Hi, this seems enough to fix the bug:
--- a/scripts/origtargz.pl
+++ b/scripts/origtargz.pl
@@ -343,6 +343,7 @@ sub unpack_tarball (@) {
for my $origtar (@origtar) {
my $tmpdir = File::Temp->newdir(DIR => ".", CLEANUP => 1);
+ next if $origtar =~ /\.(?:asc|sig)$/;
print "Unpacking $origtar\n";
my $cmp = ($origtar =~ /orig(?:-([\w\-]+))?\.tar/)[0] || '';
if ($cmp) {

