See all your work in a given repo over the last couple of weeks, collated by day. Makes filling out timesheets much easier.
To run the script, pass it a git repo as the first argument.
ruby timesheeting_like_a_boss.rb ~/projects/babushka
Here's what I see in babushka:
# 2011-05-25 (Wed)
c1dea1b: Return strings from #which and #cmd_dir.