No URLs found in -.

[Axellarator]

starting:

cd /tmp && curl -s -L https://github.com/teejee2008/groot/releases/latest | egrep -o 'teejee2008/groot/releases/download/.*/groot-v[0-9.]*-amd64.run' | wget --base=http://github.com/ -i - -O groot-latest-amd64.run && sudo chmod a+x ./groot-latest-amd64.run && sudo ./groot-latest-amd64.run

and get No URLs found in -.