# File lib/churn/scm/source_control.rb, line 36
    def get_updated_files_change_info(revision, revisions)
      updated     = {}
      logs        = get_updated_files_from_log(revision, revisions)
      recent_file = nil
      logs.each do |line|
        if /^---|^\+\+\+/ =~ line
          # Remove the --- a/ and +++ b/ if present
          recent_file = get_recent_file(line)
          updated[recent_file] = [] unless updated.include?(recent_file)
        elsif /^@@/ =~ line
          # Now add the added/removed ranges for the line
          removed_range = get_changed_range(line, '-')
          added_range   = get_changed_range(line, '\+')
          updated[recent_file] << removed_range
          updated[recent_file] << added_range
        else
          puts /^---/ =~ line
          raise "diff lines that don't match the two patterns aren't expected: '#{line}'"
        end
      end
      updated
    end