[Nix-dev] Turn on python3 support for vim in configuration.nix

[Wink Saville]

Txs, to make it work I needed to also add lua to nixos.config and not
environment.systemPackages:

nixos.config = {
  vim.python = false;
  vim.ruby = false;
  vim.lua = false;
};

How would I know this information?

On Sat, Sep 17, 2016, 12:40 PM Pavel Chuprikov <pschuprikov at gmail.com>
wrote:

> This is just a dependency among the vim configure flags. Basically, if you
> use only *tiny* set of features then it won't be enough to support *python
> *or *ruby*, for example.
>
> To try *tiny* you need to add:
>
> vim.python = false;
> vim.ruby = false;
>
> to your* configuration.nix*.
>
> --
> Pavel
>
> сб, 17 сент. 2016 г. в 17:53, Wink Saville <wink at saville.com>:
>
>> On Sat, Sep 17, 2016 at 4:23 AM, Pavel Chuprikov <pschuprikov at gmail.com>
>> wrote:
>> > Hi Wink,
>> >
>> > There are two features that vim can support: python and python3. To
>> > determine which one should be turned on vim's nix-expression checks the
>> > version of a python package that was passed to it. To enable python3 you
>> > need to override vimHugeX:
>> >
>> > environment = {
>> >   systemPackages = with pkgs; [
>> >     vimHugeX.override { python = python3; }
>> >   ];
>> > }
>>
>> Thanks, it needed one minor tweak, it need parens around the
>> '(vimHugeX.override {..})':
>>
>> environment = {
>>   systemPackages = with pkgs; [
>>     (vimHugeX.override { python = python3; })
>>   ];
>> }
>>
>> Out of curiosity, I tried to change the features to "tiny":
>> environment = {
>>   systemPackages = with pkgs; [
>>     (vimHugeX.override { features = "tiny" })
>>   ];
>> }
>>
>> But rebuild gives an error that python isn't supported:
>>
>>      configure: error: cannot use Python with tiny or small features
>>
>> I looked in pkgs/**/editors/vim/configurable.nix and can see various
>> places python is mentioned but I'm not familiar enough with the
>> nix language to ferret out how to disable it. Do you happen to know?
>>
>>
>> > --
>> > Pavel
>> >
>> >
>> >
>> > сб, 17 сент. 2016 г. в 0:18, Wink Saville <wink at saville.com>:
>> >>
>> >> By default vim installed via configuration.nix doesn't support python3:
>> >>
>> >> environment = {
>> >>   systemPackages = with pkgs; [
>> >>     vim
>> >>   ];
>> >> }
>> >>
>> >> $ sudo nixos-rebuild test
>> >> $ vim --version | grep python3
>> >> ... -python3 ...
>> >>
>> >> So after much searching and help from #nixos on freenode I found that
>> >> you can add vim_configurable or its alias vimHugeX to turn on a bunch
>> >> of options such as clipboard and python but it doesn't turn on
>> >> python3:
>> >>
>> >> environment = {
>> >>   systemPackages = with pkgs; [
>> >>     vimHugeX
>> >>   ];
>> >> }
>> >>
>> >> $ sudo nixos-rebuild test
>> >> $ vim --version | grep 'python3\|clipboard'
>> >> +clipboard       +iconv           +path_extra      +toolbar
>> >> +cscope          +lispindent      -python3         +vreplace
>> >> +eval            +mouse_dec       +startuptime     +xterm_clipboard
>> >>
>> >>
>> >> This post, https://goo.gl/Bej4Qo, implies you can do it and I added
>> >> 'nixpkgs.config.vim.python3 = true' but it doesn't work:
>> >>
>> >>   nixpkgs.config = {
>> >>     allowUnfree = true;
>> >>     vim.python3 = true;
>> >>   };
>> >>
>> >> environment = {
>> >>   systemPackages = with pkgs; [
>> >>     vimHugeX
>> >>   ];
>> >> }
>> >>
>> >> $ sudo nixos-rebuild test
>> >> $ vim --version | grep 'python3\|clipboard'
>> >> +clipboard       +iconv           +path_extra      +toolbar
>> >> +cscope          +lispindent      -python3         +vreplace
>> >> +eval            +mouse_dec       +startuptime     +xterm_clipboard
>> >>
>> >>
>> >> How how can I turn on python3, i.e. control individual vim
>> >> options/features, in configuration.nix?
>> >>
>> >> -- wink
>> >> _______________________________________________
>> >> nix-dev mailing list
>> >> nix-dev at lists.science.uu.nl
>> >> http://lists.science.uu.nl/mailman/listinfo/nix-dev
>>
>
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