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package smarthttp
import (
"fmt"
"io"
pb "gitlab.com/gitlab-org/gitaly-proto/go"
pbhelper "gitlab.com/gitlab-org/gitaly-proto/go/helper"
"gitlab.com/gitlab-org/gitaly/internal/helper"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
)
func (s *server) InfoRefsUploadPack(in *pb.InfoRefsRequest, stream pb.SmartHTTP_InfoRefsUploadPackServer) error {
w := pbhelper.NewSendWriter(func(p []byte) error {
return stream.Send(&pb.InfoRefsResponse{Data: p})
})
return handleInfoRefs("upload-pack", in.Repository, w)
}
func (s *server) InfoRefsReceivePack(in *pb.InfoRefsRequest, stream pb.SmartHTTP_InfoRefsReceivePackServer) error {
w := pbhelper.NewSendWriter(func(p []byte) error {
return stream.Send(&pb.InfoRefsResponse{Data: p})
})
return handleInfoRefs("receive-pack", in.Repository, w)
}
func handleInfoRefs(service string, repo *pb.Repository, w io.Writer) error {
repoPath, err := helper.GetRepoPath(repo)
if err != nil {
return err
}
cmd, err := helper.GitCommandReader(service, "--stateless-rpc", "--advertise-refs", repoPath)
if err != nil {
return grpc.Errorf(codes.Internal, "GetInfoRefs: cmd: %v", err)
}
defer cmd.Kill()
helper.Debugf("handleInfoRefs: service=%q RepoPath=%q", service, repoPath)
if err := pktLine(w, fmt.Sprintf("# service=git-%s\n", service)); err != nil {
return grpc.Errorf(codes.Internal, "GetInfoRefs: pktLine: %v", err)
}
if err := pktFlush(w); err != nil {
return grpc.Errorf(codes.Internal, "GetInfoRefs: pktFlush: %v", err)
}
if _, err := io.Copy(w, cmd); err != nil {
return grpc.Errorf(codes.Internal, "GetInfoRefs: copy output of %v: %v", cmd.Args, err)
}
if err := cmd.Wait(); err != nil {
return grpc.Errorf(codes.Internal, "GetInfoRefs: wait for %v: %v", cmd.Args, err)
}
return nil
}
func pktLine(w io.Writer, s string) error {
_, err := fmt.Fprintf(w, "%04x%s", len(s)+4, s)
return err
}
func pktFlush(w io.Writer) error {
_, err := fmt.Fprint(w, "0000")
return err
}
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