$ git clone -n https://src.fedoraproject.org/rpms/perl-Params-CallbackRequest.git /var/lib/mock/f45-build-25652-612/root/chroot_tmpdir/scmroot/perl-Params-CallbackRequest
Cloning into '/var/lib/mock/f45-build-25652-612/root/chroot_tmpdir/scmroot/perl-Params-CallbackRequest'...
$ git fetch origin 0e06aca1e50b20dc25ba1e3f722ff1ae424de689:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Params-CallbackRequest
 * [new ref]         0e06aca1e50b20dc25ba1e3f722ff1ae424de689 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0e06aca Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild