Gulp xsl reload

gulpfile.js

var gulp = require('gulp'),
	gutil = require('gulp-util'),
	spawn = require('child_process').spawn,
	livereload = require('gulp-livereload')
	replace = require('gulp-replace');

gulp.task('staticsvr', function(next) {
	var staticS = require('node-static'),
			server = new staticS.Server('./'),
			port = 2888;
	require('http').createServer(function (request, response) {
		request.addListener('end', function () {
			server.serve(request, response);
		}).resume();
	}).listen(port, function() {
		gutil.log('Server listening on port: ' + gutil.colors.magenta(port));
		next();
	});
});

gulp.task('watch', ['staticsvr'], function() {
	var server = livereload();
	gulp.watch(['*.js', '*.css', '*.xml', '*.xsl']).on('change', function(file) {
			var child = spawn("xslty", ["input.xml adminViewSupervisorTracking.xsl > result.html"], {cwd: process.cwd()});

			child.on('close', function () {
				gutil.log('done transforming xml');
				server.changed(file.path);
			});
	});
});

gulp.task('build', function(){
  gulp.src(['adminViewSupervisorTracking.xsl'])
    .pipe(replace(/http\:\/\/192.168.10.57:8080/g, ''))
    .pipe(gulp.dest('build'));
});