rails g ember:bootstrap fail if don't exists application.js file #64
Description
Tested in ember-rails 0.5.0 and 0.6.0
If app/assets/javascripts don't exists or not have any application.js file inside, this operation fail.
$ rails g ember:bootstrap
[EMBER-RAILS] ember.variant was not found in your current environment
insert app/assets/javascripts/application.js
/Users/javierav/.rvm/gems/ruby-1.9.3-p194/gems/thor-0.15.2/lib/thor/actions/inject_into_file.rb:99:in binread': No such file or directory - /Users/javierav/code/ember-demo/app/assets/javascripts/application.js (Errno::ENOENT) from /Users/javierav/.rvm/gems/ruby-1.9.3-p194/gems/thor-0.15.2/lib/thor/actions/inject_into_file.rb:99:inreplace!'
from /Users/javierav/.rvm/gems/ruby-1.9.3-p194/gems/thor-0.15.2/lib/thor/actions/inject_into_file.rb:60:in invoke!' from /Users/javierav/.rvm/gems/ruby-1.9.3-p194/gems/thor-0.15.2/lib/thor/actions.rb:95:inaction'
from /Users/javierav/.rvm/gems/ruby-1.9.3-p194/gems/thor-0.15.2/lib/thor/actions/inject_into_file.rb:31:in insert_into_file' from /Users/javierav/.rvm/gems/ruby-1.9.3-p194/gems/ember-rails-0.6.0/lib/generators/ember/bootstrap_generator.rb:17:ininject_ember'
from /Users/javierav/.rvm/gems/ruby-1.9.3-p194/gems/thor-0.15.2/lib/thor/task.rb:27:in run' from /Users/javierav/.rvm/gems/ruby-1.9.3-p194/gems/thor-0.15.2/lib/thor/invocation.rb:120:ininvoke_task'
from /Users/javierav/.rvm/gems/ruby-1.9.3-p194/gems/thor-0.15.2/lib/thor/invocation.rb:126:in block in invoke_all' from /Users/javierav/.rvm/gems/ruby-1.9.3-p194/gems/thor-0.15.2/lib/thor/invocation.rb:126:ineach'
from /Users/javierav/.rvm/gems/ruby-1.9.3-p194/gems/thor-0.15.2/lib/thor/invocation.rb:126:in map' from /Users/javierav/.rvm/gems/ruby-1.9.3-p194/gems/thor-0.15.2/lib/thor/invocation.rb:126:ininvoke_all'
from /Users/javierav/.rvm/gems/ruby-1.9.3-p194/gems/thor-0.15.2/lib/thor/group.rb:238:in dispatch' from /Users/javierav/.rvm/gems/ruby-1.9.3-p194/gems/thor-0.15.2/lib/thor/base.rb:408:instart'
from /Users/javierav/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.5/lib/rails/generators.rb:171:in invoke' from /Users/javierav/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.5/lib/rails/commands/generate.rb:12:in<top (required)>'
from /Users/javierav/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.5/lib/active_support/dependencies.rb:251:in require' from /Users/javierav/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.5/lib/active_support/dependencies.rb:251:inblock in require'
from /Users/javierav/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.5/lib/active_support/dependencies.rb:236:in load_dependency' from /Users/javierav/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.5/lib/active_support/dependencies.rb:251:inrequire'
from /Users/javierav/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.5/lib/rails/commands.rb:29:in <top (required)>' from script/rails:6:inrequire'
from script/rails:6:in `