$ git clone -n http://git.inferitos.ru/rpms/bctoolbox /var/lib/mock/inferit-9_4-extras-build-51440-95678/root/chroot_tmpdir/scmroot/bctoolbox
Cloning into '/var/lib/mock/inferit-9_4-extras-build-51440-95678/root/chroot_tmpdir/scmroot/bctoolbox'...
$ git fetch origin changed/i9m/bctoolbox-5.3.5-2.el9.inferit:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/bctoolbox
 * [new tag]         changed/i9m/bctoolbox-5.3.5-2.el9.inferit -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eb15d10 import bctoolbox-5.3.5-2