Git pre-commit hook for JSHint and Rails

gistfile1.txt

#!/usr/bin/env ruby

# To use this:
#   * Set up the jshint	Gem with your Rails app: https://github.com/liquid/jshint_on_rails
#   * Copy this	file to	[YOURPROJECT]/.git/hooks/pre-commit
#   * chmod 0755 .git/hooks/pre-commit

files_changed = `git diff --name-only HEAD`
if files_changed.any? { |line| line =~ %r|public/javascripts| }
  puts "Running jshint to check changes to javascript ..."
  result = `bundle exec rake jshint`
  if result =~ /Found \d+ error/
    puts "=========================================================================================="
    puts "                                         COMMIT ABORTED"
    puts "=========================================================================================="
    puts result
    exit 1
  end
end