dowload latest release github curl
curl --silent "https://api.github.com/repos/USER/REPO/releases/latest" | # Get latest release from GitHub api
grep '"tag_name":' | # Get tag line
sed -E 's/.*"([^"]+)".*/\1/' |
xargs -I {} curl -sOL "https://github.com/USER/REPO/archive/"{}'.tar.gz'