$ git clone -n https://gitee.com/wency_cn/squid.git /var/lib/mock/dist-an23-build-508373-74974/root/chroot_tmpdir/scmroot/squid
Cloning into '/var/lib/mock/dist-an23-build-508373-74974/root/chroot_tmpdir/scmroot/squid'...
$ git fetch origin 0a9e40e61f8083a4f56dc29aa027b9ffa3a46fa7:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/squid
 * [new ref]         0a9e40e61f8083a4f56dc29aa027b9ffa3a46fa7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a9e40e Update code from upstream