$ git clone -n https://src.fedoraproject.org/rpms/gnome-console.git /var/lib/mock/f39-build-1496836-34570/root/chroot_tmpdir/scmroot/gnome-console
Cloning into '/var/lib/mock/f39-build-1496836-34570/root/chroot_tmpdir/scmroot/gnome-console'...
$ git fetch origin 813fe5ee1b8644031ef60faeddbd7daca192c519:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-console
 * [new ref]         813fe5ee1b8644031ef60faeddbd7daca192c519 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 813fe5e Update to 45.0