is_fast_fwd $mtag, 'HEAD' or
die "HEAD is not FF from maintainer tag $mtag!";
my $dtag = "archive/$mtag";
is_fast_fwd $mtag, $dtag or
is_fast_fwd $mtag, 'HEAD' or
die "HEAD is not FF from maintainer tag $mtag!";
my $dtag = "archive/$mtag";
is_fast_fwd $mtag, $dtag or