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package repository
import (
"bytes"
"io"
"gitlab.com/gitlab-org/gitaly/proto/v15/go/gitalypb"
"gitlab.com/gitlab-org/gitaly/v15/internal/command"
"gitlab.com/gitlab-org/gitaly/v15/internal/git"
"gitlab.com/gitlab-org/gitaly/v15/internal/gitaly/service"
"gitlab.com/gitlab-org/gitaly/v15/streamio"
)
func (s *server) CreateBundleFromRefList(stream gitalypb.RepositoryService_CreateBundleFromRefListServer) error {
firstRequest, err := stream.Recv()
if err != nil {
return err
}
repository := firstRequest.GetRepository()
if err := service.ValidateRepository(repository); err != nil {
return structerr.NewInvalidArgument("%w", err)
}
ctx := stream.Context()
if _, err := s.Cleanup(ctx, &gitalypb.CleanupRequest{Repository: repository}); err != nil {
return err
}
firstRead := true
reader := streamio.NewReader(func() ([]byte, error) {
var request *gitalypb.CreateBundleFromRefListRequest
if firstRead {
firstRead = false
request = firstRequest
} else {
var err error
request, err = stream.Recv()
if err != nil {
return nil, err
}
}
return append(bytes.Join(request.GetPatterns(), []byte("\n")), '\n'), nil
})
var stderr bytes.Buffer
repo := s.localrepo(repository)
cmd, err := repo.Exec(ctx,
git.Command{
Name: "bundle",
Action: "create",
Flags: []git.Option{
git.OutputToStdout,
git.Flag{Name: "--ignore-missing"},
git.Flag{Name: "--stdin"},
},
},
git.WithStdin(reader),
git.WithStderr(&stderr),
)
if err != nil {
return structerr.NewInternal("cmd start failed: %w", err)
}
writer := streamio.NewWriter(func(p []byte) error {
return stream.Send(&gitalypb.CreateBundleFromRefListResponse{Data: p})
})
_, err = io.Copy(writer, cmd)
if err != nil {
return structerr.NewInternal("stream writer failed: %w", err)
}
err = cmd.Wait()
if isExitWithCode(err, 128) && bytes.HasPrefix(stderr.Bytes(), []byte("fatal: Refusing to create empty bundle.")) {
return structerr.NewFailedPrecondition("cmd wait failed: refusing to create empty bundle")
} else if err != nil {
return structerr.NewInternal("cmd wait failed: %w, stderr: %q", err, stderr.String())
}
return nil
}
func isExitWithCode(err error, code int) bool {
actual, ok := command.ExitStatus(err)
if !ok {
return false
}
return code == actual
}
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