$ git clone -n https://gitee.com/wency_cn/squid_1770969649.git /var/lib/mock/dist-an23-build-514512-75110/root/chroot_tmpdir/scmroot/squid_1770969649
Cloning into '/var/lib/mock/dist-an23-build-514512-75110/root/chroot_tmpdir/scmroot/squid_1770969649'...
$ git fetch origin 703fe76f98505c1c8f9b5f57af01fb2dd989a6b8:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/squid_1770969649
 * [new ref]         703fe76f98505c1c8f9b5f57af01fb2dd989a6b8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 703fe76 Update code from upstream