$ git clone -n https://src.fedoraproject.org/rpms/perl-ElasticSearch-SearchBuilder.git /var/lib/mock/f45-build-23281-596/root/chroot_tmpdir/scmroot/perl-ElasticSearch-SearchBuilder
Cloning into '/var/lib/mock/f45-build-23281-596/root/chroot_tmpdir/scmroot/perl-ElasticSearch-SearchBuilder'...
$ git fetch origin 400bbf8a2b28b2ac021826baa3c8b80ed3bebae1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-ElasticSearch-SearchBuilder
 * [new ref]         400bbf8a2b28b2ac021826baa3c8b80ed3bebae1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 400bbf8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild