[gnome-ostree] testbase: Use the new APIs for writing refs

[Jasper St. Pierre <jstpierre src gnome org>]

commit a2f9d5046551cba6fd7330c09537893954c6a34e
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Fri Sep 6 19:28:37 2013 -0400

    testbase: Use the new APIs for writing refs

 src/js/tasks/testbase.js |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/src/js/tasks/testbase.js b/src/js/tasks/testbase.js
index b9c468e..1718794 100644
--- a/src/js/tasks/testbase.js
+++ b/src/js/tasks/testbase.js
@@ -401,13 +401,15 @@ const TestBase = new Lang.Class({
         let buildData = this._buildData;
         if (buildJson != null && this.CompletedTag !== null) {
             let snapshot = buildData['snapshot'];
+            this.ostreeRepo.prepare_transaction();
             for (let targetName in buildData['targets']) {
                 let targetRev = buildData['targets'][targetName];
                 let lastSlash = targetName.lastIndexOf('/');
                 let testedRefName = snapshot['osname'] + '/' + this.CompletedTag + 
targetName.substr(lastSlash);
-                this.ostreeRepo.write_ref(null, testedRefName, targetRev);
+                this.ostreeRepo.transaction_set_ref(null, testedRefName, targetRev);
                 print(Format.vprintf("Wrote ref: %s => %s", [testedRefName, targetRev]));
             }
+            this.ostreeRepo.commit_transaction();
         } else {
             print("No build json found, not tagging");
         }