[Nix-dev] Terminfo issues with haskell 'vty' package & nix-shell

[Kirill Elagin]

Hm, by the way `TERMINFO` gets set by urxvt itself, so that’s probably not
what causes the problem.

On Fri Nov 14 2014 at 13:59:05 Kirill Elagin <kirelagin at gmail.com> wrote:

> On Thu Nov 13 2014 at 20:20:53 Michael Jones <m.pricejones at gmail.com>
> wrote:
>
>> Hi,
>>
>> I hope this is the right list. I'm very new to nix and trying to get a
>> set up working on Ubuntu 14.04 for a small haskell project I have. I use
>> rxvt-unicode as a shell which generally seems to work fine but when I run
>> `nix-shell` in a directly with the following `default.nix` file:
>>
>> { haskellPackages ? (import <nixpkgs> {}).haskellPackages }:
>>
>> let
>>   inherit (haskellPackages);
>>
>> in
>>   with haskellPackages; cabal.mkDerivation (self: {
>>     pname = "jump";
>>     version = "0.0.0";
>>     src = ./.;
>>     buildDepends = with haskellPackages; [ vty ];
>>     buildTools = with haskellPackages; [ cabalInstall ];
>>   })
>>
>> I get the following error when running `tput`:
>>
>> [nix-shell:~/root/projects/jump]$ tput setaf 7
>> tput: unknown terminal "rxvt-unicode"
>>
>
> That’s strange, could you check what does `env` in the nix-shell look like?
> The variable of interset is `TERMINFO_DIRS`.
>
> (And for some reason `TERMINFO` also gets set which looks wrong to me.
> This might or might not be a bug…)
>
>
>> I'm afraid I'm sufficiently clueless that I don't know how to deal with
>> this. I'm guessing that the terminfo information for nix's bash needs to be
>> in another folder and that the haskell 'vty' package's dependency on
>> ncurses might be confusing things. Does anyone have any recommendations on
>> how to investigate this further? I love the idea of nix and I'd like to get
>> past this.
>>
>> My rxvt-unicode is from Ubuntu rather than a nix install. I did try to
>> install it from nix using the recommendation from http://nixos.org/nixos/
>> packages.html but I get:
>>
>> $ nix-env -iA nixos.pkgs.rxvt_unicode
>> error: attribute ‘nixos’ in selection path ‘nixos.pkgs.rxvt_unicode’ not
>> found
>>
>> Any further help would also be appreciated :)
>>
>> Cheers,
>> Michael
>> _______________________________________________
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>> nix-dev at lists.science.uu.nl
>> http://lists.science.uu.nl/mailman/listinfo/nix-dev
>>
>
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