Speed up packfile reading

By adding a bufio to the trackingReader, otherwise most of the time
is spent in syscalls for small reads to the packfile.

1 files changed, 1 insertions, 1 deletions

diff --git a/formats/packfile/reader.go b/formats/packfile/reader.go
index 3ff342f..37918b1 100644
--- a/formats/packfile/reader.go
+++ b/formats/packfile/reader.go
@@ -59,7 +59,7 @@ func NewReader(r io.Reader) *Reader {
 	return &Reader{
 		MaxObjectsLimit: DefaultMaxObjectsLimit,
 
-		r:       &trackingReader{r: r},
+		r:       NewTrackingReader(r),
 		offsets: make(map[int64]core.Hash, 0),
 	}
 }