$ git clone -n http://git.inferitos.ru/rpms/jaxb-istack-commons /var/lib/mock/inferit-10_0-bootstrap-build-96648-181950/root/chroot_tmpdir/scmroot/jaxb-istack-commons
Cloning into '/var/lib/mock/inferit-10_0-bootstrap-build-96648-181950/root/chroot_tmpdir/scmroot/jaxb-istack-commons'...
$ git fetch origin changed/i10c-beta/jaxb-istack-commons-4.2.0-9.el10:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/jaxb-istack-commons
 * [new tag]         changed/i10c-beta/jaxb-istack-commons-4.2.0-9.el10 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 543df85 import jaxb-istack-commons-4.2.0-9.el10