$ git clone -n https://gitee.com/opencloudos-stream/nginx-mod-vts.git /var/lib/mock/dist-oc9-epol-build-83698-57226/root/chroot_tmpdir/scmroot/nginx-mod-vts
Cloning into '/var/lib/mock/dist-oc9-epol-build-83698-57226/root/chroot_tmpdir/scmroot/nginx-mod-vts'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/nginx-mod-vts
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3cb15ba package init