create svg of dependency tree with nixsize

modules/home/apps/graphviz/default.nix

@@ -0,0 +1,24 @@
+{
+  lib,
+  config,
+  pkgs,
+  ...
+}:
+with lib;
+with lib.wyrdgard; let
+  cfg = config.wyrdgard.apps.graphviz;
+in {
+  options.wyrdgard.apps.graphviz = {
+    enable = mkBoolOpt true "Whether or not you want to install graphviz";
+  };
+
+  config = mkIf cfg.enable {
+    home.packages = with pkgs; [
+      graphviz
+    ];
+
+    home.shellAliases = {
+      nixsize = "nix-du -n=50 | dot -Tsvg > ~/Pictures/store.svg";
+    };
+  };
+}

modules/nixos/nix/default.nix

@@ -41,6 +41,7 @@ in {
       snowfallorg.flake
       nixfmt
       nix-prefetch-git
+      nix-du
     ];
 
     nix = let