version=4
opts="versionmangle=s/_/./g,dversionmangle=s/(\d).ds\d+$/$1/,filenamemangle=s/.+\/V?(\d\S+)\.tar\.gz/ngrep-$1\.tar\.gz/" \
  https://github.com/jpr5/ngrep/tags .*/V?(\d\S+)\.tar\.gz
