From patchwork Wed Nov  8 17:31:36 2017
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Subject: D1347: dirstate: make map implementation overridable
From: phabricator <phabricator@mercurial-scm.org>
X-Patchwork-Id: 25431
Message-Id: <differential-rev-PHID-DREV-7avkf6gzszjxyiswfhp4-req@phab.mercurial-scm.org>
To: mercurial-devel@mercurial-scm.org
Date: Wed, 8 Nov 2017 17:31:36 +0000

mbthomas created this revision.
Herald added a subscriber: mercurial-devel.
Herald added a reviewer: hg-reviewers.

REVISION SUMMARY
  Other implementations of dirstate will want to replace the class used for the
  dirstate map.  Allow this to happen by making the class an attribute of the
  dirstate.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D1347

AFFECTED FILES
  mercurial/dirstate.py

CHANGE DETAILS




To: mbthomas, #hg-reviewers
Cc: mercurial-devel

diff --git a/mercurial/dirstate.py b/mercurial/dirstate.py
--- a/mercurial/dirstate.py
+++ b/mercurial/dirstate.py
@@ -80,6 +80,7 @@
         self._plchangecallbacks = {}
         self._origpl = None
         self._updatedfiles = set()
+        self._mapcls = dirstatemap
 
     @contextlib.contextmanager
     def parentchange(self):
@@ -128,7 +129,7 @@
     @propertycache
     def _map(self):
         '''Returns the dirstate map.'''
-        self._map = dirstatemap(self._ui, self._opener, self._root)
+        self._map = self._mapcls(self._ui, self._opener, self._root)
         return self._map
 
     @property