$ git clone -n https://src.fedoraproject.org/rpms/zita-rev1.git /var/lib/mock/f45-build-39366-734/root/chroot_tmpdir/scmroot/zita-rev1
Cloning into '/var/lib/mock/f45-build-39366-734/root/chroot_tmpdir/scmroot/zita-rev1'...
$ git fetch origin df0a05ae56bb66f5cd9a82afc03b55ba1c0d5a4f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/zita-rev1
 * [new ref]         df0a05ae56bb66f5cd9a82afc03b55ba1c0d5a4f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df0a05a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild