$ git clone -n http://git.inferitos.ru/rpms/json-c /var/lib/mock/inferit-10_0-bootstrap-build-96697-181954/root/chroot_tmpdir/scmroot/json-c
Cloning into '/var/lib/mock/inferit-10_0-bootstrap-build-96697-181954/root/chroot_tmpdir/scmroot/json-c'...
$ git fetch origin changed/i10c-beta/json-c-0.18-3.el10:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/json-c
 * [new tag]         changed/i10c-beta/json-c-0.18-3.el10 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 96381e1 import json-c-0.18-3.el10