$ git clone -n https://src.fedoraproject.org/rpms/lxinput.git /var/lib/mock/f45-build-17813-504/root/chroot_tmpdir/scmroot/lxinput
Cloning into '/var/lib/mock/f45-build-17813-504/root/chroot_tmpdir/scmroot/lxinput'...
$ git fetch origin cb76bf5b467bec8a52486dc0597349018f2a7a1e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lxinput
 * [new ref]         cb76bf5b467bec8a52486dc0597349018f2a7a1e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cb76bf5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild