I like the general idea, I sometimes also tend to code too much until committing, however, for me it is more a combination of running tests, amount of code and

I like the general idea, I sometimes also tend to code too much until committing, however, for me it is more a combination of running tests, amount of code and of course completeness. Plus, I often start hammering ":w" when I am stuck. (which would be miss-interpreted by this tool)