$ git clone -n https://gitee.com/src-opencloudos-rpms/sip.git /var/lib/mock/dist-oc9-build-61513-16463/root/chroot_tmpdir/scmroot/sip
Cloning into '/var/lib/mock/dist-oc9-build-61513-16463/root/chroot_tmpdir/scmroot/sip'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/sip
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b8397e import sip-4.19.25-5.tl4