flake: update configuration, add proper outputs and arm64 target

flake.lock

@@ -10,10 +10,9 @@
         "type": "github"
       },
       "original": {
-        "owner": "NixOS",
+        "id": "nixpkgs",
         "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
+        "type": "indirect"
-        "type": "github"
       }
     },
     "root": {

flake.nix

@@ -2,31 +2,47 @@
   description = "A very basic flake";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    nixpkgs.url = "nixpkgs/nixpkgs-unstable";
   };
 
   outputs = {
     self,
     nixpkgs,
   }: let
+    supportedSystems = ["x86_64-linux" "aarch64-linux"];
+    forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
+    nixpkgsFor = forAllSystems (system: import nixpkgs {inherit system;});
     pkgs = nixpkgs.legacyPackages.x86_64-linux.pkgs;
   in {
-    nvim = pkgs.mkShell {
+    packages = forAllSystems (system: let
-      nativeBuildInputs = [
+      pkgs = nixpkgsFor.${system};
-        pkgs.alejandra
+    in {
-        pkgs.ccls
+      nvim = import ./nvim-lsp.nix {inherit pkgs;};
-        pkgs.luaformatter
+    });
-        pkgs.nixd
+
-        pkgs.pyright
+    devShells = forAllSystems (system: let
-        pkgs.rust-analyzer
+      pkgs = nixpkgsFor.${system};
-        pkgs.sumneko-lua-language-server
+    in {
-        pkgs.svls
+      default = pkgs.mkShell {
-        pkgs.texlab
+        nativeBuildInputs = [
-        pkgs.tree-sitter
+          pkgs.alejandra
-        pkgs.verible
+          pkgs.ccls
-        pkgs.zls
+          pkgs.gopls
-        (import ./nvim-lsp.nix {inherit pkgs;})
+          pkgs.luaformatter
-      ];
+          pkgs.nixd
-    };
+          pkgs.pyright
+          pkgs.rust-analyzer
+          pkgs.sumneko-lua-language-server
+          pkgs.svls
+          pkgs.texlab
+          pkgs.tree-sitter
+          pkgs.verible
+          pkgs.zls
+          (import ./nvim-lsp.nix {inherit pkgs;})
+        ];
+      };
+    });
+
+    defaultPackage = forAllSystems (system: self.packages.${system}.nvim);
   };
 }