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package commit
import (
"fmt"
"io"
grpc_logrus "github.com/grpc-ecosystem/go-grpc-middleware/logging/logrus"
log "github.com/sirupsen/logrus"
"gitlab.com/gitlab-org/gitaly/internal/git"
"gitlab.com/gitlab-org/gitaly/internal/git/lstree"
"gitlab.com/gitlab-org/gitaly/internal/helper"
"gitlab.com/gitlab-org/gitaly/internal/helper/chunk"
"gitlab.com/gitlab-org/gitaly/proto/go/gitalypb"
"google.golang.org/grpc/codes"
)
func (s *server) ListFiles(in *gitalypb.ListFilesRequest, stream gitalypb.CommitService_ListFilesServer) error {
grpc_logrus.Extract(stream.Context()).WithFields(log.Fields{
"Revision": in.GetRevision(),
}).Debug("ListFiles")
if err := validateListFilesRequest(in); err != nil {
return err
}
repo := in.Repository
if _, err := helper.GetRepoPath(repo); err != nil {
return err
}
revision := string(in.GetRevision())
if len(revision) == 0 {
defaultBranch, err := defaultBranchName(stream.Context(), repo)
if err != nil {
return helper.DecorateError(codes.NotFound, fmt.Errorf("revision not found %q", revision))
}
revision = string(defaultBranch)
}
if !git.IsValidRef(stream.Context(), repo, revision) {
return stream.Send(&gitalypb.ListFilesResponse{})
}
if err := listFiles(repo, revision, stream); err != nil {
return helper.ErrInternal(err)
}
return nil
}
func validateListFilesRequest(in *gitalypb.ListFilesRequest) error {
if err := git.ValidateRevisionAllowEmpty(in.Revision); err != nil {
return helper.ErrInvalidArgument(err)
}
return nil
}
func listFiles(repo *gitalypb.Repository, revision string, stream gitalypb.CommitService_ListFilesServer) error {
args := []string{"ls-tree", "-z", "-r", "--full-tree", "--full-name", "--", revision}
cmd, err := git.Command(stream.Context(), repo, args...)
if err != nil {
return err
}
sender := chunk.New(&listFilesSender{stream: stream})
for parser := lstree.NewParser(cmd); ; {
entry, err := parser.NextEntry()
if err == io.EOF {
break
}
if err != nil {
return err
}
if entry.Type != lstree.Blob {
continue
}
if err := sender.Send([]byte(entry.Path)); err != nil {
return err
}
}
return sender.Flush()
}
type listFilesSender struct {
stream gitalypb.CommitService_ListFilesServer
response *gitalypb.ListFilesResponse
}
func (s *listFilesSender) Reset() { s.response = &gitalypb.ListFilesResponse{} }
func (s *listFilesSender) Send() error { return s.stream.Send(s.response) }
func (s *listFilesSender) Append(it chunk.Item) {
s.response.Paths = append(s.response.Paths, it.([]byte))
}
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