Class: Migreazy::Action::Diff

Inherits:
Migreazy::Action show all
Defined in:
lib/migreazy.rb

Instance Method Summary collapse

Methods inherited from Migreazy::Action

#initialize

Constructor Details

This class inherits a constructor from Migreazy::Action

Instance Method Details

#run ⇒ Object 



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# File 'lib/migreazy.rb', line 39

def run
  left_only = (@source1.migrations - @source2.migrations).sort.reverse
  right_only = (@source2.migrations - @source1.migrations).sort.reverse
  unless left_only.empty? && right_only.empty?
    puts(
      sprintf("%-39s  %-39s", @source1.description, @source2.description)
    )
    puts(
      sprintf(
        "%-39s  %-39s", ("=" * @source1.description.length),
        ("=" * @source2.description.length)
      )
    )
    until (left_only.empty? && right_only.empty?)
      side = if right_only.empty?
        :left
      elsif left_only.empty?
        :right
      elsif left_only.first > right_only.first
        :left
      else
        :right
      end
      if side == :left
        puts sprintf("%-39s", left_only.first.to_s)
        left_only.shift
      else
        puts((" " * 39) + sprintf("  %-39s", right_only.first.to_s))
        right_only.shift
      end
    end
  end
end