#!/usr/bin/env ruby
require 'pathname'
require "tempfile"
require "fileutils"


base = ENV.fetch("STANDARD_UPDATE_BASE") { "$HEAD" }
files = `git diff #{base} --name-only --staged`.split("\n")

app_root = Pathname.new File.expand_path('../../', __FILE__)

todo_path = File.join(app_root, ".standard_todo.yml")

Tempfile.create do |tempfile|
  File.foreach(todo_path) do |line|
    trimmed = line.gsub(/^\s+- /, "").chomp
    if files.include?(trimmed)
      puts line
    else
      tempfile << line
    end
  end

  tempfile.flush

  FileUtils.cp(tempfile.path, todo_path)
end

`git add .standard_todo.yml`