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package commit
import (
"bytes"
"fmt"
"io"
"gitlab.com/gitlab-org/gitaly/internal/git/catfile"
"gitlab.com/gitlab-org/gitaly/internal/git/log"
"gitlab.com/gitlab-org/gitaly/internal/helper"
"gitlab.com/gitlab-org/gitaly/proto/go/gitalypb"
"gitlab.com/gitlab-org/gitaly/streamio"
)
func (s *server) GetCommitMessages(request *gitalypb.GetCommitMessagesRequest, stream gitalypb.CommitService_GetCommitMessagesServer) error {
if err := validateGetCommitMessagesRequest(request); err != nil {
return helper.ErrInvalidArgument(err)
}
if err := s.getAndStreamCommitMessages(request, stream); err != nil {
return helper.ErrInternal(err)
}
return nil
}
func (s *server) getAndStreamCommitMessages(request *gitalypb.GetCommitMessagesRequest, stream gitalypb.CommitService_GetCommitMessagesServer) error {
ctx := stream.Context()
c, err := catfile.New(ctx, s.locator, request.GetRepository())
if err != nil {
return err
}
for _, commitID := range request.GetCommitIds() {
msg, err := log.GetCommitMessage(ctx, c, request.GetRepository(), commitID)
if err != nil {
return fmt.Errorf("failed to get commit message: %v", err)
}
msgReader := bytes.NewReader(msg)
if err := stream.Send(&gitalypb.GetCommitMessagesResponse{CommitId: commitID}); err != nil {
return err
}
sw := streamio.NewWriter(func(p []byte) error {
return stream.Send(&gitalypb.GetCommitMessagesResponse{Message: p})
})
_, err = io.Copy(sw, msgReader)
if err != nil {
return fmt.Errorf("failed to send response: %v", err)
}
}
return nil
}
func validateGetCommitMessagesRequest(request *gitalypb.GetCommitMessagesRequest) error {
if request.GetRepository() == nil {
return fmt.Errorf("empty Repository")
}
return nil
}
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