$ git clone -n https://src.fedoraproject.org/rpms/mdns-repeater.git /var/lib/mock/f45-build-18192-511/root/chroot_tmpdir/scmroot/mdns-repeater
Cloning into '/var/lib/mock/f45-build-18192-511/root/chroot_tmpdir/scmroot/mdns-repeater'...
$ git fetch origin 5e3957080a50f5ef84088f5001d04988ea765fd8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mdns-repeater
 * [new ref]         5e3957080a50f5ef84088f5001d04988ea765fd8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5e39570 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild