version=3
opts=uversionmangle=s/(rc|a|b|c)/~$1/,\
dversionmangle=auto,\
repack,\
filenamemangle=s/.+\/v?(\d\S*)\.tar\.gz/werkzeug-$1\.tar\.gz/ \
https://github.com/pallets/werkzeug/tags .*/v?(\d\S*)\.tar\.gz