Git pre-commit hook with rspec

pre-commit

#!/usr/bin/env ruby
exit 0 if ENV["SKIP_TEST"] # set environment SKIP_TEST to skip rspec
require 'pty'
html_path = "/tmp/rspec_results.html"
begin
  puts "Running rspec ..."
  PTY.spawn( "rspec spec --format h > /tmp/rspec_results.html" ) do |stdin, stdout, pid|
  begin
    stdin.each { |line| print line }
  rescue Errno::EIO
  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 then
  errors = html.match(/(\d+) failure/)[0].to_i rescue 0
end
pending = html.match(/(\d+) pending/)[0].to_i rescue 0

# report
puts "#{examples} examples, #{errors} failures, #{pending} pending"
puts "View spec results at #{File.expand_path(html_path)} for more details."

if errors.zero?
  exit 0
else
  puts "RSpec failed! The recent changes could not be committed!"
  `open #{File.expand_path(html_path)}`
  exit 1
end