-= rot@archy --> ~/node_projects/msm-delta =- $ git push msm.no.de HEAD
To msm.no.de:repo
 ! [rejected]        HEAD -> master (non-fast-forward)
error: failed to push some refs to 'msm.no.de:repo'
To prevent you from losing history, non-fast-forward updates were rejected
Merge the remote changes (e.g. 'git pull') before pushing again.  See the
'Note about fast-forwards' section of 'git push --help' for details.