executing a task without triggered "chained callbacks" ?

[henrique matias]

Hello Folks,

On my deploy.rb i have a few tasks which are chained to others, but some times i would like to execute them without triggering the chained ones...

Am trying to find a "magic parameter" on docs, but perhaps am not the beset doc explorer ( :

peace

[Lee Hambley]

You have to change them so that you have my_task, no prerequisites, and something like my_task_with_prerequisites

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[henrique matias]

nice one.

so i can have a task my_task_with_prerequisites and then inside of it, just call:

my_namespace.my_task_without_prequisites

that's rings me a refactor bell !

thanks a lot!

[henrique matias]

am going to end up, having a "deploy" branch, without my rails app, just with clean capistrano tasks / CapFile..

so i can have pure capistrano magic, and a readme file explainaing everything, otherwise will be hell to remember the correct procedures on mondays...

thanks a lot!

[Lee Hambley]

Have fun! Friday Refactorfest!

[Donovan Bray]

What I do is create my call chains based on a top level task like deploy or deploy:migrations

on :start, :only => :deploy do

  after "deploy:update_code", :bar

  before :bar, :foo

end

task :bar do

   logger.info "bar"

end

task :foo do

  logger.info "foo"

end

You can call foo and bar independently outside of a deploy. But during a deploy they will run in the correct order. 

--

[Donovan Bray]

I've used this method to change which roles to use not to avoid callbacks as I mentioned how I deal with that earlier. But if you do use this remember you can make the body of the task a method and call the same method inside your different task and they will work based on the context of the task they are called inside. 

def logfoo

  logger.info "foo"

end

after :foo, :bar

task :foo do

  logfoo

end

task :bar do

  logger.info "bar"

end

task :foo_no_bar do

  logfoo

end

[henrique matias]

super sexy !

thanks a lot !