rubocopa.rb

#!/usr/bin/env ruby

class Symbol
  def with(*args, &block)
    ->(caller, *rest) { caller.send(self, *rest, *args, &block) }
  end
end

require 'active_support/core_ext/string'
require 'colorize'

lines = `git status`.split("\n")
files = lines.select(&:starts_with?.with("\tmodified:"))
             .select(&:ends_with?.with('.rb'))
             .select(&:exclude?.with('db/'))
             .map { |line| line.gsub("\tmodified:", '').strip }
s= "rubocop -a #{files.join(' ')}"
puts s.yellow
system s