Gulp file using sourcemaps

gistfile1.txt

gulp.task('styles', function() {
	gulp.src('assets/sass/**/*.scss')
		.pipe(sourcemaps.init())
		.pipe(sass({
			outputStyle: 'compressed'
		  })
		.on('error', notify.onError(function(error) {
			return "Error: " + error.message;
		  }))
		)
		.pipe(autoprefixer({
			browsers: ['last 2 versions', 'ie >= 9']
		})) 
		.pipe(sourcemaps.write('.'))
		.pipe(gulp.dest('./assets/dist/css'))
		.pipe(browserSync.stream({match: '**/*.css'}))
		.pipe(notify({
			message: "Styles task complete!"
		}));
});