$ git clone -n https://gitee.com/opencloudos-stream/openstack-dashboard.git /var/lib/mock/dist-oc9-epol-build-67005-17750/root/chroot_tmpdir/scmroot/openstack-dashboard
Cloning into '/var/lib/mock/dist-oc9-epol-build-67005-17750/root/chroot_tmpdir/scmroot/openstack-dashboard'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/openstack-dashboard
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a4d8862 !2 use python3 in openstack-dashboard-systemd.conf Merge pull request !2 from abushwang/master