$ git clone -n https://src.fedoraproject.org/rpms/qtzeroconf.git /var/lib/mock/f45-build-34190-680/root/chroot_tmpdir/scmroot/qtzeroconf
Cloning into '/var/lib/mock/f45-build-34190-680/root/chroot_tmpdir/scmroot/qtzeroconf'...
$ git fetch origin e77a684ebd7ac319ee55a9a6f2fc9c49b48cde0d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qtzeroconf
 * [new ref]         e77a684ebd7ac319ee55a9a6f2fc9c49b48cde0d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e77a684 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild