# HG changeset patch
# User Matt Mackall <mpm@selenic.com>
# Date 2011-06-24 18:35:03
# Node ID f5765353d4300a879ec44590ee658cd78736053c
# Parent  94eea58da2a309403a34e6fa69b8df4992ae542e

merge with stable

diff --git a/contrib/casesmash.py b/contrib/casesmash.py
new file mode 100644
--- /dev/null
+++ b/contrib/casesmash.py
@@ -0,0 +1,34 @@
+import sys, os, __builtin__
+from mercurial import util
+
+def lowerwrap(scope, funcname):
+    f = getattr(scope, funcname)
+    def wrap(fname, *args, **kwargs):
+        d, base = os.path.split(fname)
+        try:
+            files = os.listdir(d or '.')
+        except OSError, inst:
+            files = []
+        if base in files:
+            return f(fname, *args, **kwargs)
+        for fn in files:
+            if fn.lower() == base.lower():
+                return f(os.path.join(d, fn), *args, **kwargs)
+        return f(fname, *args, **kwargs)
+    scope.__dict__[funcname] = wrap
+
+def normcase(path):
+    return path.lower()
+
+os.path.normcase = normcase
+
+for f in 'file open'.split():
+    lowerwrap(__builtin__, f)
+
+for f in "chmod chown open lstat stat remove unlink".split():
+    lowerwrap(os, f)
+
+for f in "exists lexists".split():
+    lowerwrap(os.path, f)
+
+lowerwrap(util, 'posixfile')