Mercurial > public > mercurial-scm > hg-stable

diff mercurial/config.py @ 31383:d30fb3de4b40

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config: avoid using a mutable default Nothing *currently* mutates this list, but the moment something does it'll be shared between all config instances. Avoid this eventuality.
author Martijn Pieters <mjpieters@fb.com>
date Sun, 12 Mar 2017 12:56:12 -0700
parents c920efa9d34b
children a7c687c35119
line wrap: on
line diff
--- a/mercurial/config.py	Fri Aug 05 14:09:04 2016 +0200
+++ b/mercurial/config.py	Sun Mar 12 12:56:12 2017 -0700
@@ -18,11 +18,11 @@
 )
 
 class config(object):
-    def __init__(self, data=None, includepaths=[]):
+    def __init__(self, data=None, includepaths=None):
         self._data = {}
         self._source = {}
         self._unset = []
-        self._includepaths = includepaths
+        self._includepaths = includepaths or []
         if data:
             for k in data._data:
                 self._data[k] = data[k].copy()