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package diff
import (
"io"
"gitlab.com/gitlab-org/gitaly-proto/go/gitalypb"
"gitlab.com/gitlab-org/gitaly/internal/git"
"gitlab.com/gitlab-org/gitaly/streamio"
"golang.org/x/net/context"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func (s *server) RawDiff(in *gitalypb.RawDiffRequest, stream gitalypb.DiffService_RawDiffServer) error {
if err := validateRequest(in); err != nil {
return status.Errorf(codes.InvalidArgument, "RawDiff: %v", err)
}
cmdArgs := []string{"diff", "--full-index", in.LeftCommitId, in.RightCommitId}
sw := streamio.NewWriter(func(p []byte) error {
return stream.Send(&gitalypb.RawDiffResponse{Data: p})
})
return sendRawOutput(stream.Context(), "RawDiff", in.Repository, sw, cmdArgs)
}
func (s *server) RawPatch(in *gitalypb.RawPatchRequest, stream gitalypb.DiffService_RawPatchServer) error {
if err := validateRequest(in); err != nil {
return status.Errorf(codes.InvalidArgument, "RawPatch: %v", err)
}
cmdArgs := []string{"format-patch", "--stdout", in.LeftCommitId + ".." + in.RightCommitId}
sw := streamio.NewWriter(func(p []byte) error {
return stream.Send(&gitalypb.RawPatchResponse{Data: p})
})
return sendRawOutput(stream.Context(), "RawPatch", in.Repository, sw, cmdArgs)
}
func sendRawOutput(ctx context.Context, rpc string, repo *gitalypb.Repository, sender io.Writer, cmdArgs []string) error {
cmd, err := git.Command(ctx, repo, cmdArgs...)
if err != nil {
if _, ok := status.FromError(err); ok {
return err
}
return status.Errorf(codes.Internal, "%s: cmd: %v", rpc, err)
}
if _, err := io.Copy(sender, cmd); err != nil {
return status.Errorf(codes.Unavailable, "%s: send: %v", rpc, err)
}
return cmd.Wait()
}
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