$ git clone -n https://src.fedoraproject.org/rpms/erlang-js.git /var/lib/mock/f31-build-113199-34359/root/chroot_tmpdir/scmroot/erlang-js
Cloning into '/var/lib/mock/f31-build-113199-34359/root/chroot_tmpdir/scmroot/erlang-js'...
$ git reset --hard 4947fa2ee3205b3963687736f9543577d88be531
HEAD is now at 4947fa2 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild