$ git clone -n https://gitee.com/src-opencloudos-rpms/flexiblas.git /var/lib/mock/dist-oc9-build-41170-14591/root/chroot_tmpdir/scmroot/flexiblas
Cloning into '/var/lib/mock/dist-oc9-build-41170-14591/root/chroot_tmpdir/scmroot/flexiblas'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/flexiblas
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 22898c1 import flexiblas-3.1.3-5.tl4