$ git clone -n https://gitee.com/opencloudos-stream/mlnx-tools.git /var/lib/mock/dist-oc9-epol-build-83648-57212/root/chroot_tmpdir/scmroot/mlnx-tools
Cloning into '/var/lib/mock/dist-oc9-epol-build-83648-57212/root/chroot_tmpdir/scmroot/mlnx-tools'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/mlnx-tools
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0040e1c package init