How can I find out which files have been modified in a branch?

I have two bran开发者_Python百科ches: master and bug1. I checked out bug1, did bunch of changes and multiple commits. How do I get a list of all files that were changed on the branch? I'm not interested in hashes, dates or any other commit related details. I just want to get a simple list of touched files.

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git diff --name-only master bug1

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From your master:

git diff --name-status BRANCH

See the git diff man page for details.