libostree: Add new OstreeSysroot class

At the moment, just a container for a path, but we will start moving
admin functionality here.

src/libostree/ostree-sysroot.h

@@ -0,0 +1,42 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
+ *
+ * Copyright (C) 2013 Colin Walters <walters@verbum.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#pragma once
+
+#include "ostree-repo.h"
+
+G_BEGIN_DECLS
+
+#define OSTREE_TYPE_SYSROOT ostree_sysroot_get_type()
+#define OSTREE_SYSROOT(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST ((obj), OSTREE_TYPE_SYSROOT, OstreeSysroot))
+#define OSTREE_IS_SYSROOT(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), OSTREE_TYPE_SYSROOT))
+
+GType ostree_sysroot_get_type (void);
+
+OstreeSysroot* ostree_sysroot_new (GFile *path);
+
+OstreeSysroot* ostree_sysroot_new_default (void);
+
+GFile *ostree_sysroot_get_path (OstreeSysroot *self);
+
+G_END_DECLS
+