grunt-diff-copy

Compares source & destination files before calling grunt-contrib-copy.

Currently compatible with grunt-contrib-copy@0.5.0.

Tests & much of the Gruntfile taken from grunt-contrib-copy. Extensive tests of grunt-diff-copy's actual functionality are planned.

Overview

Developed with grunt-newer integration in mind, diffCopy will only write to a destination file if its contents actually differ from the source. By filtering, "last modified" times are preserved on unchanged files, allowing grunt-newer to do its thing.

grunt diffCopy newer:myTask

The diffCopy task delegates to grunt-contrib-copy, and requires no other configuration. Just specify diffCopy instead of copy when running tasks.

Getting Started

This plugin requires Grunt ~0.4.0

If you haven't used Grunt before, be sure to check out the Getting Started guide, as it explains how to create a Gruntfile as well as install and use Grunt plugins. Once you're familiar with that process, you may install this plugin with this command:

npm install grunt-contrib-copy --save-dev
npm install grunt-diff-copy --save-dev

Once the plugin has been installed, it may be enabled inside your Gruntfile with this line of JavaScript:

grunt.loadNpmTasks('grunt-contrib-copy');
grunt.loadNpmTasks('grunt-diff-copy');

This plugin was designed to work with Grunt 0.4.x. If you're still using grunt v0.3.x it's strongly recommended that you upgrade, but in case you can't please use v0.3.2.