format: idxfile, support for >2Gb packfiles

1 files changed, 14 insertions, 0 deletions

diff --git a/plumbing/format/idxfile/decoder.go b/plumbing/format/idxfile/decoder.go
index 4243f76..f361213 100644
--- a/plumbing/format/idxfile/decoder.go
+++ b/plumbing/format/idxfile/decoder.go
@@ -123,6 +123,7 @@ func readCRC32(idx *Idxfile, r io.Reader) error {
 
 func readOffsets(idx *Idxfile, r io.Reader) error {
 	c := int(idx.ObjectCount)
+
 	for i := 0; i < c; i++ {
 		o, err := binary.ReadUint32(r)
 		if err != nil {
@@ -132,6 +133,19 @@ func readOffsets(idx *Idxfile, r io.Reader) error {
 		idx.Entries[i].Offset = uint64(o)
 	}
 
+	for i := 0; i < c; i++ {
+		if idx.Entries[i].Offset <= offsetLimit {
+			continue
+		}
+
+		o, err := binary.ReadUint64(r)
+		if err != nil {
+			return err
+		}
+
+		idx.Entries[i].Offset = o
+	}
+
 	return nil
 }