$ git clone -n https://src.fedoraproject.org/rpms/perl-RDF-Query.git /var/lib/mock/f41-build-1108066-20090/root/chroot_tmpdir/scmroot/perl-RDF-Query
Cloning into '/var/lib/mock/f41-build-1108066-20090/root/chroot_tmpdir/scmroot/perl-RDF-Query'...
$ git fetch origin fc6c153049f583cfe36a5a4de3e93899bd28fa4e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-RDF-Query
 * [new ref]         fc6c153049f583cfe36a5a4de3e93899bd28fa4e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fc6c153 2.919 bump