Avoid using Rugged in Gitlab::Git::Wiki#preview_slugfix/avoid-using-rugged-in-wiki-preview-slug

1 files changed, 9 insertions, 1 deletions

diff --git a/lib/gitlab/git/wiki.rb b/lib/gitlab/git/wiki.rb
index e7b2f52a552..b4c886db729 100644
--- a/lib/gitlab/git/wiki.rb
+++ b/lib/gitlab/git/wiki.rb
@@ -80,7 +80,15 @@ module Gitlab
       end
 
       def preview_slug(title, format)
-        gollum_wiki.preview_page(title, '', format).url_path
+        # Adapted from gollum gem (Gollum::Wiki#preview_page) to avoid
+        # using Rugged through a Gollum::Wiki instance
+        page_class = Gollum::Page
+        page = page_class.new(nil)
+        ext = page_class.format_to_ext(format.to_sym)
+        name = page_class.cname(title) + '.' + ext
+        blob = OpenStruct.new(name: name)
+        page.populate(blob)
+        page.url_path
       end
 
       private