$ git clone -n https://gitee.com/wency_cn/guestfs-tools_1770751408.git /var/lib/mock/dist-an23-build-513255-75099/root/chroot_tmpdir/scmroot/guestfs-tools_1770751408
Cloning into '/var/lib/mock/dist-an23-build-513255-75099/root/chroot_tmpdir/scmroot/guestfs-tools_1770751408'...
$ git fetch origin ad181ec81665bc1918d04d5231d805da8b283535:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/guestfs-tools_1770751408
 * [new ref]         ad181ec81665bc1918d04d5231d805da8b283535 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ad181ec Update code from upstream