add custom refdb backend support

1 files changed, 50 insertions, 0 deletions

diff --git a/refdb.go b/refdb.go
new file mode 100644
index 0000000..3b8ed03
--- /dev/null
+++ b/refdb.go
@@ -0,0 +1,50 @@
+package git
+
+/*
+#include <git2.h>
+#include <git2/errors.h>
+
+extern void _go_git_refdb_backend_free(git_refdb_backend *backend);
+*/
+import "C"
+import (
+	"runtime"
+)
+
+type Refdb struct {
+	ptr *C.git_refdb
+}
+
+type RefdbBackend struct {
+	ptr *C.git_refdb_backend
+}
+
+func (v *Repository) NewRefdb() (refdb *Refdb, err error) {
+	refdb = new(Refdb)
+
+	ret := C.git_refdb_new(&refdb.ptr, v.ptr)
+	if ret < 0 {
+		return nil, LastError()
+	}
+
+	runtime.SetFinalizer(refdb, (*Refdb).Free)
+	return
+}
+
+func NewRefdbBackendFromC(ptr *C.git_refdb_backend) (backend *RefdbBackend) {
+	backend = &RefdbBackend{ptr}
+	return
+}
+
+func (v *Refdb) SetBackend(backend *RefdbBackend) (err error) {
+	ret := C.git_refdb_set_backend(v.ptr, backend.ptr)
+	if ret < 0 {
+		backend.Free()
+		err = LastError()
+	}
+	return
+}
+
+func (v *RefdbBackend) Free() {
+	C._go_git_refdb_backend_free(v.ptr)
+}