$ git clone -n https://gitee.com/fundawang/squid.git /var/lib/mock/dist-an23-build-324041-68521/root/chroot_tmpdir/scmroot/squid
Cloning into '/var/lib/mock/dist-an23-build-324041-68521/root/chroot_tmpdir/scmroot/squid'...
$ git fetch origin 56bd3608de02a2598f7b30c68b8507690f9f5661:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/squid
 * [new ref]         56bd3608de02a2598f7b30c68b8507690f9f5661 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 56bd360 6.4