Switch Git branch without files checkout

Question

Is it possible in Git to switch to another branch without checking out all files?

After switching branch I need to delete all files, regenerate them, commit and swit

Answer 1

Or just use a patch file to patch from your otherbranch to your master

git diff otherbranch master > ~/tmp/otherbranch.diff
git checkout master
git apply ~/tmp/otherbranch.diff