version=3
opts=\
dversionmangle=s/\+(debian|dfsg|ds|deb)\d*$//,\
uversionmangle=s/(\d)[_\.\-\+]?((RC|rc|pre|dev|beta|alpha)\d*)$/$1~$2/,\
filenamemangle=s/(?:.*?)?(?:rel|v|variant)?[\-\_]?(\d\S+)\.(tgz|tbz|txz|(?:tar\.(?:gz|bz2|xz)))/variant-$1.$2/ \
https://github.com/mapbox/variant/releases \
(?:.*?/)?(?:rel|v|variant)?[\-\_]?(\d[\d\-\.]+)\.(?:tgz|tbz|txz|(?:tar\.(?:gz|bz2|xz)))
