# HG changeset patch
# User Steve Borho <steve@borho.org>
# Date 2009-12-30 05:59:41
# Node ID c31ac3f7fd8f83ff728bfda18e2d0a5276f2bff8
# Parent  000546ec7ced7bda60b06fb3ad5b37209958e8d9

windows: expand environment vars in find_exe

This allows us to use ${ProgramFiles} in our [merge-tools] sections so
we can provide locale safe program paths.

diff --git a/mercurial/windows.py b/mercurial/windows.py
--- a/mercurial/windows.py
+++ b/mercurial/windows.py
@@ -203,7 +203,7 @@ def find_exe(command):
         executable = findexisting(os.path.join(path, command))
         if executable is not None:
             return executable
-    return None
+    return findexisting(os.path.expanduser(os.path.expandvars(command)))
 
 def set_signal_handler():
     try: