[Using gulp 3.9.0, gulp-cached 1.1.0, gulp-remember 0.3.0, gulp-rename 1.2.2] We’re using gulp as a build tool and gulp-cached together with gulp-remember to allow fast incremental rebuilds. Part of the files under build have to be moved to a different output directory and this has to happen in-stream (i.e. not in gulp.dest()), because we’re zipping the results afterwards. We use gulp-rename