Grunt File to UNCSS WordPress site

gistfile1.txt

module.exports = function(grunt) {
  grunt.initConfig({
    pkg: grunt.file.readJSON('package.json'),
   	
   		exec: {
      		set_max_files: {
      			command: 'ulimit -n 1024'
      		},
      
			get_grunt_sitemap: {
        		command: 'curl --silent --output sitemap.json http://willimac.com/wp-grunt-test/?show_sitemap'
      		}
    
    	},
    
		uncss: {
		  
		  dist: {
			options: {
			  ignore       : [/expanded/,/js/,/wp-/,/align/,/admin-bar/,'.swing'],
			  stylesheets  : ['http://willimac.com/wp-grunt-test/wp-content/themes/sparkling/inc/css/bootstrap.min.css'],
			  ignoreSheets : [/fonts.googleapis/],
			  urls         : [], //Overwritten in load_sitemap_and_uncss task
			},
			
			files: {
			  'wp-content/themes/sparkling/inc/css/bootstrap.clean.min.css': ['**/*.html']
			}
		  
		  }
		}
		
  });

	grunt.loadNpmTasks('grunt-exec');
	grunt.loadNpmTasks('grunt-uncss');

	grunt.registerTask('default', ['exec:set_max_files','exec:get_grunt_sitemap','load_sitemap_json','uncss:dist']);
  
	grunt.registerTask('load_sitemap_json', function() {
		var sitemap_urls = grunt.file.readJSON('./sitemap.json');
		grunt.config.set('uncss.dist.options.urls', sitemap_urls);
	});

}