$ git clone -n https://gitee.com/src-opencloudos-rpms/ed.git /var/lib/mock/dist-oc9-build-59431-16463/root/chroot_tmpdir/scmroot/ed
Cloning into '/var/lib/mock/dist-oc9-build-59431-16463/root/chroot_tmpdir/scmroot/ed'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ed
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4e5b8b1 import ed-1.19-2.tl4