Sinatra base url to allow subdirectories

lib/gollum/frontend/app.rb

@@ -67,6 +67,10 @@ module Precious
       enable :logging, :raise_errors, :dump_errors
     end
 
+    before do
+      @base_url = url('/')
+    end
+
     get '/' do
       show_page_or_file('Home')
     end
@@ -93,7 +97,7 @@ module Precious
           if @path
             live_preview_url << '&path=' + encodeURIComponent(@path)
           end
-          redirect live_preview_url
+          redirect to(live_preview_url)
         else
           @page = page
           @page.version = wiki.repo.log(wiki.ref, @page.path).first
@@ -122,7 +126,7 @@ module Precious
 
       page = wiki.page(params[:rename]) if params[:rename]
 
-      redirect "/#{page.escaped_url_path}"
+      redirect to("/#{page.escaped_url_path}")
     end
     
     get '/create/*' do
@@ -146,7 +150,7 @@ module Precious
       begin
         wiki.write_page(name, format, params[:content], commit_message)
         page = wiki.page(name)
-        redirect "/#{page.escaped_url_path}"
+        redirect to("/#{page.escaped_url_path}")
       rescue Gollum::DuplicatePageError => e
         @message = "Duplicate page: #{e.message}"
         mustache :error
@@ -164,7 +168,7 @@ module Precious
       sha2         = shas.shift
 
       if wiki.revert_page(@page, sha1, sha2, commit_message)
-        redirect "/#{@page.escaped_url_path}"
+        redirect to("/#{@page.escaped_url_path}")
       else
         sha2, sha1 = sha1, "#{sha1}^" if !sha2
         @versions = [sha1, sha2]
@@ -201,12 +205,13 @@ module Precious
       @file     = params[:splat].first
       @versions = params[:versions] || []
       if @versions.size < 2
-        redirect "/history/#{@file}"
+        redirect to("/history/#{@file}")
       else
-        redirect "/compare/%s/%s...%s" % [
+        redirect to("/compare/%s/%s...%s" % [
           @file,
           @versions.last,
           @versions.first]
+        )
       end
     end