Hunspell not working with Emacs when using NixOS

IQubic · August 19, 2024, 2:56am

So, I’m on NixOS, and I have just set my locale to en_GB.UTF-8. I also have Hunspell installed by adding (hunspellWithDicts ([ hunspellDicts.en_GB-ise ])) to my system.environmentPackages.

Hunspell -D outputs this:

AVAILABLE DICTIONARIES (path is not mandatory for -d option):
/nix/store/p4x47drfqwhd1j36z9bi555wp05h8m05-hunspell-dict-en-gb-ise-wordlist-2018.04.16/share/hunspell/en_GB
LOADED DICTIONARY:
/nix/store/p4x47drfqwhd1j36z9bi555wp05h8m05-hunspell-dict-en-gb-ise-wordlist-2018.04.16/share/hunspell/en_GB.aff
/nix/store/p4x47drfqwhd1j36z9bi555wp05h8m05-hunspell-dict-en-gb-ise-wordlist-2018.04.16/share/hunspell/en_GB.dic

Running M-x ispell-buffer in emacs gives me the following message: ispell-find-hunspell-dictionaries: Can’t find Hunspell dictionary with a .aff affix file This is weird, because running M-h v to and asking for the value of ispell-hunspell-dict-path-alist gives:

(("british" "/nix/store/p4x47drfqwhd1j36z9bi555wp05h8m05-hunspell-dict-en-gb-ise-wordlist-2018.04.16/share/hunspell/en_GB.aff")
 ("en_GB" "/nix/store/p4x47drfqwhd1j36z9bi555wp05h8m05-hunspell-dict-en-gb-ise-wordlist-2018.04.16/share/hunspell/en_GB.aff"))

mightyiam · August 19, 2024, 6:13am

While NixOS store paths are unusual, and while you might yet get some help here (better than my non-help), you might have more chances of being helped in an emacs related forum.

Nebucatnetzer · August 19, 2024, 5:45pm

I have setup Hunspell with home-manager and it worked just fine at least on NixOS.
In an Ubuntu WSL I’m having some trouble but I didn’t fix that yet because I mainly just write code in that environment.

The following two links are all I have configured, maybe it helps:

github.com

Nebucatnetzer/nixos/blob/7d10f1a76518d9ce5e6902201b0f6fc7aecb3dff/home-manager/modules/programs/emacs/emacs.d/lib/az_spellcheck.el

;; -*- lexical-binding: t; -*-
;; ispell settings
(setenv "DICTIONARY" "en_GB")
(setq ispell-program-name "hunspell")
(setq ispell-local-dictionary "en_GB")
(setq ispell-local-dictionary-alist
      '(("en_GB" "[[:alpha:]]" "[^[:alpha:]]" "[']" nil ("-d" "en_GB") nil utf-8)
        ("de_CH" "[[:alpha:]]" "[^[:alpha:]]" "[']" nil ("-d" "de_CH") nil utf-8)))

github.com

Nebucatnetzer/nixos/blob/7d10f1a76518d9ce5e6902201b0f6fc7aecb3dff/home-manager/modules/programs/hunspell/default.nix

{
  config,
  lib,
  pkgs,
  ...
}:
let
  cfg = config.programs.az-hunspell;
in
{
  options = {
    programs.az-hunspell.enable = lib.mkEnableOption "Add dictionaries";
  };

  config = lib.mkIf cfg.enable {
    home.packages = with pkgs; [
      hunspell
      hunspellDicts.en_GB-ise
      hunspellDicts.de_CH
    ];

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IQubic · August 19, 2024, 8:08pm

I’ve marked this as solved! Thanks for your help here!