Prevent Git Stash from Resetting Staged Files

Assume the following scenario:

file a and b are both modified, and a is staged in the index. If you run git stash and then git stash pop, file a开发者_JAVA百科 is no longer staged.

How you make git stash return the index to the previous state?

If I understand correctly, I think you just need:

git stash pop --index