[systemd-devel] [RFC][PATCH] conf-parser: distinguish between multiple sections with the same name

[Tom Gundersen]

On Wed, Nov 20, 2013 at 2:57 PM, Thomas Bächler <thomas at archlinux.org> wrote:
> Am 20.11.2013 14:38, schrieb Tom Gundersen:
>> Pass on the line on which a section was decleared to the parsers, so they
>> can distinguish between multiple sections (if they chose to). Currently
>> no parsers take advantage of this, but a follow-up patch will do that
>> to distinguish
>>
>> [Address]
>> Address=192.168.0.1/24
>> Label=one
>>
>> [Address]
>> Address=192.168.0.2/24
>> Label=two
>>
>> from
>>
>> [Address]
>> Address=192.168.0.1/24
>> Label=one
>> Address=192.168.0.2/24
>> Label=two
>
> This is a bad idea. When we have a config file
>
> [Section]
> Foo=bar
>
> [Section]
> Foo=baz
>
> and have a corresponding .d snippet with
>
> [Section]
> Foo=bay
>
> what does this mean? Does it override the value of the first section,
> the second section or does it create a new section?

Yeah, in this case it would not make sense. However, this stuff is
opt-in only, and unit files don't opt-in (currently nothing does). For
the use-case I have in mind we won't allow partial overrides and
probably not even drop-ins/includes.

-t