version=4
opts=repacksuffix=+dfsg,dversionmangle=s/(\da?)[\+\.\-~](?:dfsg|debian|ds|repack|repacked)\.?\d*$/$1/ \
https://github.com/bulletphysics/bullet3/tags \
.*/archive/(?:upstream/)?(?:v||version-|release-|X|R|r)(\d\S*)\.tar\.gz
