# File lib/grit/commit_stats.rb, line 15
    def initialize(repo, id, files)
      @repo = repo
      @id = id
      @files = files
      @additions  = files.inject(0) { |total, a| total += a[1] }
      @deletions  = files.inject(0) { |total, a| total += a[2] }
      @total  = files.inject(0) { |total, a| total += a[3] }
    end