# Handle v2 fetch remote ERR packets

`6097620`→[main](/content/gh/entireio/git-sync/commits/main/index.html)·

pjbgf·2mo ago·2 files·+36 added/-0 removed

## Changes

2

- internal/gitproto

- Mfetch.go+6

- Mfetch_test.go+30

```
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continue
		case PacketData:
			line := string(payload)
			if strings.HasPrefix(line, "ERR ") {
				return errors.New("remote: " + line[4:])
			}
			switch line {
			case "packfile\n":
				demux := sideband.NewDemuxer(sideband.Sideband64k, reader.BufReader())
30 unmodified lines

continue
			case PacketData:
				line := string(payload)
				if strings.HasPrefix(line, "ERR ") {
					return nil, errors.New("remote: " + line[4:])
				}
			switch line {
			case "packfile\n":
				demux := sideband.NewDemuxer(sideband.Sideband64k, reader.BufReader())
```

Minternal/gitproto/fetch.go+6

```
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}
}

func TestStoreV2FetchPackReturnsRemoteError(t *testing.T) {
	var wire bytes.Buffer
	if _, err := pktline.WriteString(&wire, "ERR upload-pack: not our ref"); err != nil {
		t.Fatalf("write remote error: %v", err)
	}

err := storeV2FetchPack(memory.NewStorage(), &wire, false)
	if err == nil {
		t.Fatal("expected remote error")
	}
	if got, want := err.Error(), "remote: upload-pack: not our ref"; got != want {
		t.Fatalf("error = %q, want %q", got, want)
	}
}

func TestOpenV2PackStreamReturnsRemoteError(t *testing.T) {
	var wire bytes.Buffer
	if _, err := pktline.WriteString(&wire, "ERR upload-pack: not our ref"); err != nil {
		t.Fatalf("write remote error: %v", err)
	}

_, err := openV2PackStream(io.NopCloser(&wire), false)
	if err == nil {
		t.Fatal("expected remote error")
	}
	if got, want := err.Error(), "remote: upload-pack: not our ref"; got != want {
		t.Fatalf("error = %q, want %q", got, want)
	}
}

func TestFetchPackV2ReturnedReaderClosesBodyOnInterruption(t *testing.T) {
	ep, err := transport.ParseURL("https://example.com/repo.git")
	if err != nil {