$ git clone -n https://src.fedoraproject.org/rpms/xorg-x11-drv-synaptics.git /var/lib/mock/f42-build-side-1-3589142-46953/root/chroot_tmpdir/scmroot/xorg-x11-drv-synaptics
Cloning into '/var/lib/mock/f42-build-side-1-3589142-46953/root/chroot_tmpdir/scmroot/xorg-x11-drv-synaptics'...
$ git fetch origin fed45de0c0b26c90be210504dc02bec86684c860:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xorg-x11-drv-synaptics
 * [new ref]         fed45de0c0b26c90be210504dc02bec86684c860 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fed45de Add SPDX marker to License