# HG changeset patch
# User Martin von Zweigbergk <martinvonz@google.com>
# Date 1522683788 25200
# Node ID 32857300846c6c42570565138b5371e46634f9da
# Parent  9233620105258d52736d8041133bf6276a1c034e
subrepo: use repo['.'] instead of repo['']

The "state" value (a revision) passed to abstractsubrepo.phase() can
be '' to represent the currently checked out revisions. Let's convert
that to the more common '.'.

I think this is the last of use of repo['.'] in core.

Differential Revision: https://phab.mercurial-scm.org/D3019

diff -r 923362010525 -r 32857300846c mercurial/subrepo.py
--- a/mercurial/subrepo.py	Tue Apr 03 00:12:29 2018 +0530
+++ b/mercurial/subrepo.py	Mon Apr 02 08:43:08 2018 -0700
@@ -603,7 +603,7 @@
 
     @annotatesubrepoerror
     def phase(self, state):
-        return self._repo[state].phase()
+        return self._repo[state or '.'].phase()
 
     @annotatesubrepoerror
     def remove(self):