From 2f93ce39cc245ab77555ba5206003816fc6aa37a Mon Sep 17 00:00:00 2001
From: CMGS <ilskdw@gmail.com>
Date: Thu, 28 Aug 2014 15:40:21 +0800
Subject: [PATCH] embrace static types

---
 checkout.go | 18 +-----------------
 1 file changed, 1 insertion(+), 17 deletions(-)

diff --git a/checkout.go b/checkout.go
index 7ef2b3e..633303d 100644
--- a/checkout.go
+++ b/checkout.go
@@ -98,23 +98,7 @@ func (v *Repository) CheckoutIndex(index *Index, opts *CheckoutOpts) error {
 	return nil
 }
 
-func (v *Repository) CheckoutTree(treeish string, opts *CheckoutOpts) error {
-	obj, err := v.RevparseSingle(treeish)
-	if err != nil {
-		return err
-	}
-	defer obj.Free()
-
-	commit, err := v.LookupCommit(obj.Id())
-	if err != nil {
-		return err
-	}
-
-	tree, err := commit.Tree()
-	if err != nil {
-		return err
-	}
-
+func (v *Repository) CheckoutTree(tree *Tree, opts *CheckoutOpts) error {
 	runtime.LockOSThread()
 	defer runtime.UnlockOSThread()