#!/usr/bin/env ruby

# from the top level dir:
# ln -sf ../../dev/pre-commit-hook.rb .git/hooks/pre-commit

require 'pty'
html_path = 'rspec_results.html'

begin
  PTY.spawn( "rspec spec --format h > #{html_path}" ) do |stdin, stdout, pid|
    begin
      stdin.each { |line| print line }
    rescue Errno::EIO => e
      puts "Error: #{e.to.s}"
      return 1
    end
  end
rescue PTY::ChildExited
  puts 'Child process exit!'
end

# find out if there were any errors
html = open(html_path).read
examples = html.match(/(\d+) examples/)[0].to_i rescue 0
errors = html.match(/(\d+) errors/)[0].to_i rescue 0
if errors == 0
  errors = html.match(/(\d+) failure/)[0].to_i rescue 0
end
pending = html.match(/(\d+) pending/)[0].to_i rescue 0

if errors.zero?
  puts "0 failed! #{examples} run, #{pending} pending"
  sleep 1
  exit 0
else
  puts "\aCOMMIT FAILED!!"
  puts "View your rspec results at #{File.expand_path(html_path)}"
  puts
  puts "#{errors} failed! #{examples} run, #{pending} pending"
  exit 1
end