$ git clone -n https://gitee.com/src-opencloudos-rpms/netpbm.git /var/lib/mock/dist-oc9-build-62640-16463/root/chroot_tmpdir/scmroot/netpbm
Cloning into '/var/lib/mock/dist-oc9-build-62640-16463/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 8fdb5b0 import netpbm-11.02.00-3.tl4