$ git clone -n https://gitee.com/src-opencloudos-rpms/gdbm.git /var/lib/mock/dist-oc9-build-60801-16463/root/chroot_tmpdir/scmroot/gdbm
Cloning into '/var/lib/mock/dist-oc9-build-60801-16463/root/chroot_tmpdir/scmroot/gdbm'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gdbm
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1a5df88 import gdbm-1.23-4.tl4