$ git clone -n http://git.inferitos.ru/rpms/rdma-core /var/lib/mock/inferit-8_8-build-13341-23032/root/chroot_tmpdir/scmroot/rdma-core
Cloning into '/var/lib/mock/inferit-8_8-build-13341-23032/root/chroot_tmpdir/scmroot/rdma-core'...
$ git fetch origin changed/i8c/rdma-core-44.0-2.el8.1:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/rdma-core
 * [new tag]         changed/i8c/rdma-core-44.0-2.el8.1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1aa6de1 edit changelog for import rdma-core-44.0-2.el8.1