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package ref
import (
"bytes"
"fmt"
"io"
"gitlab.com/gitlab-org/gitaly/internal/git"
"gitlab.com/gitlab-org/gitaly/internal/git/catfile"
"gitlab.com/gitlab-org/gitaly/internal/helper"
"gitlab.com/gitlab-org/gitaly/v14/proto/go/gitalypb"
"gitlab.com/gitlab-org/gitaly/v14/streamio"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func (s *server) GetTagMessages(request *gitalypb.GetTagMessagesRequest, stream gitalypb.RefService_GetTagMessagesServer) error {
if err := validateGetTagMessagesRequest(request); err != nil {
return status.Errorf(codes.InvalidArgument, "GetTagMessages: %v", err)
}
if err := s.getAndStreamTagMessages(request, stream); err != nil {
return helper.ErrInternal(err)
}
return nil
}
func validateGetTagMessagesRequest(request *gitalypb.GetTagMessagesRequest) error {
if request.GetRepository() == nil {
return fmt.Errorf("empty Repository")
}
return nil
}
func (s *server) getAndStreamTagMessages(request *gitalypb.GetTagMessagesRequest, stream gitalypb.RefService_GetTagMessagesServer) error {
ctx := stream.Context()
repo := s.localrepo(request.GetRepository())
objectReader, cancel, err := s.catfileCache.ObjectReader(ctx, repo)
if err != nil {
return err
}
defer cancel()
for _, tagID := range request.GetTagIds() {
tag, err := catfile.GetTag(ctx, objectReader, git.Revision(tagID), "")
if err != nil {
return fmt.Errorf("failed to get tag: %v", err)
}
if err := stream.Send(&gitalypb.GetTagMessagesResponse{TagId: tagID}); err != nil {
return err
}
sw := streamio.NewWriter(func(p []byte) error {
return stream.Send(&gitalypb.GetTagMessagesResponse{Message: p})
})
msgReader := bytes.NewReader(tag.Message)
if _, err = io.Copy(sw, msgReader); err != nil {
return fmt.Errorf("failed to send response: %v", err)
}
}
return nil
}
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