Re: Documentation - how to apply patches for various trees

[Randy.Dunlap]

On Wed, 3 Aug 2005, Rolf Eike Beer wrote:

> Jesper Juhl wrote:
>
> >+Where can I download the patches?
>
> Maybe it would be useful to once again mention that local mirrors should be
> used at least for stable releases and */testing/*.
>
> >+The 2.6.x kernels
> [...]
> >+# moving from 2.6.11 to 2.6.12
> >+$ cd ~/linux-2.6.11			# change to kernel source dir
> >+$ patch -p1 < ../patch-2.6.12		# apply the 2.6.12 patch
>
> patch also nows "-i": patch -p1 -i ../patch-2.6.12
>
> More likely the user will get the patch compressed either with bzip2 or gzip,
> so I think it would be useful to tell once more how to apply such a patch:
>
> bzcat ../patch-2.6.12.bz2 | patch -p1
>
> >+The 2.6.x.y kernels
>
> >+$ cd ~/linux-2.6.12.2			# change into the kernel source dir
> >+$ patch -p1 -R < ../patch-2.6.12.2	# revert the 2.6.12.2 patch
> >+$ patch -p1 < ../patch-2.6.12.3		# apply the new 2.6.12.3 patch
> >+$ cd ..
> >+$ mv linux-2.6.12.2 linux-2.6.12.3	# rename the kernel source dir
>
> The better way would probably be to use interdiff. Another goodie is that
> interdiff knows about -z:
>
> cd ~/linux-2.6.12.2
> interdiff -z ../patch-2.6.12.2.bz2 ../patch-2.6.12.3.gz | patch -p1
>
> This should only be shown as "another way" to do so. Sometimes interdiff get's
> confused and breaks things, although this is very unlikely for the stable
> diffs.

Another (better IMO) solution is to use 'ketchup'.
It knows about all of these revisions/patches and how to download
and apply them AFAIK.
http://www.selenic.com/ketchup/

> >+The -mm kernels
>
> >+ These kernels in
> >+ addition to all the other experimental patches they contain usually also
> >+ contain any changes in the mainline -git kernels available at the time of
> >+ release.
>
> These two "contain"'s that close to each user are likely to confuse. In a
> German text I would but a comma before "in addition" and behind the first
> "contain", don't know what the rules for this are in English.
>
> Eike

-- 
~Randy
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