gistfile1.rb

r = Grit::Repo.new('test.git')
i = r.index
i.add('my file.txt', 'hello world! 1')
i.commit('my first commit')
i.add('my file.txt', 'hello world! 2')
i.commit('my second commit')
i.add('my file.txt', 'hello world! 3')
i.commit('my third commit')

huh