How do you generate useful stats from a git repo? In particular how do you calculate the monetary cost of development effort behind that git repo? I've found the gitstats project which helped me answer the above question.
Git clone the repo and make sure you
have Python and Gnuplot installed. gitstat will generate html files and
graphics from your git history.
In my case I only needed to know how long it took for a project to be developed. It turned out that around 56% of the days since day one were active and there were an average of 8,5 commits per active day in the repo.
I took the number of active days and multiplied by an average daily wage to come up with a real number. This is what I consider to be the cost to develop the software from scratch. This is overly simplified, but serves my needs to establish some base line.
There's the COCOMO method which is probably more accurate but I didn't find any usable online COCOMO calculator.
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