$ git clone -n https://gitee.com/src-opencloudos-rpms/netpbm.git /var/lib/mock/dist-oc9-build-43153-14591/root/chroot_tmpdir/scmroot/netpbm
Cloning into '/var/lib/mock/dist-oc9-build-43153-14591/root/chroot_tmpdir/scmroot/netpbm'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/netpbm
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 26362da import netpbm-10.97.00-3.tl4