$ git clone -n http://git.inferitos.ru/rpms/units /var/lib/mock/inferit-8_8-build-13022-22779/root/chroot_tmpdir/scmroot/units
Cloning into '/var/lib/mock/inferit-8_8-build-13022-22779/root/chroot_tmpdir/scmroot/units'...
$ git fetch origin changed/i8c/units-2.17-5.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/units
 * [new tag]         changed/i8c/units-2.17-5.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bba504c edit changelog for import units-2.17-5.el8