gulpfile.js

var gulp = require('gulp');
var sass = require('gulp-sass');
var cssmin = require('gulp-cssmin');

gulp.task('sass', function() {
	gulp.src('./assets/scss/*.scss')
		.pipe(sass({
			includePaths: require('node-bourbon').includePaths,
			logErrorToConsole: true
		}))
		.pipe(gulp.dest('./assets/stylesheets'))
});

gulp.task('watch', function() {
	gulp.watch('assets/scss/**', ['sass', 'build']);
});

gulp.task('build', function() {
	gulp.src('./assets/stylesheets/style.css')
		.pipe(cssmin())
		.pipe(gulp.dest('./assets/dist'));
});