refactor: replace lazyvim with nixvim

Author: henry40408

Makefile

@@ -6,7 +6,7 @@ ARCH := $(shell uname -m)
 WSL_DISTRO := $(strip $(WSL_DISTRO_NAME))
 
 fmt:
-	nixpkgs-fmt $(NIX_FILES)
+	nixfmt $(NIX_FILES)
 
 update:
 	nix flake update

flake.lock

@@ -7,26 +7,24 @@
 
     # Nixpkgs unstable
     # pull request: https://github.com/NixOS/nixpkgs/pull/311047
-    nixpkgs-unstable.url = "github:nixos/nixpkgs/817c3eccc985907e3cf8137232aa9a9715f695c8";
+    nixpkgs-unstable.url =
+      "github:nixos/nixpkgs/817c3eccc985907e3cf8137232aa9a9715f695c8";
 
     # Home manager
     home-manager.url = "github:nix-community/home-manager/release-24.05";
     home-manager.inputs.nixpkgs.follows = "nixpkgs";
 
     # NixOS WSL
     nixos-wsl.url = "github:nix-community/nixos-wsl/2405.5.4";
+
+    # nixvim
+    nixvim.url = "github:nix-community/nixvim/nixos-24.05";
+    nixvim.inputs.nixpkgs.follows = "nixpkgs";
   };
 
-  outputs =
-    { self
-    , nixpkgs
-    , home-manager
-    , ...
-    } @ inputs:
-    let
-      inherit (self) outputs;
-    in
-    {
+  outputs = { self, nixpkgs, home-manager, ... }@inputs:
+    let inherit (self) outputs;
+    in {
       # Your custom packages and modifications, exported as overlays
       overlays = import ./overlays { inherit inputs; };
 
@@ -47,17 +45,20 @@
       # Available through 'home-manager --flake .#your-username@your-hostname'
       homeConfigurations = {
         "nixos@all" = home-manager.lib.homeManagerConfiguration {
-          pkgs = nixpkgs.legacyPackages.x86_64-linux; # Home-manager requires 'pkgs' instance
+          pkgs =
+            nixpkgs.legacyPackages.x86_64-linux; # Home-manager requires 'pkgs' instance
           extraSpecialArgs = { inherit inputs outputs; };
           modules = [ ./home-manager/linux ];
         };
         "henry@darwin-legacy" = home-manager.lib.homeManagerConfiguration {
-          pkgs = nixpkgs.legacyPackages.x86_64-darwin; # Home-manager requires 'pkgs' instance
+          pkgs =
+            nixpkgs.legacyPackages.x86_64-darwin; # Home-manager requires 'pkgs' instance
           extraSpecialArgs = { inherit inputs outputs; };
           modules = [ ./home-manager/darwin ];
         };
         "henry@darwin" = home-manager.lib.homeManagerConfiguration {
-          pkgs = nixpkgs.legacyPackages.aarch64-darwin; # Home-manager requires 'pkgs' instance
+          pkgs =
+            nixpkgs.legacyPackages.aarch64-darwin; # Home-manager requires 'pkgs' instance
           extraSpecialArgs = { inherit inputs outputs; };
           modules = [ ./home-manager/darwin ];
         };