gruntjs/grunt-contrib-imagemin — pull request #224 by karannewthakkar (2014-05-29 06:03:33+00:00)
Title: Caching original image size before optimization

If the source and destination folder for the tasks are same, then `origSize` is same as the optimized image size(`data.contents.length`). This shows the false message - ***already optimized*** even when optimization of images has actually taken place.