defined($suitesfile = $ENV{'DGIT_DRS_SUITES'}) or die;
defined($workrepo = $ENV{'DGIT_DRS_WORK'}) or die;
defined($destrepo = $ENV{'DGIT_DRS_DEST'}) or die;
defined($suitesfile = $ENV{'DGIT_DRS_SUITES'}) or die;
defined($workrepo = $ENV{'DGIT_DRS_WORK'}) or die;
defined($destrepo = $ENV{'DGIT_DRS_DEST'}) or die;