My Gulpfile, based on generator-gulp-webapp, with added Coffee and options.

gulpfile.js

'use strict';
// generated on 2014-08-08 using generator-gulp-webapp 0.1.0

var gulp = require('gulp');

// load plugins
var $ = require('gulp-load-plugins')();
var mainBowerFiles = require('main-bower-files');

// config
var opts = require('minimist')(process.argv.slice(2))
var port = opts['port'] || 9000
var openBrowser = opts['no-open-browser'] !== null ? false : true

gulp.task('styles', function () {
    return gulp.src('app/styles/main.scss')
        .pipe($.sass({
            style: 'expanded',
            precision: 10
        }))
        .pipe($.autoprefixer('last 1 version'))
        .pipe(gulp.dest('tmp/styles'))
        .pipe($.size());
});

gulp.task('scripts', function () {
    return gulp.src('app/scripts/**/*.js')
        .pipe($.jshint())
        .pipe($.jshint.reporter(require('jshint-stylish')))
        .pipe($.size());
});

gulp.task('coffee-scripts', function () {
    return gulp.src('app/scripts/**/*.coffee')
        .pipe($.coffee())
        .pipe(gulp.dest('tmp/scripts'))
        .pipe($.size());
});

gulp.task('html', ['styles', 'scripts', 'coffee-scripts'], function () {
    var jsFilter = $.filter('**/*.js');
    var cssFilter = $.filter('**/*.css');

    return gulp.src('app/*.html')
        .pipe($.useref.assets({searchPath: '{tmp,app}'}))
        .pipe(jsFilter)
        .pipe($.uglify())
        .pipe(jsFilter.restore())
        .pipe(cssFilter)
        .pipe($.csso())
        .pipe(cssFilter.restore())
        .pipe($.useref.restore())
        .pipe($.useref())
        .pipe(gulp.dest('dist'))
        .pipe($.size());
});

gulp.task('images', function () {
    return gulp.src('app/images/**/*')
        .pipe($.cache($.imagemin({
            optimizationLevel: 3,
            progressive: true,
            interlaced: true
        })))
        .pipe(gulp.dest('dist/images'))
        .pipe($.size());
});

gulp.task('fonts', function () {
    return gulp.src(mainBowerFiles(/* options */))
        .pipe($.filter('**/*.{eot,svg,ttf,woff}'))
        .pipe($.flatten())
        .pipe(gulp.dest('dist/fonts'))
        .pipe($.size());
});

gulp.task('extras', function () {
    return gulp.src(['app/*.*', '!app/*.html'], { dot: true })
        .pipe(gulp.dest('dist'));
});

gulp.task('clean', function () {
    return gulp.src(['tmp', 'dist'], { read: false }).pipe($.clean());
});

gulp.task('build', ['html', 'images', 'fonts', 'extras']);

gulp.task('default', ['clean'], function () {
    gulp.start('build');
});

gulp.task('connect', function () {
    var connect = require('connect');
    var app = connect()
        .use(require('connect-livereload')({ port: 35729 }))
        .use(connect.static('app'))
        .use(connect.static('tmp'))
        .use(connect.directory('app'));

    require('http').createServer(app)
        .listen(port)
        .on('listening', function () {
            console.log('Started connect web server on http://localhost:' + port);
        });
});

gulp.task('serve', ['connect', 'styles', 'coffee-scripts'], function () {
    if (openBrowser) {
        require('opn')('http://localhost:' + port);
    }
});

// inject bower components
gulp.task('wiredep', function () {
    var wiredep = require('wiredep').stream;

    gulp.src('app/styles/*.scss')
        .pipe(wiredep({
            directory: 'app/bower_components'
        }))
        .pipe(gulp.dest('app/styles'));

    gulp.src('app/*.html')
        .pipe(wiredep({
            directory: 'app/bower_components',
            exclude: ['bootstrap-sass-official']
        }))
        .pipe(gulp.dest('app'));
});

gulp.task('watch', ['connect', 'serve'], function () {
    var server = $.livereload();

    // watch for changes

    gulp.watch([
        'app/*.html',
        '{tmp,app}/styles/**/*.css',
        '{tmp,app}/scripts/**/*.js',
        'app/images/**/*'
    ]).on('change', function (file) {
        server.changed(file.path);
    });

    gulp.watch('app/styles/**/*.scss', ['styles']);
    gulp.watch('app/scripts/**/*.coffee', ['coffee-scripts']);
    gulp.watch('app/scripts/**/*.js', ['scripts']);
    gulp.watch('app/images/**/*', ['images']);
    gulp.watch('bower.json', ['wiredep']);
});