diff options
Diffstat (limited to 'plumbing/format/objfile')
| -rw-r--r-- | plumbing/format/objfile/writer.go | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/plumbing/format/objfile/writer.go b/plumbing/format/objfile/writer.go index 2a96a43..248f81b 100644 --- a/plumbing/format/objfile/writer.go +++ b/plumbing/format/objfile/writer.go @@ -5,6 +5,7 @@ import ( "errors" "io" "strconv" + "sync" "github.com/go-git/go-git/v5/plumbing" ) @@ -18,9 +19,9 @@ var ( // not close the underlying io.Writer. type Writer struct { raw io.Writer - zlib io.WriteCloser hasher plumbing.Hasher multi io.Writer + zlib io.WriteCloser closed bool pending int64 // number of unwritten bytes @@ -31,12 +32,21 @@ type Writer struct { // The returned Writer implements io.WriteCloser. Close should be called when // finished with the Writer. Close will not close the underlying io.Writer. func NewWriter(w io.Writer) *Writer { + zlib := zlibPool.Get().(*zlib.Writer) + zlib.Reset(w) + return &Writer{ raw: w, - zlib: zlib.NewWriter(w), + zlib: zlib, } } +var zlibPool = sync.Pool{ + New: func() interface{} { + return zlib.NewWriter(nil) + }, +} + // WriteHeader writes the type and the size and prepares to accept the object's // contents. If an invalid t is provided, plumbing.ErrInvalidType is returned. If a // negative size is provided, ErrNegativeSize is returned. @@ -100,6 +110,7 @@ func (w *Writer) Hash() plumbing.Hash { // Calling Close does not close the wrapped io.Writer originally passed to // NewWriter. func (w *Writer) Close() error { + defer zlibPool.Put(w.zlib) if err := w.zlib.Close(); err != nil { return err } |