version=3
opts=uversionmangle=s/(\d)[_\.\-\+]?((RC|rc|pre|dev|beta|alpha|b|a)\d*)$/$1~$2/,dversionmangle=s/\+(debian|dfsg|ds|deb)\d*$// \
http://gazebosim.org/distributions/ign-cmake/releases/ .*ignition-cmake-(\d\.\d\.\d)\.(?:zip|tgz|tbz|txz|(?:tar\.(?:gz|bz2|xz)))
