I want to look at how my code base has grown over time. GitHub has a nice +/- display along the list of checkins which gives a sense of this. Is there something similar I can use with my Google Code hosted repo or offline?
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There are a few options natively in Git to get data about the changes.
git log --stat will show the amount each file was changed.
git whatchanged gives some detail into the files that were modified.
git diff --stat <sha1> <sha2> gives the files and the amount of changes between two commits.
There are many other blogs that give various formatted logs. A google search can point you at these. Also doing git log --help will give the various options for formatting the history of your repo. Git has the ability to give you quite a bit of data through the various command line log options (filtering by author, file, etc).
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If you know the commits you would like to compare, you could try using the git diff command with the --stat argument. It gives output like this:
$ git diff --stat HEAD^ HEAD
_layouts/default.html | 1 -
_sass/_variables.scss | 2 +-
_sass/main.scss | 42 +++++++++++++++---------------------------
3 files changed, 16 insertions(+), 29 deletions(-)
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