$ git clone -n https://src.fedoraproject.org/rpms/lightdm-settings.git /var/lib/mock/f45-build-17375-498/root/chroot_tmpdir/scmroot/lightdm-settings
Cloning into '/var/lib/mock/f45-build-17375-498/root/chroot_tmpdir/scmroot/lightdm-settings'...
$ git fetch origin ac1e34baddb87f14160867862fbfc324e075aa6b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lightdm-settings
 * [new ref]         ac1e34baddb87f14160867862fbfc324e075aa6b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac1e34b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild