version=4
opts=uversionmangle=s/-((alpha|beta|rc)\d*)$/~$1/,pgpsigurlmangle=s/$/.asc/,dversionmangle=s/\+hotfix// \
https://secure.nic.cz/files/knot-dns/ \
(?:|.*/)knot(?:[_\-]v?|)(\d\S*)\.(?:tar\.xz|txz|tar\.bz2|tbz2|tar\.gz|tgz)