$ git clone -n https://gitee.com/fundawang/squid.git /var/lib/mock/dist-an23-build-324050-68521/root/chroot_tmpdir/scmroot/squid
Cloning into '/var/lib/mock/dist-an23-build-324050-68521/root/chroot_tmpdir/scmroot/squid'...
$ git fetch origin bdfa74ff443a8ff19f0717c14c4b7eb2504da8da:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/squid
 * [new ref]         bdfa74ff443a8ff19f0717c14c4b7eb2504da8da -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bdfa74f update