$ git clone -n https://gitee.com/src-opencloudos-rpms/yajl.git /var/lib/mock/dist-oc9-build-63538-16463/root/chroot_tmpdir/scmroot/yajl
Cloning into '/var/lib/mock/dist-oc9-build-63538-16463/root/chroot_tmpdir/scmroot/yajl'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/yajl
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5a6a0f4 import yajl-2.1.0-5.tl4