Re: [ptxdist] installing different config files for lighttpd depending on some config variable

[Michael Olbrich <m.olbrich@pengutronix.de>]

On Wed, Nov 09, 2011 at 01:26:48PM +0100, Alexander Dahl wrote:
> we build or BSP in different configurations depending on some options
> in the menuconfig, see:
> 
>     choice
>         prompt "Vendor name     "
> 
>         config VENDOR_FOO
>             bool
>             prompt "foo"
> 
>         config VENDOR_BAR
>             bool
>             prompt "bar"
> 
>         config VENDOR_BAZ
>             bool
>             prompt "baz"
> 
>     endchoice
> 
> This is evaluated in several rules and in combination with collections
> works quite well. In all configurations we use lighttpd as webserver,
> previously with equal lighttpd.conf, but now we need different webserver
> configs for each vendor/collection.
> 
> I could copy the rules/lighttpd.make from ptxdist distribution to our
> BSP now and adapt it, but this would require manual attention on merging
> both with each migration to a new ptxdist release and I'd like to avoid
> that. 
> 
> I came across the possibility of postinst/preinst scripts in
> targetinstall stage and assume I could use this. A preinst script would
> populate projectroot/etc/lighttpd/lighttpd.conf with the right config
> just before install_alternative() is called inside the distributed rule.
> 
> If this is a reasonable idea, where do I find documentation to these
> preinst/postinst stuff? The »Don't Panic« guide doesn't cover this
> topic. :-/

Thre pre-/postinst scripts are run when installing the ipkg, not before
targetistall.
It't not very nice but what about this:

-------- /etc/lighttpd/lighttpd.conf -----------
include "real-lighttpd.conf"
------------------------------------------------

and install real-lighttpd.conf in a local package depending on VENDOR_*

Michael

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

-- 
ptxdist mailing list
ptxdist@pengutronix.de