$ git clone -n https://gitee.com/src-opencloudos-rpms/libbase.git /var/lib/mock/dist-oc9-build-52572-14601/root/chroot_tmpdir/scmroot/libbase
Cloning into '/var/lib/mock/dist-oc9-build-52572-14601/root/chroot_tmpdir/scmroot/libbase'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libbase
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c6a0ae0 import libbase-1.1.3-3.tl4