$ git clone -n https://gitee.com/bbrucezhang/google-guest-agent.git /var/lib/mock/dist-oc9-epol-build-236832-82329/root/chroot_tmpdir/scmroot/google-guest-agent
Cloning into '/var/lib/mock/dist-oc9-epol-build-236832-82329/root/chroot_tmpdir/scmroot/google-guest-agent'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/bbrucezhang/google-guest-agent
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e46b006 fix