Руслан

gulp.task("watch", function () {
    // livereload.listen();
    log("Watching scss files for modifications");
    gulp.watch('build/styles/**/*.scss', ['sass']);
    gulp.watch('build/scripts/*.*', ['scripts']);
    gulp.watch('/**/*.php').on('change', browserSync.reload);
    gulp.watch('build/styles/**/*.scss').on('change', browserSync.reload);
    gulp.watch('dest/css/*.css').on('change', browserSync.reload);
    browserSync.init({
        proxy: "http://mydomen/"
    });
});

gulp.task('build', ['clean'], function(){
  gulp.start(['jade', 'css', 'js', 'etc']);
});