Commits by size

commits-by-size.rb

require 'git'

num_commits = 20000
sizes = {:s => 0, :m => 0, :l => 0, :xl => 0, :xxl => 0}
Git.open('.').log(num_commits).author('zzak').each do |commit|

  log = `git show --numstat #{commit.sha}`
  stat = 0
  log.scan(/^(\d+)\t(\d+)/).flatten.each { |i| stat += i.to_i }

  case stat
  when 1..20
    sizes[:s] += 1
  when 20..50
    sizes[:m] += 1
  when 50..100
    sizes[:l] += 1
  when 100..1000
    sizes[:xl] += 1
  else
    sizes[:xxl] += 1
  end

end

puts <<-eol
Commits by number of lines changed by zzak
  1-20     : #{sizes[:s]}
  20-50    : #{sizes[:m]}
  50-100   : #{sizes[:l]}
  100-1000 : #{sizes[:xl]}
  1000+    : #{sizes[:xxl]}
eol

results.txt

Commits by number of lines changed by zzak
  1-20     : 127
  20-50    : 36
  50-100   : 16
  100-1000 : 34
  1000+    : 4