$ git clone -n https://gitee.com/src-opencloudos-rpms/squid.git /var/lib/mock/dist-oc9-build-67558-46267/root/chroot_tmpdir/scmroot/squid
Cloning into '/var/lib/mock/dist-oc9-build-67558-46267/root/chroot_tmpdir/scmroot/squid'...
$ git fetch origin 2176d79152d0dfb8b08d57bb66ed5e77c61adf63:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/squid
 * [new ref]         2176d79152d0dfb8b08d57bb66ed5e77c61adf63 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2176d79 import squid-6.5-2.tl4