$ git clone -n https://src.fedoraproject.org/rpms/plexus-classworlds.git /var/lib/mock/f38-build-side-42-init-devel-760326-27697/root/chroot_tmpdir/scmroot/plexus-classworlds
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-760326-27697/root/chroot_tmpdir/scmroot/plexus-classworlds'...
$ git fetch origin d4d969112eadb808700c8433231631cc2071e72d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plexus-classworlds
 * [new ref]         d4d969112eadb808700c8433231631cc2071e72d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d4d9691 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild