Worker 2 [groaning]: "It's ... it's in the ul2 subfolder. You only need the ul2 subfolder."

Zombie with Pink Skin [grabs somebody else's brain and munches a little]: "git clone --no-checkout --filter=blob:none https://github.com/google-research/google-research; cd google-research; git checkout master -- ul2"

 Zombie with Pink Skin stares wide-eyed.

Zombie with Pink Skin: "What did I just say?"