Sorry I wasn't clear. The defer() method is an alias for Proc.new. So
you'd just do:
:roles => defer { Capistrano::CLI.ui.ask(...) }
Or, if you prefer:
:roles => Proc.new { Capistrano::CLI.ui.ask(...) }
Some might say that adding defer() was dumb on my part, but I think it
reads much nicer than Proc.new. So, choose your poison. :)
- Jamis
On 1/16/09 3:45 PM, pete wrote:
> Ok, I know it's possible, but I seem to be messing this up...
>
> Would it be like this?
>
> task :test_task, :roles => defer { Proc.new { Capistrano::CLI.ui.ask
> ("Please specify ENV: " )} } do
> run "echo hi"
> end
>
>
> On Jan 16, 2:38 pm, Jamis Buck <[email protected]> wrote:
>> Pete, yes you can pass a Proc object as the value of the :roles option,
>> and it will get evaluated when the task is considered for execution. The
>> proc should return an array of role names.
>>
>> Capistrano provides a defer() helper to make declaring the procs a bit
>> easier to read:
>>
>> task :generic_task, :roles => defer { compute_role_names_here } do
>> # ...
>> end
>>
>> - Jamis
>>
>> On 1/16/09 1:48 PM, pete wrote:
>>
>>> Hello-
>>> Is it possible to dynamically set roles for a specific task?
>>> For example, I want to create some generic tasks, along with groups of
>>> servers I use, and I wan tto be able to execute these commands on
>>> different groups, without having to duplicate code.
>>> role :group1, m1, m2, m3
>>> role :group2, m4, m5, m6
>>> task :generic_task, :roles => [some passed in variable] do
>>> run "echo hi"
>>> end
>>> Is something like this possible? I have tried a couple options, none
>>> of which worked.
>>> Thanks!
>>
> >
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