git apply --interactive

I'd love for "git apply" to have an equivalent to "git add -p".  (I'm
guessing it would be called --interactive since "git apply -p" is
taken and --patch would be confusing.)  Has anyone thought about this?

After taking a quick look at git-add--interactive.perl, it seems like
the main steps would be:
1) making sure the patch comes from a file and not stdin, since stdin
is required for the interactive input
2) collecting the input patch(es) and separating by output file
3) modifying parse_diff to accept these pre-split patches
4) coloring the patch

Mark