On Fri, Jan 29, 2010 at 7:58 AM, Andrew Moore <rp.andrew.mo...@gmail.com>wrote:
> I'm a ruby newbie, and I've been using BuildR off and on for a bit > (currently 1.3.3), but I was wondering if there is a way to access the name > of a task that calls a method without passing an argument to that method. > For instance: > > def print_task_name() > # print the name of the task that called this function > puts '['+taskName+']' > end > > desc 'my-project' > define 'my-project' > > desc 'taskA' > task 'taskA' do > print_task_name > end > > desc 'taskB' > task 'taskB' > print_task_name > end > > end #my-project > > > > My goal is that if I run: > > buildr my-project:taskA > > that the print_task_name method will print: > > [my-project:taskA] > > I've been searching through the various Rake, Buildr, and Ruby API's and > the > closest I've come is the core ruby 'caller' method. I've spent enough time > trying to figure it out that it's time to ask the experts! > > Is what I'm wanting to do possible without adding an argument to the > print_task_name method? > > You should check out how Rote extends Rake to provide Rake.application.current_task() http://rote.rubyforge.org/rdoc/ The crux of the extension is the following, module Rake class << self # Array representing current tasks being executed def task_stack; @tasks ||= []; end # Reference to current task being executed def current_task; task_stack.last; end end class Task old_execute = instance_method(:execute) # Execute the task, loading cached dependencies if not already # loaded, and handling the task stack. define_method(:execute) do begin Rake.task_stack << self # ... old_execute.bind(self).call({ }) ensure Rake.task_stack.pop end end end Hope this helps, alex
