$ git clone -n https://gitee.com/wency_cn/guestfs-tools_1770753823.git /var/lib/mock/dist-an23-build-513264-75099/root/chroot_tmpdir/scmroot/guestfs-tools_1770753823
Cloning into '/var/lib/mock/dist-an23-build-513264-75099/root/chroot_tmpdir/scmroot/guestfs-tools_1770753823'...
$ git fetch origin 42b70359848651ce979b4e0b29857125cd47ebf6:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/guestfs-tools_1770753823
 * [new ref]         42b70359848651ce979b4e0b29857125cd47ebf6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 42b7035 Update code from upstream