Re: [PATCH v2] Do not show "diff --git" metainfo with --no-prefix

> Linus Torvalds <torvalds@linux-foundation.org> writes:
>
>> That's why tying "--git" together with any prefix handling is wrong: 
>> because it's a totally different issue. It's true that "git-apply" right 
>> now doesn't understand these things, but assuming we want to teach 
>> git-apply to apply to subprojects eventually (we do, don't we?) we'll 
>> eventually have to teach it.
>
> That's all correct but
>
>  * currently diff does not recurse, nor apply does not apply
>    recursively;
>
>  * "git diff" that comes with 1.5.4, if we do not do anything,
>    can produce a diff that will be rejected by the stricter
>    check "git apply" has when used with --no-prefix and friends;
>
>  * submodule aware versions of "git diff" can be told to add
>    "--mark-as-git-diff" when it passes "--src-prefix=a/git-gui"
>    and "--dst-prefix=b/git-gui" when it recurses internally, to
>    defeat what my proposed patch does.
>
> So I think it makes more sense to mark output as a non-git diff
> when custom prefix is used in the version we are going to ship
> as part of 1.5.4.