version=3

opts=\
compression=xz,\
uversionmangle=s/((rc|b)\d+)$/~$1/;s/-P(\d+)$/.P$1/,\
dirversionmangle=s/((rc|b)\d+)$/~$1/;s/-P(\d+)$/.P$1/,\
dversionmangle=s/\.dfsg\./-/;s/[\.\+]dfsg$//,\
pgpsigurlmangle=s/$/.asc/ \
  https://ftp.isc.org/isc/bind9/(9\.18\.\d+(?:(?:rc|b|-P)\d)?)/ bind-@ANY_VERSION@\.tar\.xz