$ git clone -n https://gitee.com/wency_cn/expect.git /var/lib/mock/dist-an23-build-492012-74553/root/chroot_tmpdir/scmroot/expect
Cloning into '/var/lib/mock/dist-an23-build-492012-74553/root/chroot_tmpdir/scmroot/expect'...
$ git fetch origin b7cf443d89d4998654dbf186e6f30d05cbe68d80:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/expect
 * [new ref]         b7cf443d89d4998654dbf186e6f30d05cbe68d80 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b7cf443 Update code from upstream