From 25664f89acc1f25228e97a5169f0e7255124df2a Mon Sep 17 00:00:00 2001
From: Sean McGivern <sean@gitlab.com>
Date: Fri, 6 Jul 2018 13:44:45 +0100
Subject: [PATCH] Don't include a double slash when rewriting the URL

---
 lib/gitlab/hook_data/base_builder.rb | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/gitlab/hook_data/base_builder.rb b/lib/gitlab/hook_data/base_builder.rb
index da0f4e6105e..1e90a2b3fe1 100644
--- a/lib/gitlab/hook_data/base_builder.rb
+++ b/lib/gitlab/hook_data/base_builder.rb
@@ -22,7 +22,10 @@ module Gitlab
 
         markdown_text.gsub(MARKDOWN_SIMPLE_IMAGE) do
           if $~[:image]
-            "![#{$~[:title]}](#{Gitlab.config.gitlab.url}/#{$~[:url]})"
+            url = $~[:url]
+            url = "/#{url}" unless url.start_with?('/')
+
+            "![#{$~[:title]}](#{Gitlab.config.gitlab.url}#{url})"
           else
             $~[0]
           end