$ git clone -n http://git.inferitos.ru/rpms/rdma-core /var/lib/mock/inferit-8_10-bootstrap-build-38743-76381/root/chroot_tmpdir/scmroot/rdma-core
Cloning into '/var/lib/mock/inferit-8_10-bootstrap-build-38743-76381/root/chroot_tmpdir/scmroot/rdma-core'...
$ git fetch origin changed/i8c-beta/rdma-core-48.0-1.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/rdma-core
 * [new tag]         changed/i8c-beta/rdma-core-48.0-1.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8979a09 import rdma-core-48.0-1.el8