[PATCH 01 of 12] phases: Minimal first add

[pierre-yves.david at logilab.fr]

# HG changeset patch
# User Pierre-Yves David <pierre-yves.david at ens-lyon.org>
# Date 1318154849 -7200
# Node ID 5c3fed361df6eb56d8cadc2e7118c87430010e0e
# Parent  1447cf424bdffec9605407c92fce58dee25ff4c0
phases: Minimal first add.

diff --git a/mercurial/phases.py b/mercurial/phases.py
new file mode 100644
--- /dev/null
+++ b/mercurial/phases.py
@@ -0,0 +1,11 @@
+# Mercurial phases support code
+#
+# Copyright 2011 Pierre-Yves David <pierre-yves.david at ens-lyon.org>
+#                Logilab SA        <contact at logilab.fr>
+#                Augie Fackler     <durin42 at gmail.com>
+#
+# 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]