$ git clone -n https://gitee.com/src-opencloudos-rpms/sed.git /var/lib/mock/dist-oc8-build-237637-82447/root/chroot_tmpdir/scmroot/sed
Cloning into '/var/lib/mock/dist-oc8-build-237637-82447/root/chroot_tmpdir/scmroot/sed'...
$ git fetch origin 0edb3130b13b7dc86e0f31aa35c6c9c9b5ad5d00:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/sed
 * [new ref]         0edb3130b13b7dc86e0f31aa35c6c9c9b5ad5d00 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0edb313 import sed-4.5-5.oc8