$ git clone -n https://gitee.com/src-opencloudos-rpms/blosc.git /var/lib/mock/dist-oc9-build-52963-14748/root/chroot_tmpdir/scmroot/blosc
Cloning into '/var/lib/mock/dist-oc9-build-52963-14748/root/chroot_tmpdir/scmroot/blosc'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/blosc
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b65b65 import blosc-1.21.2-2.tl4