nix run https://gist.github.com/kuuote/45eb477611a960fecf561602b3769dd1/archive/eef9b05768805f27b90b94768d196330bb537ed4.zip で実行できます。C-x tでチュートリアルが走ります。

default.nix

{
  pkgs ? import <nixpkgs> { },
}:

let
  emacs = pkgs.emacsPackages.withPackages (epkgs: [ epkgs.ddskk ]);
  init-directory = pkgs.linkFarm ".emacs.d" {
    "init.el" = ./init.el;
    "skk.el" = pkgs.substituteAll {
      src = ./skk.el;
      skk_tut = builtins.fetchurl {
        url = "https://raw.githubusercontent.com/skk-dev/ddskk/f81ed803e617ccd8175d4bf57a3062bc5ffe1945/etc/SKK.tut";
        sha256 = "0h3y8svhc0xvdvspf8jy1b4clainm4zs9jfmdbcci3z23mn9406a";
      };
    };
  };
in
pkgs.writeShellScriptBin "emacs" ''
  ${pkgs.lib.getExe emacs} --init-directory ${init-directory} "$@"
''

flake.lock

{
  "nodes": {
    "nixpkgs": {
      "locked": {
        "lastModified": 1737885589,
        "narHash": "sha256-Zf0hSrtzaM1DEz8//+Xs51k/wdSajticVrATqDrfQjg=",
        "owner": "nixos",
        "repo": "nixpkgs",
        "rev": "852ff1d9e153d8875a83602e03fdef8a63f0ecf8",
        "type": "github"
      },
      "original": {
        "owner": "nixos",
        "ref": "nixos-unstable",
        "repo": "nixpkgs",
        "type": "github"
      }
    },
    "root": {
      "inputs": {
        "nixpkgs": "nixpkgs"
      }
    }
  },
  "root": "root",
  "version": 7
}

flake.nix

{
  description = "べんり";

  outputs =
    { self, nixpkgs }:
    let
      forAllSystems =
        fn:
        nixpkgs.lib.genAttrs nixpkgs.lib.systems.flakeExposed (
          system:
          let
            pkgs = nixpkgs.legacyPackages.${system};
          in
          fn pkgs
        );
    in
    {
      packages = forAllSystems (pkgs: {
        default = import ./. { inherit pkgs; };
      });
    };

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
  };
}

init.el

;; 見た目
(load-theme 'modus-vivendi t)
(set-language-environment "Japanese")
(setq inhibit-startup-screen t)

;; これいじるための設定
(electric-pair-mode)
(fido-vertical-mode)

;;; SKKの設定
;; Nix(というよりMelpa)経由だとskk-setup.elが無いので https://github.com/skk-dev/ddskk/blob/f81ed803e617ccd8175d4bf57a3062bc5ffe1945/skk-setup.el.in よりコピペ
(global-set-key "\C-x\C-j" 'skk-mode)
(global-set-key "\C-xj" 'skk-auto-fill-mode)
(global-set-key "\C-xt" 'skk-tutorial)
(defun skk-isearch-setup-maybe ()
  (require 'skk-vars)
  (when (or (eq skk-isearch-mode-enable 'always)
            (and (boundp 'skk-mode)
                 skk-mode
                 skk-isearch-mode-enable))
    (skk-isearch-mode-setup)))

(defun skk-isearch-cleanup-maybe ()
  (require 'skk-vars)
  (when (and (featurep 'skk-isearch)
             skk-isearch-mode-enable)
    (skk-isearch-mode-cleanup)))

(add-hook 'isearch-mode-hook #'skk-isearch-setup-maybe)
(add-hook 'isearch-mode-end-hook #'skk-isearch-cleanup-maybe)
;; こちらで指定したskk.elを読むための設定
(setq skk-init-file (concat user-emacs-directory "skk"))

skk.el

;; 「;」の前置で変換ポイントを切る
(setq skk-sticky-key ";")
(setq skk-tut-file "@skk_tut@")