#!/usr/bin/env perl
use strict;
use warnings;

if (grep { $_ eq 'upgrade' } @ARGV) {
    printf "%s %s (%s)\n", @$_ for
        ['Inst', 'foo', 'some foo info'],
        ['Somethingelse', 'bar', 'some bar info'],
        ['Remv', 'baz', 'some baz info'];
}
elsif (grep { $_ eq 'update' } @ARGV) {
    print "OK\n";
}