Use Filemode in TreeBuilder.Insert, and add test coverage for some

TreeBuilder methods.

1 files changed, 1 insertions, 1 deletions

diff --git a/tree.go b/tree.go
index 8288176..eba9f3d 100644
--- a/tree.go
+++ b/tree.go
@@ -149,7 +149,7 @@ func (v *TreeBuilder) Free() {
 	C.git_treebuilder_free(v.ptr)
 }
 
-func (v *TreeBuilder) Insert(filename string, id *Oid, filemode int) error {
+func (v *TreeBuilder) Insert(filename string, id *Oid, filemode Filemode) error {
 	cfilename := C.CString(filename)
 	defer C.free(unsafe.Pointer(cfilename))