Windows: Look for .exe extension when searching for a command in path.

Utility/Path.hs

@@ -181,7 +181,12 @@ searchPath command
 	| otherwise = getSearchPath >>= getM indir
   where
 	indir d = check $ d </> command
-	check f = ifM (doesFileExist f) ( return (Just f), return Nothing )
+	check f = firstM doesFileExist
+#ifdef __WINDOWS__
+		[f, f ++ ".exe"]
+#else
+		[f]
+#endif
 
 {- Checks if a filename is a unix dotfile. All files inside dotdirs
  - count as dotfiles. -}

debian/changelog

@@ -17,6 +17,7 @@ git-annex (4.20130628) UNRELEASED; urgency=low
     branch works.
   * addurl --pathdepth: Fix failure when the pathdepth specified is deeper
     than the urls's path.
+  * Windows: Look for .exe extension when searching for a command in path.
 
  -- Joey Hess <joeyh@debian.org>  Tue, 02 Jul 2013 15:40:55 -0400