$ git clone -n https://src.fedoraproject.org/rpms/libkolabxml.git /var/lib/mock/f38-build-side-42-init-devel-581341-26052/root/chroot_tmpdir/scmroot/libkolabxml
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-581341-26052/root/chroot_tmpdir/scmroot/libkolabxml'...
$ git fetch origin e1e1c328d16c6b7aefcd9d57d7f7d3eefc5a409c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libkolabxml
 * [new ref]         e1e1c328d16c6b7aefcd9d57d7f7d3eefc5a409c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e1e1c32 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild