$ git clone -n https://src.fedoraproject.org/rpms/gnome-shell.git /var/lib/mock/f31-build-91722-32333/root/chroot_tmpdir/scmroot/gnome-shell
Cloning into '/var/lib/mock/f31-build-91722-32333/root/chroot_tmpdir/scmroot/gnome-shell'...
$ git reset --hard 3e4bdf58a8316babea5e718d728eaf2ee11eb233
HEAD is now at 3e4bdf5 Fix files list