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

[Kirill Elagin]

Actually, I was talking about this:

The status consists of three characters. The first is I or -, indicating
> whether the derivation is currently installed in the current generation of
> the active profile. This is by definition the case for --installed, but not
> for --available. The second is P or -, indicating whether the derivation is
> present on the system. This indicates whether installation of an available
> derivation will require the derivation to be built. The third is S or -,
> indicating whether a substitute is available for the derivation.
>



--
Кирилл Елагин


On Mon, Apr 28, 2014 at 11:24 PM, Mateusz Kowalczyk <fuuzetsu at fuuzetsu.co.uk
> wrote:

> On 04/28/2014 12:55 PM, Kirill Elagin wrote:
> > On Mon, Apr 28, 2014 at 1:38 PM, Mateusz Kowalczyk
> > <fuuzetsu at fuuzetsu.co.uk>wrote:
> >
> >> nix-env -qs shows something like
> >>
> >> IP- python3.3-livestreamer-1.8.0
> >>
> >> Where is the ‘IP-’ bit documented? As far as I know, the last letter
> >> indicates whether the software is currently active.
> >>
> >
> > Unsurprisingly, it is documented in `man nix-env`, in the `--QUERY`
> > section, right in the description of `--status`.
> >
>
> You're correct. I struggled to find it before, thanks for pointing me in
> the right direction.
>
> For reference, here's the relevant snippet:
>
> $ nix-env -qas '*' (show status of available derivations)
> -P- firefox-1.0.7   (not installed but present)
> --S GConf-2.4.0.1   (not present, but there is a substitute for fast
> installation)
> --S MPlayer-1.0pre3 (i.e., this is not the installed MPlayer, even
> though the version is the same!)
> IP- ORBit2-2.8.3    (installed and by definition present)
>
>
> --
> Mateusz K.
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