feat: adding rust lsp to neovim

nur.overlay -> nur.overlays.default

flake.lock

@@ -1,5 +1,26 @@
 {
   "nodes": {
+    "flake-parts": {
+      "inputs": {
+        "nixpkgs-lib": [
+          "nur",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1733312601,
+        "narHash": "sha256-4pDvzqnegAfRkPwO3wmwBhVi/Sye1mzps0zHWYnP88c=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "205b12d8b7cd4802fbcb8e8ef6a0f1408781a4f9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
     "flake-utils": {
       "inputs": {
         "systems": "systems"
@@ -53,11 +74,34 @@
         "type": "github"
       }
     },
+    "nur": {
+      "inputs": {
+        "flake-parts": "flake-parts",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "treefmt-nix": "treefmt-nix"
+      },
+      "locked": {
+        "lastModified": 1749201010,
+        "narHash": "sha256-haiPLogZwEFQTrIarZD92LUK7ScIcMbtEzPlcC988Qk=",
+        "owner": "nix-community",
+        "repo": "NUR",
+        "rev": "17efc5275a8f21e2b48f39ecade74cdaff3ba411",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "NUR",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "flake-utils": "flake-utils",
         "home-manager": "home-manager",
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "nur": "nur"
       }
     },
     "systems": {
@@ -74,6 +118,27 @@
         "repo": "default",
         "type": "github"
       }
+    },
+    "treefmt-nix": {
+      "inputs": {
+        "nixpkgs": [
+          "nur",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1733222881,
+        "narHash": "sha256-JIPcz1PrpXUCbaccEnrcUS8jjEb/1vJbZz5KkobyFdM=",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "rev": "49717b5af6f80172275d47a418c9719a31a78b53",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "type": "github"
+      }
     }
   },
   "root": "root",

flake.nix

@@ -8,18 +8,30 @@
       url = "github:nix-community/home-manager";
       inputs.nixpkgs.follows = "nixpkgs";
     };
-    #    nur = {
-    #      url = "github:nix-community/NUR";
-    #      inputs.nixpkgs.follows = "nixpkgs";
-    #    };
+    nur = {
+      url = "github:nix-community/NUR";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
   outputs =
     {
       nixpkgs,
       flake-utils,
       home-manager,
+      nur,
       ...
     }:
+    let
+      supportedSystems = [
+        "x86_64-linux"
+        "aarch64-darwin"
+        "aarch64-linux"
+      ];
+      forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
+      overlays = [
+        nur.overlays.default
+      ];
+    in
     {
       nixosConfigurations = {
         laptop = nixpkgs.lib.nixosSystem {
@@ -31,16 +43,20 @@
           ];
         };
       };
-    }
-    // flake-utils.lib.eachSystem flake-utils.lib.allSystems (system: {
-      formatter = nixpkgs.legacyPackages.${system}.nixfmt-rfc-style;
-      packages.homeConfigurations = {
-        irl = home-manager.lib.homeManagerConfiguration {
-          pkgs = import nixpkgs { inherit system; };
+      homeConfigurations = nixpkgs.lib.foldl' (
+        acc: system:
+        acc
+        // {
+          "irl-${system}" = home-manager.lib.homeManagerConfiguration {
+            pkgs = import nixpkgs {
+              inherit system overlays;
+            };
             modules = [ ./home/irl.nix ];
           };
-        irl-gui = home-manager.lib.homeManagerConfiguration {
-          pkgs = import nixpkgs { inherit system; };
+          "irl-gui-${system}" = home-manager.lib.homeManagerConfiguration {
+            pkgs = import nixpkgs {
+              inherit system overlays;
+            };
             modules = [
               ./home/irl.nix
               {
@@ -48,6 +64,10 @@
               }
             ];
           };
-      };
+        }
+      ) { } supportedSystems;
+    }
+    // flake-utils.lib.eachSystem supportedSystems (system: {
+      formatter = nixpkgs.legacyPackages.${system}.nixfmt-rfc-style;
     });
 }

home/irl.nix

@@ -13,17 +13,21 @@ in
 
   config = {
     home.username = "irl";
-    home.homeDirectory = "/home/irl";
+    home.homeDirectory =
+      if lib.strings.hasSuffix "darwin" pkgs.system then "/Users/irl" else "/home/irl";
     home.stateVersion = "25.05";
     home.packages = with pkgs; [
       fish
       neofetch
+      rust-analyzer
       starship
       tree
     ];
     home.shellAliases = {
       hms =
-        "home-manager switch --flake ~/.config/nix-configs#irl" + (if cfg.gui-packages then "-gui" else "");
+        "home-manager switch --flake ~/.config/nix-configs#irl"
+        + (if cfg.gui-packages then "-gui" else "")
+        + "-${pkgs.system}";
     };
     programs.bash = {
       enable = true;
@@ -39,11 +43,15 @@ in
       enable = true;
       profiles.irl = {
         extensions = {
-          #	  packages = with pkgs.nur.repos.rycee.firefox-addons; [
-          #	    bitwarden
-          #	    kagi-search
-          #            privacy-badger
-          #          ];
+          force = true;
+          packages = with pkgs.nur.repos.rycee.firefox-addons; [
+            bitwarden
+            kagi-search
+            privacy-badger
+          ];
+        };
+        settings = {
+          "extensions.autoDisableScope" = 0;
         };
       };
     };
@@ -86,8 +94,47 @@ in
       vimdiffAlias = true;
       plugins = with pkgs.vimPlugins; [
         bufferline-nvim
+        nvim-lspconfig
         nvim-treesitter.withAllGrammars
       ];
+      extraLuaConfig = ''
+        vim.lsp.config('rust_analyzer', {
+          settings = {
+            ['rust-analyzer'] = {},
+          },
+        })
+        vim.api.nvim_create_autocmd('LspAttach', {
+          group = vim.api.nvim_create_augroup('my.lsp', {}),
+          callback = function(args)
+            local client = assert(vim.lsp.get_client_by_id(args.data.client_id))
+            if client:supports_method('textDocument/implementation') then
+              -- Create a keymap for vim.lsp.buf.implementation ...
+            end
+
+            -- Enable auto-completion. Note: Use CTRL-Y to select an item. |complete_CTRL-Y|
+            if client:supports_method('textDocument/completion') then
+              -- Optional: trigger autocompletion on EVERY keypress. May be slow!
+              -- local chars = {}; for i = 32, 126 do table.insert(chars, string.char(i)) end
+              -- client.server_capabilities.completionProvider.triggerCharacters = chars
+
+              vim.lsp.completion.enable(true, client.id, args.buf, {autotrigger = true})
+            end
+
+            -- Auto-format ("lint") on save.
+            -- Usually not needed if server supports "textDocument/willSaveWaitUntil".
+            if not client:supports_method('textDocument/willSaveWaitUntil')
+                and client:supports_method('textDocument/formatting') then
+              vim.api.nvim_create_autocmd('BufWritePre', {
+                group = vim.api.nvim_create_augroup('my.lsp', {clear=false}),
+                buffer = args.buf,
+                callback = function()
+                  vim.lsp.buf.format({ bufnr = args.buf, id = client.id, timeout_ms = 1000 })
+                end,
+              })
+            end
+          end,
+        })
+      '';
     };
     programs.starship = {
       enable = true;

nixos/hosts/laptop/default.nix

@@ -53,7 +53,7 @@
   hardware.gpgSmartcards.enable = true;
   programs.gnupg.agent = {
     enable = true;
-    enableSSHSupport = true;
+    # enableSSHSupport = true;
   };
 
   system.stateVersion = "25.05";