[PATCH 4 of 8 V3] subrepo: store the ui object in the base class

[Matt Harbison]

# HG changeset patch
# User Matt Harbison <matt_harbison at yahoo.com>
# Date 1417036418 18000
#      Wed Nov 26 16:13:38 2014 -0500
# Node ID 71bacffdfe45b9b262e8a3c7260375e1b0f0b29c
# Parent  da5bde55b5296f0cce6dd7582c0c5d1edb323ec8
subrepo: store the ui object in the base class

This will be used in the next patch to print a warning from the base class.  It
seems better than having to explicitly pass it to a new method, since a lot of
existing methods also require it.

diff --git a/mercurial/subrepo.py b/mercurial/subrepo.py
--- a/mercurial/subrepo.py
+++ b/mercurial/subrepo.py
@@ -372,6 +372,9 @@
 
 class abstractsubrepo(object):
 
+    def __init__(self, ui):
+        self._ui = ui
+
     def storeclean(self, path):
         """
         returns true if the repository has not changed since it was last
@@ -508,6 +511,7 @@
 
 class hgsubrepo(abstractsubrepo):
     def __init__(self, ctx, path, state):
+        super(hgsubrepo, self).__init__(ctx._repo.ui)
         self._path = path
         self._state = state
         r = ctx._repo
@@ -878,6 +882,7 @@
 
 class svnsubrepo(abstractsubrepo):
     def __init__(self, ctx, path, state):
+        super(svnsubrepo, self).__init__(ctx._repo.ui)
         self._path = path
         self._state = state
         self._ctx = ctx
@@ -1108,6 +1113,7 @@
 
 class gitsubrepo(abstractsubrepo):
     def __init__(self, ctx, path, state):
+        super(gitsubrepo, self).__init__(ctx._repo.ui)
         self._state = state
         self._ctx = ctx
         self._path = path