feat: move nix settings to nix.nix

.envrc

@@ -0,0 +1 @@
+use flake

.gitattributes

@@ -0,0 +1 @@
+assets/** filter=lfs diff=lfs merge=lfs -text

.pre-commit-config.yaml

@@ -0,0 +1,6 @@
+repos:
+  - repo: https://github.com/nixos/nixfmt
+    rev: v1.2.0
+    hooks:
+      - id: nixfmt-nix
+        args: [--, --check]

assets/lockscreen.png

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:47098eed6a818a4e6181e2cdd6d1244b2adc46d748da5944a7bf89068eb1c8ad
+size 497830

assets/wallpaper.png

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0d5ab6c3434f2b1b8ebac566fef17fad16dbb6415d76ab06e6abf483b563bc25
+size 16097396

flake.nix

@@ -74,7 +74,7 @@
         system = "x86_64-linux";
         format = "install-iso";
         specialArgs = { inherit inputs; };
-        modules = [ ./iso.nix ];
+        modules = [ ./hosts/live-iso/configuration.nix ];
       };
 
       nixosConfigurations = {
@@ -94,11 +94,22 @@
         lib = nixpkgs.lib;
       } { };
     }
-    // flake-utils.lib.eachDefaultSystem (system: {
-      packages = import ./packages {
-        inherit my-lib;
-        lib = nixpkgs.lib;
-      } (inputs // { inherit system; });
-      formatter = nixpkgs.legacyPackages.${system}.nixfmt-rfc-style;
-    });
+    // flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+      in
+      {
+        packages = import ./packages {
+          inherit my-lib;
+          lib = nixpkgs.lib;
+        } (inputs // { inherit system; });
+
+        formatter = pkgs.nixfmt-tree;
+
+        devShells.default = pkgs.mkShell {
+          packages = [ pkgs.pre-commit ];
+        };
+      }
+    );
 }

hosts/matej-nixos/configuration.nix

@@ -24,11 +24,6 @@ in
 
   yubikey.enable = true;
 
-  nix.settings.experimental-features = [
-    "nix-command"
-    "flakes"
-  ];
-
   stylix = {
     enable = true;
     polarity = "dark";

lib/mkHost.nix

@@ -18,22 +18,13 @@ let
     user: import ../users/${user}/home-manager.nix { inherit inputs; }
   );
 
-  gib_in_bytes = 1073741824;
 in
 
 nixpkgs.lib.nixosSystem {
   inherit system;
   modules = [
 
-    {
-      nix.settings = {
-        download-buffer-size = 1 * gib_in_bytes;
-        experimental-features = [
-          "nix-command"
-          "flakes"
-        ];
-      };
-    }
+    ../nix.nix
 
     { nixpkgs.overlays = overlays; }
     { nixpkgs.config.allowUnfree = true; }

nix.nix

@@ -0,0 +1,23 @@
+{
+  nix = {
+    settings = {
+      experimental-features = [
+        "nix-command"
+        "flakes"
+      ];
+      download-buffer-size = 2 * 1024 * 1024 * 1024;
+      warn-dirty = false;
+    };
+
+    gc = {
+      automatic = true;
+      dates = "monthly";
+      options = "--delete-older-than 30d";
+    };
+
+    optimise = {
+      automatic = true;
+      dates = [ "monthly" ];
+    };
+  };
+}

treefmt.toml

@@ -1,4 +0,0 @@
-[formatter.nix]
-command = "nix"
-options = ["fmt"]
-includes = [ "*.nix" ]

users/matej/home-manager.nix

@@ -26,6 +26,7 @@ in
 
     # git and co
     pkgs.git
+    pkgs.git-lfs
     packages.git-linearize
     packages.ggman
 
@@ -56,6 +57,11 @@ in
 
   home.file.".assets".source = "${inputs.self}/assets";
 
+  programs.direnv = {
+    enable = true;
+    nix-direnv.enable = true;
+  };
+
   stylix.targets.neovim.enable = false;
   programs.neovim = {
     enable = true;