lib/git/diff.rb

   1 module Git
   2
   3   # object that holds the last X commits on given branch
   4   class Diff
   5     include Enumerable
   6
   7     @base = nil
   8     @from = nil
   9     @to = nil
  10
  11     @full_diff = nil
  12
  13     def initialize(base, from = nil, to = nil)
  14       dirty_log
  15       @base = base
  16       @from = from
  17       @to = to
  18     end
  19
  20     def
  21     # enumerable methods
  22
  23     def each
  24       cache_diff
  25       @full_diff.each do |file|
  26         yield file
  27       end
  28     end
  29
  30     private
  31
  32       def cache_diff
  33         if !@full_diff
  34           @full_diff = @base.lib.diff_files(@from, @to)
  35         end
  36       end
  37 end