t's not quite as simple as that, though.
The .gitignore files are fundamentally location hierarchy-aware, so a
ignore entry in one subdirectory only affects that subdirectory
(recursively), so if you flatten then, you should take that into account.
As far as I can tell, your script will generate lots of incorrect entries
due to this. Eg, it will generate
parse.[ch]
as a dontdiff pattern, because scripts/genksyms/.gitignore has that, but
that means that now it will ignore parse.c in all the _other_ places,
where it *isn't* a generated file (ie mm/parse.c).
Linus
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