convert $path global to a gollum_path sinatra setting

bin/gollum

@@ -38,7 +38,7 @@ end
 # Read command line options into `options` hash
 opts.parse!
 
-$path = ARGV[0] || Dir.pwd
+gollum_path = ARGV[0] || Dir.pwd
 
 if options['irb']
   require 'irb'
@@ -67,9 +67,10 @@ if options['irb']
   end
 
   require 'gollum'
-  wiki = Gollum::Wiki.new $path
+  wiki = Gollum::Wiki.new gollum_path
   IRB.start_session binding
 else
   require 'gollum/frontend/app'
+  Precious::App.set :gollum_path, gollum_path
   Precious::App.run!(options)
 end

lib/gollum/frontend/app.rb

@@ -12,6 +12,7 @@ module Precious
     dir = File.dirname(File.expand_path(__FILE__))
 
     # We want to serve public assets for now
+
     set :public,    "#{dir}/public"
     set :static,    true
 
@@ -40,7 +41,7 @@ module Precious
 
     get '/edit/:name' do
       @name = params[:name]
-      wiki = Gollum::Wiki.new($path)
+      wiki = Gollum::Wiki.new(settings.gollum_path)
       if page = wiki.page(@name)
         @page = page
         @content = page.raw_data
@@ -52,7 +53,7 @@ module Precious
 
     post '/edit/:name' do
       name   = params[:name]
-      wiki   = Gollum::Wiki.new($path)
+      wiki   = Gollum::Wiki.new(settings.gollum_path)
       page   = wiki.page(name)
       format = params[:format].intern
       name   = params[:rename] if params[:rename]
@@ -64,7 +65,7 @@ module Precious
 
     post '/create/:name' do
       name = params[:page]
-      wiki = Gollum::Wiki.new($path)
+      wiki = Gollum::Wiki.new(settings.gollum_path)
 
       format = params[:format].intern
 
@@ -80,13 +81,13 @@ module Precious
     post '/preview' do
       format = params['wiki_format']
       data = params['text']
-      wiki = Gollum::Wiki.new($path)
+      wiki = Gollum::Wiki.new(settings.gollum_path)
       wiki.preview_page("Preview", data, format).formatted_data
     end
 
     get '/history/:name' do
       @name     = params[:name]
-      wiki      = Gollum::Wiki.new($path)
+      wiki      = Gollum::Wiki.new(settings.gollum_path)
       @page     = wiki.page(@name)
       @page_num = [params[:page].to_i, 1].max
       @versions = @page.versions :page => @page_num
@@ -108,7 +109,7 @@ module Precious
     get '/compare/:name/:version_list' do
       @name     = params[:name]
       @versions = params[:version_list].split(/\.{2,3}/)
-      wiki      = Gollum::Wiki.new($path)
+      wiki      = Gollum::Wiki.new(settings.gollum_path)
       @page     = wiki.page(@name)
       diffs     = wiki.repo.diff(@versions.first, @versions.last, @page.path)
       @diff     = diffs.first
@@ -117,7 +118,7 @@ module Precious
 
     get %r{/(.+?)/([0-9a-f]{40})} do
       name = params[:captures][0]
-      wiki = Gollum::Wiki.new($path)
+      wiki = Gollum::Wiki.new(settings.gollum_path)
       if page = wiki.page(name, params[:captures][1])
         @page = page
         @name = name
@@ -133,7 +134,7 @@ module Precious
     end
 
     def show_page_or_file(name)
-      wiki = Gollum::Wiki.new($path)
+      wiki = Gollum::Wiki.new(settings.gollum_path)
       if page = wiki.page(name)
         @page = page
         @name = name