fix wrong dir

patchfile.gemspec

@@ -36,7 +36,9 @@ if !Dir.exist?("#{ENV['PWD']}"+"/app/assets/stylesheets/lib/jquery-ui-1.12.1/")
 		puts "There is an error in coppying jquery-ui"
 	end
 end
-`git add  app/templates/ app/assets  built_in_extensions.rb  config/mongoid.yml bin/` #using git to add modified files and to avoid git pull not working
+Dir.chdir(ENV['PWD']) do
+	`git add  app/templates/ app/assets  built_in_extensions.rb  config/mongoid.yml bin/` #using git to add modified files and to avoid git pull not working
+end
 #Add patchfile to Admin area
 @patchfile_li = File.read(app_path+"/patchfile_li.txt")
 @patchfile_li_choices = File.read(app_path+"/patchfile_li_choices.txt")