$ git clone -n https://src.fedoraproject.org/rpms/gnome-initial-setup.git /var/lib/mock/f41-build-side-1-2867271-34148/root/chroot_tmpdir/scmroot/gnome-initial-setup
Cloning into '/var/lib/mock/f41-build-side-1-2867271-34148/root/chroot_tmpdir/scmroot/gnome-initial-setup'...
$ git fetch origin 34ba37ced71370560b6407f8d5927f9b200a931f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-initial-setup
 * [new ref]         34ba37ced71370560b6407f8d5927f9b200a931f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 34ba37c Update to 47.0