How do I view ‘git diff’ output with my preferred diff tool/ viewer?

Since Git1.6.3, you can use the git difftool script: see my answer below. May be this article will help you. Here are the best parts: There are two different ways to specify an external diff tool. The first is the method you used, by setting the GIT_EXTERNAL_DIFF variable. However, the variable is supposed to point … Read more