[gnome-ostree] Replace `ostree init` with libostree usage.

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

commit e8464f5890158ac9df7d0ceaf2f7e9bbba388591
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Thu Sep 5 00:25:47 2013 -0400

    Replace `ostree init` with libostree usage.

 src/js/task.js             |    3 +++
 src/js/tasks/task-build.js |    8 --------
 2 files changed, 3 insertions(+), 8 deletions(-)
---
diff --git a/src/js/task.js b/src/js/task.js
index b1745cd..4007bd3 100644
--- a/src/js/task.js
+++ b/src/js/task.js
@@ -333,6 +333,9 @@ const Task = new Lang.Class({
        this.libdir = Gio.File.new_for_path(GLib.getenv('OSTBUILD_LIBDIR'));
        this.repo = this.workdir.get_child('repo');
         this.ostreeRepo = new OSTree.Repo({ path: this.repo });
+        if (!repo.get_path().query_exists(null))
+            repo.create(OSTree.RepoMode.ARCHIVE_Z2, null);
+        repo.open(null);
     },
 
     _getResultDb: function(taskname) {
diff --git a/src/js/tasks/task-build.js b/src/js/tasks/task-build.js
index 74e2e1e..b70738f 100644
--- a/src/js/tasks/task-build.js
+++ b/src/js/tasks/task-build.js
@@ -1217,14 +1217,6 @@ const TaskBuild = new Lang.Class({
        }
        print("building " + targetSourceVersion);
 
-       this.repo = this.workdir.get_child('repo');
-
-        GSystem.file_ensure_directory(this.repo, true, cancellable);
-        if (!this.repo.get_child('objects').query_exists(cancellable)) {
-            ProcUtil.runSync(['ostree', '--repo=' + this.repo.get_path(), 'init', '--mode=archive-z2'],
-                            cancellable);
-       }
-
         this._componentBuildCachePath = this.cachedir.get_child('component-builds.json');
         if (this._componentBuildCachePath.query_exists(cancellable)) {
             this._componentBuildCache = JsonUtil.loadJson(this._componentBuildCachePath, cancellable);