get commit messages

gistfile1.txt

require 'grit'

root_dir = "/some/path"
terms = ['niko', 'nfelger']

Dir[root_dir + "/*/.git"].each do |dir|
  repo = Grit::Repo.new(dir)

  File.open("/where/ever/commit_messages/#{dir.split('/')[-2]}", 'w') do |file|
    step   = 100
    offset = -step
    while (commits = repo.commits('master', step, offset += step)).any?
      commits.each do |commit|
        if terms.any?{|term| commit.author_string =~ /#{term}/i}
          file.puts commit.message
        end
      end
    end
  end
end