$ git clone -n https://gitee.com/wency_cn/git.git /var/lib/mock/dist-an23-build-503612-74854/root/chroot_tmpdir/scmroot/git
Cloning into '/var/lib/mock/dist-an23-build-503612-74854/root/chroot_tmpdir/scmroot/git'...
$ git fetch origin 465ffee7a06297fcc56ef480727dcf6f5ba1d404:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/git
 * [new ref]         465ffee7a06297fcc56ef480727dcf6f5ba1d404 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 465ffee Update code from upstream