$ git clone -n https://gitee.com/opencloudos-stream/dnstop.git /var/lib/mock/dist-oc9-epol-build-90737-59100/root/chroot_tmpdir/scmroot/dnstop
Cloning into '/var/lib/mock/dist-oc9-epol-build-90737-59100/root/chroot_tmpdir/scmroot/dnstop'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/dnstop
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 57a4fd2 package init