ruby - How do I precompile assets for a PhoneGap app deployed to Heroku using Guard and Rake? -

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i deploy www/ of (phonegap) app heroku. prefer haml/sass/coffeescript created guardfile automatically generate html/css/js , copy src/ www/. added www/ .gitignore. deploy heroku , have rake assets:precompile generate 'slug'/www/ directory. added rakefile according guard example

require 'guard'  namespace :assets   desc "precompile assets - build whole app"   task :precompile     guard.run_all   end end

however when try run locally, run_all fails.

c:\users\chloe\workspace\typefunctions>bundle exec rake assets:precompile rake aborted! nomethoderror: undefined method `run_all' guard:module c:/users/chloe/workspace/typefunctions/rakefile:6:in `block (2 levels) in <top (required)>' tasks: top => assets:precompile (see full trace running task --trace)

how can fix this? (or there better way?)

i had add 

require 'guard/commander'

(wiki source)

and 

guard.setup

despite the wiki explicitly saying # can omit call guard.setup, guard.run_all call guard.setup under hood if guard has not been setuped yet.

and seem need bundle exec....


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