These two commands creates a tar file of all the changed files and a txt file with a list of the changed files.

git-diff-commands.md

git diff --name-only HEAD~1 HEAD | xargs tar -czf files.tar.gz

git diff --name-only HEAD~1 HEAD | > files.txt

#to get the hash of the current commit

git rev-parse HEAD

#you can also do the git diff commands with the commit hash git diff --name-only 567a29a 23caaf595 | xargs tar -czf files.tar.gz

src: http://stackoverflow.com/questions/1552340/git-show-all-changed-files-between-two-commits