our $extra_orig_namepart_re = qr{[-0-9a-zA-Z]+};
our $orig_f_comp_re = qr{orig(?:-$extra_orig_namepart_re)?};
our $orig_f_sig_re = '\\.(?:asc|gpg|pgp)';
our $extra_orig_namepart_re = qr{[-0-9a-zA-Z]+};
our $orig_f_comp_re = qr{orig(?:-$extra_orig_namepart_re)?};
our $orig_f_sig_re = '\\.(?:asc|gpg|pgp)';