$ git clone -n https://gitee.com/src-opencloudos-rpms/cups-pk-helper.git /var/lib/mock/dist-oc9-build-64163-16463/root/chroot_tmpdir/scmroot/cups-pk-helper
Cloning into '/var/lib/mock/dist-oc9-build-64163-16463/root/chroot_tmpdir/scmroot/cups-pk-helper'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/cups-pk-helper
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e50ab82 import cups-pk-helper-0.2.7-4.tl4