[Nix-dev] Proposed feature for make-wrapper.sh

[Domen Kožar]

I wanted that feature a few times also, but I ended up using --run or two
wrappers.

On Sun, May 8, 2016 at 12:32 PM, Wout Mertens <wout.mertens at gmail.com>
wrote:

> --suffix-flags sounds ok, but perhaps a custom wrapper is better.
>
> On Sun, May 8, 2016, 11:02 AM Philip Carlsen <plcplc at gmail.com> wrote:
>
>> That's great to hear - Indeed you're not the only one having trouble with
>> akonadi. I just gave up before I could make anything useful of it.
>> Den 8. maj 2016 01.24 skrev "Phil Wetzel" <phil at audido.com>:
>>
>>> Greetings,
>>>
>>> I've just installed NixOS on my desktop with KDE. I had trouble getting
>>> akonadi working (the data backend for kdepim). I found one other person
>>> with
>>> the same problem [1], though it is hard for me to believe I am the only
>>> person
>>> trying to run KMail on NixOS.
>>>
>>> The problem turned out to be akonadi starting an instance of mysqld
>>> (mariadb)
>>> that failed to find an error messages file because it didn't know where
>>> it was.
>>> Setting the --basedir prevents this problem from occurring, and that is
>>> what
>>> is done in the service module definition. kdepim users can solve the
>>> problem
>>> locally by setting basedir in their akonadi/mysql.cf config, but if we
>>> would
>>> like it to work out of the box it seemed to me that the way forward was
>>> to use
>>> wrapProgram on mysqld. You can't actually run mysqld from the commandline
>>> without without the --basedir argument with it packaged the way it is now
>>> anyway.
>>>
>>> This turned out to not work either because:
>>>
>>>  - wrapProgram --add-flags *prepends* all the wrapped flags to the
>>> argument list
>>>  - akonadi uses the --defaults-file argument
>>>  - mysqld requires --defaults-file to be the first argument if it is used
>>>
>>> This can certainly be solved with some hackery after the wrapProgram in
>>> postInstall, but perhaps it would be better to include a --suffix-flags
>>> feature
>>> to make-wrapper.sh.
>>>
>>> What would you suggest as the better choice? I didn't want to submit a
>>> PR with
>>> a hack if that wasn't the way forward, and I definitely didn't want to
>>> submit a
>>> PR touching the build tools and documentation without at least saying
>>> hello
>>> first.
>>>
>>> Thank you,
>>> Phil Wetzel
>>>
>>> [1] -
>>> http://lists.science.uu.nl/pipermail/nix-dev/2015-January/015575.html
>>> _______________________________________________
>>> nix-dev mailing list
>>> nix-dev at lists.science.uu.nl
>>> http://lists.science.uu.nl/mailman/listinfo/nix-dev
>>>
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> --
>
> Wout.
> (typed on mobile, excuse terseness)
>
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>
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