iterations.rb

iterator :on_field => 'ev.actions', :to => 'v:action' do
  sequence do
    _if :test => '${v:action.type} == "submit"' do
      sequence do
        _if :test => '${v:action.sourceproject} not in ${v:sourceprojects}' do
          do_wait_for_build :wait_for => '${v:action.sourceproject}'
        end
        inc 'v:sourceprojects', :val => '${v:action.sourceproject}'
      end
    end
  end
end

# simpler:

iterator :on_field => 'ev.actions', :to => 'v:action' do
  _if :test => '${v:action.type} == "submit"' do
    sequence do
      _if :test => '${v:action.sourceproject} not in ${v:sourceprojects}' do
        do_wait_for_build :wait_for => '${v:action.sourceproject}'
      end
      inc 'v:sourceprojects', :val => '${v:action.sourceproject}'
    end
  end
end

# simpler:

iterator :on_field => 'ev.actions', :to => 'v:action' do
  sequence :if => '${v:action.type} == "submit"' do
    _if :test => '${v:action.sourceproject} not in ${v:sourceprojects}' do
      do_wait_for_build :wait_for => '${v:action.sourceproject}'
    end
    inc 'v:sourceprojects', :val => '${v:action.sourceproject}'
  end
end

# simpler:

iterator :on_field => 'ev.actions', :to => 'v:action' do
  sequence :if => '${v:action.type} == "submit"' do
    do_wait_for_build :wait_for => '${v:action.sourceproject}' :if => '${v:action.sourceproject} not in ${v:sourceprojects}'
    inc 'v:sourceprojects', :val => '${v:action.sourceproject}'
  end
end