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

Question

When I type git diff, I want to view the output with my visual diff tool of choice (SourceGear \"diffmerge\" on Windows). How do I configure git to do this?

Answer 1

I use kompare on ubuntu:

sudo apt-get install kompare

To compare two branches:

git difftool -t kompare  master