refactored

home-manager/modules/nvim.nix

@@ -1,72 +1,38 @@
 {
   config,
   pkgs,
+  lib,
   ...
-}: {
+}: let
+  gitDir = "${pkgs.git}/bin/git";
+  nvim = "${config.home.homeDirectory}/.config/nvim";
+in {
+  programs.neovim = {
+    enable = true;
+    extraPython3Packages = ps: [ps.pynvim];
+  };
+
   home.packages = with pkgs; [
-    neovim
-    gnugrep
     git
     luajit
     luaPackages.luarocks
-    gopls
-    haskell-language-server
-    jdt-language-server
-    clang-tools
-    vscode-langservers-extracted
-    marksman
-    nil
-    taplo
-    yaml-language-server
-    sqls
-    alejandra
-    stylua
-    shfmt
-    yamlfmt
-    luaPackages.luacheck
-    yamllint
-    hadolint
-    shellcheck
-    cppcheck
-    rubocop
-    phpPackages.php-codesniffer
-    phpPackages.phpstan
-    checkstyle
-    tflint
-    sqlfluff
     tree-sitter
-    luajitPackages.jsregexp
-    jq
-    curl
-    unzip
   ];
 
-  home.sessionVariables = {
-    LUA_PATH = "${pkgs.luajit}/share/lua/5.1/?.lua;${pkgs.luajit}/share/lua/5.1/?/init.lua;;";
-    LUA_CPATH = "${pkgs.luajit}/lib/lua/5.1/?.so;;";
-  };
+  home.sessionPath = ["$HOME/.local/share/nvim/mason/bin"];
 
-  home.sessionPath = [
-    "$HOME/.local/share/nvim/mason/bin"
-  ];
-
-  xdg.configFile."nvim" = let
-    nvimConfigPath = "${config.home.homeDirectory}/.config/nvim";
-    # nvimDotfiles = builtins.fetchGit {
-    #   url = "https://github.com/alsaiduq-lab/nvim-dotfiles.git";
-    #   ref = "master";
-    #   rev = "71155b4a4b63d9974f1bc3b66303d6f7e5e06871";
-    # };
-  in {
-    source = pkgs.emptyDirectory;
-    recursive = true;
-    enable = !builtins.pathExists nvimConfigPath;
-    onChange = ''
-      echo "Neovim config at ${nvimConfigPath} was ${
-        if builtins.pathExists nvimConfigPath
-        then "skipped (already exists)"
-        else "installed"
-      }"
-    '';
-  };
+  home.activation.nvimConfig = lib.hm.dag.entryAfter ["writeBoundary"] ''
+    if [ ! -d "${nvim}/.git" ]; then
+      ${gitDir} clone --depth 1 \
+        https://github.com/alsaiduq-lab/nvim-dotfiles.git "${nvim}"
+      echo "Neovim config at ${nvim} was installed"
+    else
+      if ${gitDir} -C "${nvim}" pull --ff-only origin master \
+           | grep -q 'Already up to date.'; then
+        echo "Neovim config at ${nvim} is unchanged"
+      else
+        echo "Neovim config at ${nvim} was updated"
+      fi
+    fi
+  '';
 }