version=3
opts=filenamemangle=s/.+\/v?(\d\S*)\.tar\.gz/docker-registry-$1\.tar\.gz/,\
uversionmangle=s/(\d)[_\.\-\+]?(RC|rc|pre|dev|beta|alpha)[.]?(\d*)$/$1~$2$3/,\
dversionmangle=s/[~+]ds\d*$//,\
repacksuffix=~ds1 \
  https://github.com/docker/distribution/tags .*/v?(\d\S*)\.tar\.gz
