$ git clone -n https://gitee.com/src-opencloudos-rpms/sed.git /var/lib/mock/dist-oc9-build-60073-16463/root/chroot_tmpdir/scmroot/sed
Cloning into '/var/lib/mock/dist-oc9-build-60073-16463/root/chroot_tmpdir/scmroot/sed'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/sed
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e7733ce import sed-4.9-1.tl4