phases: Minimal first add.

mercurial/phases.py

@@ -0,0 +1,11 b''
+# Mercurial phases support code
+#
+# Copyright 2011 Pierre-Yves David <[e-mail]>
+#                Logilab SA        <[e-mail]>
+#                Augie Fackler     <[e-mail]>
+#
+# This software may be used and distributed according to the terms of the
+# GNU General Public License version 2 or any later version.
+
+allphases = range(2)
+trackedphases = allphases[1:]