#!/usr/bin/env ruby

output = `git log --stat`
commit = nil
date = nil
commit_sizes = []
message = nil
to_message = 0
output.lines.each do |line|
  if to_message > 0
    to_message -= 1
    if to_message == 0
      message = line.chomp.strip
    end
  elsif line =~ /^commit (\S+)/
    commit = $1
  elsif line =~ /^Date:\s*(.*)$/
    date = $1
    to_message = 2
  else
    size = 0
    if line =~ /(\d+) insertion/
      size += $1.to_i
    end
    if line =~ /(\d+) deletion/
      size += $1.to_i
    end
    if size != 0
      commit_sizes << [size, commit[0..6], date, message]
    end
  end
end

commit_sizes.sort!

commit_sizes.each do |size, commit, date, message|
  puts "#{size} #{commit} #{date} #{message}"
end