$ git clone -n https://src.fedoraproject.org/rpms/perl-AnyEvent-Handle-UDP.git /var/lib/mock/f45-build-21673-587/root/chroot_tmpdir/scmroot/perl-AnyEvent-Handle-UDP
Cloning into '/var/lib/mock/f45-build-21673-587/root/chroot_tmpdir/scmroot/perl-AnyEvent-Handle-UDP'...
$ git fetch origin 64960d124b2a9dcd06858e7ea0377850b4c7ce25:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-AnyEvent-Handle-UDP
 * [new ref]         64960d124b2a9dcd06858e7ea0377850b4c7ce25 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 64960d1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild