diff --git a/subcmds/root.py b/subcmds/root.py
new file mode 100644
index 000000000..4b1b6cc53
--- /dev/null
+++ b/subcmds/root.py
@@ -0,0 +1,6 @@
+from command import Command
+
+
+class Root(Command):
+    def Execute(self, opt, args):
+        print(self.manifest.topdir)