# HG changeset patch
# User Adrian Buehlmann <adrian@cadifra.com>
# Date 1314262996 -7200
# Node ID 81f33be0ea794aa77b95b225de009240d73b525b
# Parent  774da7121fc999f6e8f963bb9a671e010e4e63fb
util: postpone and reorder parent calculation in makedirs

diff -r 774da7121fc9 -r 81f33be0ea79 mercurial/util.py
--- a/mercurial/util.py	Thu Aug 25 20:21:04 2011 -0400
+++ b/mercurial/util.py	Thu Aug 25 11:03:16 2011 +0200
@@ -779,13 +779,15 @@
 
 def makedirs(name, mode=None):
     """recursive directory creation with parent mode inheritance"""
-    parent = os.path.abspath(os.path.dirname(name))
     try:
         os.mkdir(name)
     except OSError, err:
         if err.errno == errno.EEXIST:
             return
-        if not name or parent == name or err.errno != errno.ENOENT:
+        if err.errno != errno.ENOENT or not name:
+            raise
+        parent = os.path.dirname(os.path.abspath(name))
+        if parent == name:
             raise
         makedirs(parent, mode)
         os.mkdir(name)