Can I override working copy by index content? [duplicate]

Question

Possible Duplicate:
How do you discard unstaged changes in git?

I know that when I git add tracking content to repository, git copy/update content of its object stores. If I change my content continuously without git add again, and I regrets all those changes and I want my last snapshot in index back to my working copy, how can I do?

Answer 1

You can use git-checkout for this:

git checkout -- .