Module: Capsaicin::Namespace

Defined in:
lib/capsaicin/namespace.rb

Instance Method Summary collapse

Instance Method Details

#noop_tasks(name, list) ⇒ Object

Override tasks in a namespace to a NOOP.


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# File 'lib/capsaicin/namespace.rb', line 39

def noop_tasks(name, list)
  namespace name do
    metaclass = class << self; self; end
    list.each do |k|
      tasks[k.to_sym].instance_variable_set(:@body, lambda {})
    end
  end
end

#task_settings(task, vars) ⇒ Object

Redefine settings for the duration of an existing task.


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# File 'lib/capsaicin/namespace.rb', line 6

def task_settings(task, vars)
  orig_vars = vars.keys.select { |k| exists? k }.inject({}) { |h,k| h[k] = variables[k]; h }
  orig_body = tasks[task].body
  tasks[task].instance_variable_set(:@body, lambda do
    vars.each { |k,v| Proc===v ? set(k, &v) : set(k, v) }
    begin
      orig_body.call
    ensure
     vars.keys.each do |k|
        if ! orig_vars.include? k
          variables.delete k
        else
          v = orig_vars[k]
          Proc===v ? set(k, &v) : set(k, v)
        end
      end
    end
  end)
end

#undef_tasks(name, list) ⇒ Object

Undefine tasks in a namespace.


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# File 'lib/capsaicin/namespace.rb', line 27

def undef_tasks(name, list)
  namespace name do
    metaclass = class << self; self; end
    list.each do |k|
      k = k.to_sym  
      metaclass.send(:undef_method, k)
      tasks.delete k
    end
  end
end