$ git-push mypublicrepos 
To git+ssh://git.collabora.co.uk/git/user/alban/empathy
 ! [rejected]        bug503927 -> bug503927 (non-fast forward)
 ! [rejected]        master -> master (non-fast forward)
error: failed to push some refs to 'git+ssh://git.collabora.co.uk/git/user/alban/empathy'