$ git clone -n https://src.fedoraproject.org/rpms/lightdm-gtk-greeter-settings.git /var/lib/mock/f45-build-17372-498/root/chroot_tmpdir/scmroot/lightdm-gtk-greeter-settings
Cloning into '/var/lib/mock/f45-build-17372-498/root/chroot_tmpdir/scmroot/lightdm-gtk-greeter-settings'...
$ git fetch origin d5fffc4fa6dc695fcae4e4f95d6da96d69f553c7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lightdm-gtk-greeter-settings
 * [new ref]         d5fffc4fa6dc695fcae4e4f95d6da96d69f553c7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d5fffc4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild