That appears to be an hg error message. The git version is: $ git push github master To git@gitproxy:rip747/ cfwheels.git ! [rejected] master -

That appears to be an hg error message. The git version is: $ git push github master To git@gitproxy:rip747/ cfwheels.git ! [rejected] master -> master (non-fast forward) error: failed to push some refs to ‘git@gitproxy:rip747/cfwheels.git’ That makes no mention of -f (or any git commands at all).