version=4
opts="filenamemangle=s%(?:.*?)?v?(\d[\d.]*)\.tar\.gz%sagenb-$1.tar.gz%,\
dversionmangle=s/\+ds\d*$//,repacksuffix=+ds1" \
 https://github.com/sagemath/sagenb/tags \
 (?:.*?/)?v?(\d[\d.]*)\.tar\.gz
