debian/watch - pub/scm/fs/xfs/xfsprogs-dev - Git at Google

 version=3
 opts=pgpsigurlmangle=s/xz$/sign/,decompress,uversionmangle=s/(\d)[_\.\-\+]?((RC|rc|pre|dev|beta|alpha)\d*)$/$1~$2/ \
 https://www.kernel.org/pub/linux/utils/fs/xfs/xfsprogs/xfsprogs-(.+)\.tar\.xz
	version=3
	opts=pgpsigurlmangle=s/xz$/sign/,decompress,uversionmangle=s/(\d)[_\.\-\+]?((RC\|rc\|pre\|dev\|beta\|alpha)\d*)$/$1~$2/ \
	https://www.kernel.org/pub/linux/utils/fs/xfs/xfsprogs/xfsprogs-(.+)\.tar\.xz