# HG changeset patch
# User Brodie Rao <brodie@bitheap.org>
# Date 1301539856 25200
# Node ID 03dfe0c85c1a4d7df59adf8a23058046178a7a1e
# Parent  76593ef397ef4f1090f7957e847618c0160b76d2
url: move drive letter checking into has_drive_letter() for extensions

This will let the schemes extension override drive letter detection to
allow single letter schemes.

diff -r 76593ef397ef -r 03dfe0c85c1a mercurial/url.py
--- a/mercurial/url.py	Thu Mar 31 10:03:24 2011 -0500
+++ b/mercurial/url.py	Wed Mar 30 19:50:56 2011 -0700
@@ -67,7 +67,7 @@
         self._localpath = True
 
         # special case for Windows drive letters
-        if path[1:2] == ':' and path[0:1].isalpha():
+        if has_drive_letter(path):
             self.path = path
             return
 
@@ -211,6 +211,9 @@
 def has_scheme(path):
     return bool(url(path).scheme)
 
+def has_drive_letter(path):
+    return path[1:2] == ':' and path[0:1].isalpha()
+
 def hidepassword(u):
     '''hide user credential in a url string'''
     u = url(u)