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path: root/plumbing/format/packfile/diff_delta.go
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Diffstat (limited to 'plumbing/format/packfile/diff_delta.go')
-rw-r--r--plumbing/format/packfile/diff_delta.go13
1 files changed, 6 insertions, 7 deletions
diff --git a/plumbing/format/packfile/diff_delta.go b/plumbing/format/packfile/diff_delta.go
index d35e78a..43f87a0 100644
--- a/plumbing/format/packfile/diff_delta.go
+++ b/plumbing/format/packfile/diff_delta.go
@@ -40,8 +40,8 @@ func getDelta(index *deltaIndex, base, target plumbing.EncodedObject) (plumbing.
defer tr.Close()
bb := bufPool.Get().(*bytes.Buffer)
- bb.Reset()
defer bufPool.Put(bb)
+ bb.Reset()
_, err = bb.ReadFrom(br)
if err != nil {
@@ -49,8 +49,8 @@ func getDelta(index *deltaIndex, base, target plumbing.EncodedObject) (plumbing.
}
tb := bufPool.Get().(*bytes.Buffer)
- tb.Reset()
defer bufPool.Put(tb)
+ tb.Reset()
_, err = tb.ReadFrom(tr)
if err != nil {
@@ -77,6 +77,7 @@ func DiffDelta(src, tgt []byte) []byte {
func diffDelta(index *deltaIndex, src []byte, tgt []byte) []byte {
buf := bufPool.Get().(*bytes.Buffer)
+ defer bufPool.Put(buf)
buf.Reset()
buf.Write(deltaEncodeSize(len(src)))
buf.Write(deltaEncodeSize(len(tgt)))
@@ -86,6 +87,7 @@ func diffDelta(index *deltaIndex, src []byte, tgt []byte) []byte {
}
ibuf := bufPool.Get().(*bytes.Buffer)
+ defer bufPool.Put(ibuf)
ibuf.Reset()
for i := 0; i < len(tgt); i++ {
offset, l := index.findMatch(src, tgt, i)
@@ -127,12 +129,9 @@ func diffDelta(index *deltaIndex, src []byte, tgt []byte) []byte {
}
encodeInsertOperation(ibuf, buf)
- bytes := buf.Bytes()
-
- bufPool.Put(buf)
- bufPool.Put(ibuf)
- return bytes
+ // buf.Bytes() is only valid until the next modifying operation on the buffer. Copy it.
+ return append([]byte{}, buf.Bytes()...)
}
func encodeInsertOperation(ibuf, buf *bytes.Buffer) {