[arch-releng] [PATCH] [configs/releng] Make kernel and initramfs patch relative for syslinux

Gerardo Exequiel Pozzi vmlinuz386 at yahoo.com.ar
Fri Nov 25 14:56:15 EST 2011

On 11/25/2011 06:22 AM, Thomas Bächler wrote:
> Am 24.11.2011 23:32, schrieb Gerardo Exequiel Pozzi:
>> On 11/24/2011 01:20 PM, Thomas Bächler wrote:
>>> Holy shit! This needs to be fixed, otherwise we cannot unify the
>>> configuration files without ugliness. See my previous mail about ".." in
>>> TFTP paths.
>> Yes I read it. So as you can see we have these choices we want to unify
>> dir struct for all bootloaders: (in resume)
>> 1) Change directory scheme, put kernel/initramfs inside syslinux/%ARCH%,
>> keep _all_ files references *relative* (also we can change current
>> absolute paths to make it relative)
> My problem here is: I like to keep bootloader and archiso files
> separate. There were several occasions when I wanted to just take the
> archiso files and didn't need the bootloader files. I don't like mixing
> them.
>> 2) Keep directory scheme as now, but change _all_ files references to
>> make it *absolute*. Plus adding a pxelinux.cfg with "loadconfig".
> I don't like it either, absolute paths will complicate things.
>> 3) Wait some time for feature ".." in pxelinux/isolinux.
> I would love that. I'll send a mail to the syslinux mailing list later,
> inquiring about this possibility.
>> I think we can use (2) until we get (3).
> I disagree. If we use (2), I will have to edit config files in some use
> cases, too. To summarize:
> 1) With isolinux (and hybrid), we can access everything, but only via
> absolute paths, or below the "current directory". If we want relative
> paths, we need a prefix at / or /arch.
> 2) With pxelinux, we can only access files below the prefix, no matter
> if relative or absolute.
> 3) With syslinux, we can access everything. However, the prefix will
> always equal the directory where ldlinux.sys and syslinux.cfg are.
> My new suggestion - keep the old directory scheme, use only relative
> paths with /arch as prefix:
> 1) isolinux - loadconfig trick in /isolinux/isolinux.cfg, set prefix to
> /arch/, config to /arch/boot/syslinux/archiso.cfg
> 2) pxelinux - set (via DHCP options) prefix to /arch/ and config to
> boot/syslinux/archiso.cfg
> 3) syslinux - have a loadconfig trick in
> /arch/boot/syslinux/syslinux.cfg - there, set the prefix to /arch/ and
> the config to /arch/boot/syslinux/archiso.cfg (same as for isolinux)
> If I didn't miss things, this should work. We can now have all paths
> relative to /arch, we don't need .. and we can remaster easily with all
> bootloaders. Thoughts?
Sounds good, this should work we are decending one directory level.

Working on it...

Gerardo Exequiel Pozzi
\cos^2\alpha + \sin^2\alpha = 1

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