService_FindAllBranchNamesServer) lines.Sender {
return func(refs [][]byte) error {
return stream.Send(&gitalypb.FindAllBranchNamesResponse{Names: refs})
}
}
func newFindAllTagNamesWriter(stream gitalypb.RefService_FindAllTagNamesServer) lines.Sender {
return func(refs [][]byte) error {
return stream.Send(&gitalypb.FindAllTagNamesResponse{Names: refs})
}
}
func newFindLocalBranchesWriter(stream gitalypb.RefService_FindLocalBranchesServer, c *catfile.Batch) lines.Sender {
return func(refs [][]byte) error {
var branches []*gitalypb.FindLocalBranchResponse
for _, ref := range refs {
elements, err := parseRef(ref)
if err != nil {
return err
}
target, err := log.GetCommitCatfile(c, string(elements[1]))
if err != nil {
return err
}
branches = append(branches, buildLocalBranch(elements[0], target))
}
return stream.Send(&gitalypb.FindLocalBranchesResponse{Branches: branches})
}
}
func newFindAllBranchesWriter(stream gitalypb.RefService_FindAllBranchesServer, c *catfile.Batch) lines.Sender {
return func(refs [][]byte) error {
var branches []*gitalypb.FindAllBranchesResponse_Branch
for _, ref := range refs {
elements, err := parseRef(ref)
if err != nil {
return err
}
branch, err := buildAllBranchesBranch(c, elements)
if err != nil {
return err
}
branches = append(branches, branch)
}
return stream.Send(&gitalypb.FindAllBranchesResponse{Branches: branches})
}
}
func newFindAllRemoteBranchesWriter(stream gitalypb.RefService_FindAllRemoteBranchesServer, c *catfile.Batch) lines.Sender {
return func(refs [][]byte) error {
var branches []*gitalypb.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(&gitalypb.FindAllRemoteBranchesResponse{Branches: branches})
}
}
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