use base 'Hydra::Base::Controller::NixChannel';
use Hydra::Helper::Nix;
use Hydra::Helper::CatalystUtils;
use List::SomeUtils qw(uniq);

            push @{$ret->{removed}}, { job => $build2->get_column('job'), system => $build2->get_column('system') };

            my $job_system = { job => $build2->get_column('job'), system => $build2->get_column('system') };
            push @{$ret->{removed}}, $job_system;