[PATCH 1 of 1] allow clone into existing but empty directories

[Steve Borho]

# HG changeset patch
# User Steve Borho <steve at borho.org>
# Date 1238358956 18000
# Node ID d33bf06e0d4e54fff29e414aa066b30c89cd4c0c
# Parent  67e59a9886d5902de5b94cd2552d854b6292ec63
allow clone into existing but empty directories

diff --git a/mercurial/hg.py b/mercurial/hg.py
--- a/mercurial/hg.py
+++ b/mercurial/hg.py
@@ -131,7 +131,10 @@
     source = localpath(source)
 
     if os.path.exists(dest):
-        raise util.Abort(_("destination '%s' already exists") % dest)
+        if not os.path.isdir(dest):
+            raise util.Abort(_("destination '%s' already exists") % dest)
+        elif os.listdir(dest):
+            raise util.Abort(_("destination '%s' is not empty") % dest)
 
     class DirCleanup(object):
         def __init__(self, dir_):