Merge pull request #393 from libgit2/cmn/keepalive-all-the-things

KeepAlive all the things

1 files changed, 7 insertions, 2 deletions

diff --git a/refdb.go b/refdb.go
index 4e3ebf9..578f43c 100644
--- a/refdb.go
+++ b/refdb.go
@@ -14,6 +14,7 @@ import (
 
 type Refdb struct {
 	ptr *C.git_refdb
+	r   *Repository
 }
 
 type RefdbBackend struct {
@@ -21,16 +22,17 @@ type RefdbBackend struct {
 }
 
 func (v *Repository) NewRefdb() (refdb *Refdb, err error) {
-	refdb = new(Refdb)
+	var ptr *C.git_refdb
 
 	runtime.LockOSThread()
 	defer runtime.UnlockOSThread()
 
-	ret := C.git_refdb_new(&refdb.ptr, v.ptr)
+	ret := C.git_refdb_new(&ptr, v.ptr)
 	if ret < 0 {
 		return nil, MakeGitError(ret)
 	}
 
+	refdb = &Refdb{ptr: ptr, r: v}
 	runtime.SetFinalizer(refdb, (*Refdb).Free)
 	return refdb, nil
 }
@@ -45,6 +47,8 @@ func (v *Refdb) SetBackend(backend *RefdbBackend) (err error) {
 	defer runtime.UnlockOSThread()
 
 	ret := C.git_refdb_set_backend(v.ptr, backend.ptr)
+	runtime.KeepAlive(v)
+	runtime.KeepAlive(backend)
 	if ret < 0 {
 		backend.Free()
 		return MakeGitError(ret)
@@ -53,5 +57,6 @@ func (v *Refdb) SetBackend(backend *RefdbBackend) (err error) {
 }
 
 func (v *RefdbBackend) Free() {
+	runtime.SetFinalizer(v, nil)
 	C._go_git_refdb_backend_free(v.ptr)
 }