global: replace fetchers with flake inputs

flake.nix

@@ -73,14 +73,19 @@
     };
 
   inputs = {
-    # Systems
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
 
+    # Systems
     home-manager = {
       url = "github:nix-community/home-manager";
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
+    nix-darwin = {
+      url = "github:lnl7/nix-darwin";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
     nix-on-droid = {
       url = "github:nix-community/nix-on-droid/prerelease-23.11";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -101,16 +106,28 @@
 
     flake-compat.url = "github:edolstra/flake-compat";
 
+    flake-utils.url = "github:numtide/flake-utils";
+
     # Formatter
     treefmt-nix = {
       url = "github:numtide/treefmt-nix";
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
+    pre-commit-hooks = {
+      url = "github:cachix/pre-commit-hooks.nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+      inputs.nixpkgs-stable.follows = "nixpkgs";
+      inputs.flake-compat.follows = "flake-compat";
+      inputs.flake-utils.follows = "flake-utils";
+    };
+
     # Scheming
     stylix = {
       url = "github:danth/stylix";
       inputs.nixpkgs.follows = "nixpkgs";
+      inputs.flake-compat.follows = "flake-compat";
+      inputs.home-manager.follows = "home-manager";
     };
 
     # Programs
@@ -119,7 +136,9 @@
       inputs.nixpkgs.follows = "nixpkgs";
       inputs.flake-compat.follows = "flake-compat";
       inputs.flake-parts.follows = "flake-parts";
+      inputs.pre-commit-hooks.follows = "pre-commit-hooks";
       inputs.home-manager.follows = "home-manager";
+      inputs.nix-darwin.follows = "nix-darwin";
     };
 
     ags = {
@@ -137,6 +156,10 @@
       inputs.nixpkgs.follows = "nixpkgs";
       inputs.flake-compat.follows = "flake-compat";
     };
+
+    # Assets
+    wallpaper.url = "file+https://raw.githubusercontent.com/zhichaoh/catppuccin-wallpapers/main/misc/rainbow-cat.png";
+    nixos-symbolic.url = "file+https://raw.githubusercontent.com/NixOS/nixos-artwork/master/logo/white.svg";
   };
 
   nixConfig = {

modules/home/ags/default.nix

@@ -1,7 +1,7 @@
 {
   config,
   lib,
-  pkgs,
+  nixos-symbolic,
   ...
 }:
 with lib; let
@@ -20,9 +20,6 @@ in {
       (color: "@define-color ${color} ${colors.withHashtag.${color}};")
       colorNames;
 
-    xdg.configFile."ags/src/assets/nixos-symbolic.svg".source = pkgs.fetchurl {
-      url = "https://raw.githubusercontent.com/NixOS/nixos-artwork/35ebbbf01c3119005ed180726c388a01d4d1100c/logo/white.svg";
-      hash = "sha256-Ed2l6i2wi/YTcWCq23bspH/t3RYp6AodykpXF1Zgccw=";
-    };
+    xdg.configFile."ags/src/assets/nixos-symbolic.svg".source = nixos-symbolic;
   };
 }

modules/home/stylix/default.nix

@@ -1,11 +1,12 @@
-{pkgs, ...}: {
+{
+  pkgs,
+  wallpaper,
+  ...
+}: {
   config = {
     stylix = {
       # placeholder
-      image = pkgs.fetchurl {
-        url = "https://raw.githubusercontent.com/zhichaoh/catppuccin-wallpapers/1023077979591cdeca76aae94e0359da1707a60e/misc/rainbow-cat.png";
-        hash = "sha256-WP+kQ7mgjpeekatDEPSP/XeDc5ZihCm+BxgqgwYDIEU=";
-      };
+      image = wallpaper;
 
       base16Scheme = "${pkgs.base16-schemes}/share/themes/catppuccin-mocha.yaml";
       fonts = rec {

modules/nixos/stylix/default.nix

@@ -1,10 +1,11 @@
-{pkgs, ...}: {
+{
+  pkgs,
+  wallpaper,
+  ...
+}: {
   config = {
     stylix = {
-      image = pkgs.fetchurl {
-        url = "https://raw.githubusercontent.com/zhichaoh/catppuccin-wallpapers/1023077979591cdeca76aae94e0359da1707a60e/misc/rainbow-cat.png";
-        hash = "sha256-WP+kQ7mgjpeekatDEPSP/XeDc5ZihCm+BxgqgwYDIEU=";
-      };
+      image = wallpaper;
       base16Scheme = "${pkgs.base16-schemes}/share/themes/catppuccin-mocha.yaml";
       fonts = rec {
         sansSerif = {