#!/usr/bin/env ruby

require_relative 'run.rb'

def main
  mod_not_changed!
  run!(%w[go mod tidy])
  mod_not_changed!
end

def mod_not_changed!
  %w[go.mod go.sum].each do |f|
    unless system(*%W[git diff --quiet --exit-code #{f}])
      abort "error: uncommitted changes in #{f}"
    end
  end
end

main