gistfile1.js

gulp.task('scripts:dev', ['templates'], function() {
  return gulp.src(paths.scripts)
    .pipe(plumber())
    .pipe(concat('app.js'))
    .pipe(ngmin())
    .on('error', notify.onError())
    .pipe(gulp.dest('public/dist/js'))
    .pipe(refresh(lrserver));
});

gulp.task('scripts:prod', ['templates'], function() {
  return gulp.src(paths.scripts)
    .pipe(concat('app.min.js'))
    .pipe(ngmin())
    .pipe(uglify())
    .pipe(gulp.dest('public/dist/js'))
    .pipe(refresh(lrserver));
});