$ git clone -n https://gitee.com/wency_cn/squid_1772094266.git /var/lib/mock/dist-an23-build-515347-75118/root/chroot_tmpdir/scmroot/squid_1772094266
Cloning into '/var/lib/mock/dist-an23-build-515347-75118/root/chroot_tmpdir/scmroot/squid_1772094266'...
$ git fetch origin 108cdc0a22f33521304da1e8efa13c625a40b251:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/squid_1772094266
 * [new ref]         108cdc0a22f33521304da1e8efa13c625a40b251 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 108cdc0 Update code from upstream