Omniauth / omnigollum integration

Based on: https://github.com/remyd1/gollum/commit/925ebcfe04f294c979b9e088dc0955ca1dfa8c44

lib/gollum/app.rb

@@ -560,7 +560,6 @@ module Precious
         wiki         = wiki_new
         @results     = wiki.tree_list
 
-
         if path
           @path = Pathname.new(path).cleanpath.to_s
           check_path   = wiki.page_file_dir ? ::File.join(wiki.page_file_dir, @path, '/') : "#{@path}/"
@@ -625,12 +624,9 @@ module Precious
       end
     end
 
-    def folder_exists(path, wiki)
+    def show_page_or_file(fullpath)
-      paths = wiki.tree_list
+      wiki = wiki_new
-      return paths.any? { |item| item.path.start_with?(path) }
+      if page = wiki.page(fullpath)
-    end
-
-    def show_page(page, fullpath, wiki)
         @page          = page
         @name          = page.filename_stripped
         @content       = page.formatted_data
@@ -643,24 +639,11 @@ module Precious
         @bar_side      = wiki.bar_side
         @allow_uploads = wiki.allow_uploads
         @navbar        = true
-      return mustache :page
+        mustache :page
-    end
-
-    def show_page_or_file(fullpath)
-      wiki  = wiki_new
-
-      if fullpath[-1] != '/' ? page = wiki.page(fullpath) : false
-        show_page(page, fullpath, wiki)
-      elsif page = wiki.page("#{fullpath}/#{wiki.index_page}")
-        show_page(page, fullpath, wiki)
-      elsif page = wiki.page("#{fullpath}/#{File.basename(fullpath)}")
-        show_page(page, fullpath, wiki)
       elsif file = wiki.file(fullpath, wiki.ref, true)
         show_file(file)
       elsif @redirects_enabled && redirect_path = wiki.redirects[fullpath]
         redirect to("#{encodeURIComponent(redirect_path)}?redirected_from=#{encodeURIComponent(fullpath)}")
-      elsif folder_exists(fullpath, wiki)
-        redirect to("/gollum/overview/#{clean_url(encodeURIComponent(fullpath))}")
       else
         if @allow_editing && @user_authed
           path = fullpath[-1] == '/' ? "#{fullpath}#{wiki.index_page}" : fullpath # Append default index page if no page name is supplied