$ git clone -n https://gitee.com/opencloudos-stream/virt-v2v.git /var/lib/mock/dist-ocs23-build-22975-1173/root/chroot_tmpdir/scmroot/virt-v2v
Cloning into '/var/lib/mock/dist-ocs23-build-22975-1173/root/chroot_tmpdir/scmroot/virt-v2v'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/virt-v2v
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9ca08a3 !6    Upgrade to 2.3.5 to build with ocaml 5.0 Merge pull request !6 from rockerzhu/master