From 3829c8fd7f52a942e1cda1268694f7eaefa89408 Mon Sep 17 00:00:00 2001
From: Keegan McAllister <keegan@humbughq.com>
Date: Tue, 4 Dec 2012 14:04:34 -0500
Subject: [PATCH] bugdown: Assume http:// for links without a protocol

It's unlikely that users want relative links within humbughq.com.

Fixes #447.

(imported from commit d43a5758e6df448b07f56dc2de28078adaab8aeb)
---
 zephyr/lib/bugdown/__init__.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/zephyr/lib/bugdown/__init__.py b/zephyr/lib/bugdown/__init__.py
index 01c63a1ca4..a21561512f 100644
--- a/zephyr/lib/bugdown/__init__.py
+++ b/zephyr/lib/bugdown/__init__.py
@@ -65,6 +65,12 @@ class LinkPattern(markdown.inlinepatterns.Pattern):
             # Bad url - so bad it couldn't be parsed.
             return ''
 
+        # Humbug modification: If scheme is not specified, assume http://
+        # It's unlikely that users want relative links within humbughq.com.
+        # We re-enter sanitize_url because netloc etc. need to be re-parsed.
+        if not scheme:
+            return self.sanitize_url('http://' + url)
+
         locless_schemes = ['', 'mailto', 'news']
         if netloc == '' and scheme not in locless_schemes:
             # This fails regardless of anything else.