[Nix-dev] How to actually get rid of things from the nix-env -qs list?

[Mateusz Kowalczyk]

On 04/28/2014 09:23 AM, Marc Weber wrote:
> Excerpts from Mateusz Kowalczyk's message of Mon Apr 28 09:38:41 +0000 2014:
>> IP- python2.7-livestreamer-1.8.0
>> IP- python3.3-livestreamer-1.8.0
> 
> Which one is active? That's what priorities are about, those who
> have higher priorities will be linked first. In your case both will have
> .py files, so in fact its likely that one is active

Is there a way to ask nix to tell me which one is active? I happened to
know because I set priorities recently but what if I did it 2 months ago?

> Need source? nix repository -> buildenv.pl should contain what you're
> looking for.
> 
> How to get rid? I wonder why those packages contain a space?
>> IP- python3.3-livestreamer-1.8.0
> usually nix-env -e drops them, if this doesn't work (due to the space -
> I'm unsure) you can try the rollback features (nix-env) and file a bug
> report.

Hm, I just tried again and ‘-e’ worked fine. I don't know what changed
but if it worked then I'm happy. Sorry for the noise.

> Marc Weber
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-- 
Mateusz K.