$ git clone -n https://src.fedoraproject.org/rpms/mdns.git /var/lib/mock/f45-build-18188-511/root/chroot_tmpdir/scmroot/mdns
Cloning into '/var/lib/mock/f45-build-18188-511/root/chroot_tmpdir/scmroot/mdns'...
$ git fetch origin 3c1dd94f49e784717538d6abd4b87f659ea5ec42:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mdns
 * [new ref]         3c1dd94f49e784717538d6abd4b87f659ea5ec42 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3c1dd94 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild