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package smarthttp
import (
"fmt"
"os/exec"
"gitlab.com/gitlab-org/gitaly/internal/helper"
pb "gitlab.com/gitlab-org/gitaly-proto/go"
pbhelper "gitlab.com/gitlab-org/gitaly-proto/go/helper"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
)
func (s *server) PostReceivePack(stream pb.SmartHTTP_PostReceivePackServer) error {
req, err := stream.Recv() // First request contains only Repository and GlId
if err != nil {
return err
}
if err := validateReceivePackRequest(req); err != nil {
return err
}
stdin := pbhelper.NewReceiveReader(func() ([]byte, error) {
resp, err := stream.Recv()
return resp.GetData(), err
})
stdout := pbhelper.NewSendWriter(func(p []byte) error {
return stream.Send(&pb.PostReceivePackResponse{Data: p})
})
env := []string{fmt.Sprintf("GL_ID=%s", req.GlId)}
if req.GlRepository != "" {
env = append(env, fmt.Sprintf("GL_REPOSITORY=%s", req.GlRepository))
}
repoPath, err := helper.GetRepoPath(req.Repository)
if err != nil {
return err
}
helper.Debugf("PostReceivePack: RepoPath=%q GlID=%q GlRepository=%q", repoPath, req.GlId, req.GlRepository)
osCommand := exec.Command("git", "receive-pack", "--stateless-rpc", repoPath)
cmd, err := helper.NewCommand(osCommand, stdin, stdout, nil, env...)
if err != nil {
return grpc.Errorf(codes.Unavailable, "PostReceivePack: cmd: %v", err)
}
defer cmd.Kill()
if err := cmd.Wait(); err != nil {
return grpc.Errorf(codes.Unavailable, "PostReceivePack: cmd wait for %v: %v", cmd.Args, err)
}
return nil
}
func validateReceivePackRequest(req *pb.PostReceivePackRequest) error {
if req.GlId == "" {
return grpc.Errorf(codes.InvalidArgument, "PostReceivePack: empty GlId")
}
if req.Data != nil {
return grpc.Errorf(codes.InvalidArgument, "PostReceivePack: non-empty Data")
}
return nil
}
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