From 985f9c5376387c2273340ea9e325e5b9a0c1b473 Mon Sep 17 00:00:00 2001
From: Eric Wieser <wieser.eric@gmail.com>
Date: Mon, 3 Nov 2014 17:57:19 +0000
Subject: Make `root='/'` work cross-platform

If `root` already ends in `os.sep`, don't add another one.
`abspath` strips trailing slashes from all paths _except_ root (C:\, /)
---
 bottle.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bottle.py b/bottle.py
index f6add8a..4787e08 100644
--- a/bottle.py
+++ b/bottle.py
@@ -2352,7 +2352,7 @@ def static_file(filename, root, mimetype='auto', download=False, charset='UTF-8'
             mime-type. (default: UTF-8)
     """
 
-    root = os.path.abspath(root) + os.sep
+    root = os.path.join(os.path.abspath(root), '')
     filename = os.path.abspath(os.path.join(root, filename.strip('/\\')))
     headers = dict()
 
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