I meant, by "written long form" that it wasn't valid syntax… but it was
supposed to be easier to understand:
set(:branch, lambda { .... })
is the required way...
On 15 November 2011 18:30, Craig White <[email protected]> wrote:
>
> On Nov 15, 2011, at 10:07 AM, Lee Hambley wrote:
>
> > You can use Capistrano::CLI::ask in a early task to ask for such
> credentials, here's something from my app which I use to ask the user for
> the branch name, with a sensible default, this is shared between :
> >
> > set :branch, lambda do
> > a = Capistrano::CLI.password_prompt("SHA1/Branch/Tag to deploy [#{`git
> describe --abbr=0`.strip}]: ");
> > if a.empty?
> > `git describe --abbr=0`.strip
> > else
> > a
> > end
> > end
> >
> > This is written out the longhand way, but you probably could compress it
> into one line, that's another alternative for you, nice side-effect of this
> being a lambda, is that the prompt isn't displayed until you try to use the
> variable, so tasks which don't need to answer all prompts won't have to.
> >
> > Another side effect of this though, is that you'll want to make sure
> you're not using the variable for the first time inside one of your own
> run() commands, otherwise you risk being prompted once for each server. For
> things like passwords/etc used internally, this is no problem.
> ----
> there's obviously something I am missing...
>
> $ cap test2 deploy:code
> ./config/deploy.rb:297:in `lambda': tried to create Proc object without a
> block (ArgumentError)
> from ./config/deploy.rb:297:in `load'
>
> and line 297 is the first line of this 'set' command...
>
> set :user, lambda do
> my_user = Capistrano::CLI.ui.ask("Your SSH User name [#{`user`.strip}]:
> ");
> if my_user.empty?
> `user`.strip
> else
> my_user
> end
> end
>
> (though I suspect that `user` is a problem, I didn't get that far)
>
> Thanks
>
> Craig
>
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