$ git clone -n https://gitee.com/src-opencloudos-rpms/squid.git /var/lib/mock/dist-oc9-build-214974-80812/root/chroot_tmpdir/scmroot/squid
Cloning into '/var/lib/mock/dist-oc9-build-214974-80812/root/chroot_tmpdir/scmroot/squid'...
$ git fetch origin d2b9ca9202d8700808f3581bf79b8b4938d575eb:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/squid
 * [new ref]         d2b9ca9202d8700808f3581bf79b8b4938d575eb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d2b9ca9 import squid-6.5-9.tl4