$ git clone -n http://git.inferitos.ru/rpms/grafana /var/lib/mock/inferit-8_8-build-25456-44241/root/chroot_tmpdir/scmroot/grafana
Cloning into '/var/lib/mock/inferit-8_8-build-25456-44241/root/chroot_tmpdir/scmroot/grafana'...
$ git fetch origin changed/i8c/grafana-7.5.15-4.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/grafana
 * [new tag]         changed/i8c/grafana-7.5.15-4.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0e35fff edit changelog for import grafana-7.5.15-4.el8