$ git clone -n https://src.fedoraproject.org/rpms/perl-Search-Elasticsearch.git /var/lib/mock/f45-build-26166-616/root/chroot_tmpdir/scmroot/perl-Search-Elasticsearch
Cloning into '/var/lib/mock/f45-build-26166-616/root/chroot_tmpdir/scmroot/perl-Search-Elasticsearch'...
$ git fetch origin b439e1120a0014c7aeb6ab1e64be95f08e22a5db:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Search-Elasticsearch
 * [new ref]         b439e1120a0014c7aeb6ab1e64be95f08e22a5db -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b439e11 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild