[PATCH 3 of 3 stable] hg: note that islocal only accepts paths pointing to repos

[Siddharth Agarwal]

# HG changeset patch
# User Siddharth Agarwal <sid0 at fb.com>
# Date 1391466980 28800
#      Mon Feb 03 14:36:20 2014 -0800
# Branch stable
# Node ID 67d654780ba7446e374396b74590a431d08607b4
# Parent  a2661fa3b83547321cdd07bb7b24210b35870198
hg: note that islocal only accepts paths pointing to repos

hg.islocal doesn't work for paths pointing to non-repos, such as patch files.

diff --git a/mercurial/hg.py b/mercurial/hg.py
--- a/mercurial/hg.py
+++ b/mercurial/hg.py
@@ -82,7 +82,7 @@
         return thing
 
 def islocal(repo):
-    '''return true if repo or path is local'''
+    '''return true if repo (or path pointing to repo) is local'''
     if isinstance(repo, str):
         try:
             return _peerlookup(repo).islocal(repo)