$ git clone -n http://git.inferitos.ru/rpms/grubby /var/lib/mock/inferit-8_8-bootstrap-build-28170-47548/root/chroot_tmpdir/scmroot/grubby
Cloning into '/var/lib/mock/inferit-8_8-bootstrap-build-28170-47548/root/chroot_tmpdir/scmroot/grubby'...
$ git fetch origin changed/i8c/grubby-8.40-48.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/grubby
 * [new tag]         changed/i8c/grubby-8.40-48.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6dc385e import grubby-8.40-48.el8