capistrano3 - How to pass arguments to Capistrano 3 tasks in deploy.rb -

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here tutorial how pass parameters capistrano 3 task.

namespace :task   desc 'execute specific cmd task'   task :invoke, :command |task, args|     on roles(:app)       execute :cmd, args[:command]     end   end end

can executed with:

$ cap staging "task:invoke[arg]"

how can use in deploy.rb? following not work.

before :started, "task:invoke[arg]"

not sure before/after, capistrano 3 can use rake syntax , call task within task:

rake::task["mynamespace:mytask"].invoke(arg)

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