$ git clone -n https://gitee.com/wency_cn/ucx.git /var/lib/mock/dist-an23-build-503647-74854/root/chroot_tmpdir/scmroot/ucx
Cloning into '/var/lib/mock/dist-an23-build-503647-74854/root/chroot_tmpdir/scmroot/ucx'...
$ git fetch origin cde296ea49988e5b22627e2d8c96feb854b5bf79:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/ucx
 * [new ref]         cde296ea49988e5b22627e2d8c96feb854b5bf79 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cde296e Update code from upstream