$ git clone -n https://gitee.com/opencloudos-stream/virt-v2v.git /var/lib/mock/dist-ocs23-build-9426-271/root/chroot_tmpdir/scmroot/virt-v2v
Cloning into '/var/lib/mock/dist-ocs23-build-9426-271/root/chroot_tmpdir/scmroot/virt-v2v'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/virt-v2v
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5574325 !2 Use variable in url for auto upgrade Merge pull request !2 from rockerzhu/master