magit/git-modes — pull request #29 by praet (2013-08-19 20:55:16+00:00)
Title: `git-commit-cancel': cancelling commits...

Since this is done by feeding git-commit(1) an empty commit message,
Magit will calmly notify us of its less-than-perfect exit status, which
is a minor inconvenience we might be willing to live with for now.

Signed-off-by: Pieter Praet