$ git clone -n http://git.inferitos.ru/rpms/bctoolbox /var/lib/mock/inferit-9_4-aarch64-extras-build-63994-134822/root/chroot_tmpdir/scmroot/bctoolbox
Cloning into '/var/lib/mock/inferit-9_4-aarch64-extras-build-63994-134822/root/chroot_tmpdir/scmroot/bctoolbox'...
$ git fetch origin dabff3dc988604c5701768139487887c356ad561:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/bctoolbox
 * [new ref]         dabff3dc988604c5701768139487887c356ad561 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dabff3d Update to 5.3.84-1.inferit