Dear diary, on Tue, May 17, 2005 at 11:21:13PM CEST, I got a letter
where Andrew Morton <[email protected]> told me that...
> Linux Kernel Mailing List <[email protected]> wrote:
> >
> > tree a3d85d9f43f64bbd8437c973caf98f79d95b5f3e
> > parent a123edab03ac39e08c2f9cb4fc1af07e099c68bc
> > author Paolo 'Blaisorblade' Giarrusso <[email protected]> Tue, 17 May 2005 11:53:14 -0700
> > committer Linus Torvalds <[email protected]> Tue, 17 May 2005 21:59:11 -0700
> >
> > [PATCH] uml: remove elf.h
> >
> > Actually remove elf.h in the tree. The previous patch, due to a quilt
> > bug/misuse, left it in the tree as a 0-length file, preventing the build to
> > see it as missing and to generate a symlink in its place.
> >
> > Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[email protected]>
> > Signed-off-by: Andrew Morton <[email protected]>
> > Signed-off-by: Linus Torvalds <[email protected]>
> >
> > asm-um/elf.h | 0
> > 1 files changed
> >
> > Index: include/asm-um/elf.h
>
> Hot damn, this zero-length file is hard to get rid of. I pulled Linus's
> tree this morning with this bizarre concoction:
>
> cd $GIT_TREE
> cg-pull origin
> tagsha1=$(cat .git/refs/tags/v$(kversion))
> t=$(cat-file tag $tagsha1 | head -n 1 | sed -e 's/object //')
> cg-diff -r $t -r $(cat .git/refs/heads/origin) > $PULL/linus.patch
>
> and the resulting diff has:
>
> Index: include/asm-ia64/ioctl32.h
> ===================================================================
> --- eed337ef5e9ae7d62caa84b7974a11fddc7f06e0/include/asm-ia64/ioctl32.h (mode:100644 sha1:d0d227f45e05d23705ac849f4bd5c06a28288b58)
> +++ 6bb5a1cf91bbda8308ec7e6d900cb89071907dcd/include/asm-ia64/ioctl32.h (mode:100644 sha1:e69de29bb2d1d6434b8b29ae775ad8c2e48c5391)
> @@ -1 +0,0 @@
> -#include <linux/ioctl32.h>
> Index: include/asm-um/elf.h
> ===================================================================
> Index: include/asm-x86_64/apicdef.h
> ===================================================================
>
> which of course doesn't remove that file at all.
>
> And I bet that when Linus releases patch-2.6.12-rc5.gz and patch-2.6.12.gz,
> they will have the same construct. AFAICT, the patch-based people will
> need to download a full new tarball to get rid of this dang file.
Feeding
--- include/asm-um/elf.h
+++ /dev/null
patch to cg-patch would make Cogito kill it. No help for regular patch
though, I fear. Perhaps some artificial timestamp could help to the file
removal heuristic in GNU patch. Or passing it -E, but that will
obviously do the wrong thing to any other zero-sized files.
--
Petr "Pasky" Baudis
Stuff: http://pasky.or.cz/
C++: an octopus made by nailing extra legs onto a dog. -- Steve Taylor
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