$ git clone -n https://src.fedoraproject.org/rpms/perl-RDF-Query.git /var/lib/mock/f45-build-26006-614/root/chroot_tmpdir/scmroot/perl-RDF-Query
Cloning into '/var/lib/mock/f45-build-26006-614/root/chroot_tmpdir/scmroot/perl-RDF-Query'...
$ git fetch origin 90dccf7f68494be313ea34034467cc58aec5f897:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-RDF-Query
 * [new ref]         90dccf7f68494be313ea34034467cc58aec5f897 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 90dccf7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild