feat: add nvd diff checker

SwarselSystems.org

@@ -6205,6 +6205,20 @@ This section houses the greetd related settings. I do not really want to use a d
   }
 #+end_src
 
+**** Summary of nixos-rebuild diff
+
+#+begin_src nix :tangle profiles/common/nixos/nvd-rebuild.nix
+  { pkgs, ... }:
+  {
+    system.activationScripts.diff = {
+      supportsDryActivation = true;
+      text = ''
+        ${pkgs.nvd}/bin/nvd --nix-bin-dir=${pkgs.nix}/bin diff \
+             /run/current-system "$systemConfig"
+      '';
+    };
+  }
+#+end_src
 
 **** gnome-keyring
 
@@ -6508,6 +6522,7 @@ Programming languages and default lsp's are defined here: [[#h:0e7e8bea-ec58-499
       util-linux
       nmap
       lsof
+      nvd
 
       # nix
       alejandra

profiles/common/home/packages.nix

@@ -6,7 +6,7 @@
     # audio stuff
     spek # spectrum analyzer
     losslessaudiochecker
-    ffmpeg_5-full
+    ffmpeg_7-full
     flac
     mediainfo
     picard-tools
@@ -25,6 +25,7 @@
     util-linux
     nmap
     lsof
+    nvd
 
     # nix
     alejandra
@@ -48,7 +49,7 @@
     xournalpp
     obsidian
     spotify
-    discord
+    vesktop # discord client
     stable.nextcloud-client
     spotify-player
     element-desktop-wayland
@@ -159,6 +160,7 @@
     waybarupdate
     opacitytoggle
     fs-diff
+    update-checker
 
     (pkgs.writeScriptBin "project" ''
       #! ${pkgs.bash}/bin/bash

profiles/common/nixos/nvd-rebuild.nix

@@ -0,0 +1,10 @@
+{ pkgs, ... }:
+{
+  system.activationScripts.diff = {
+    supportsDryActivation = true;
+    text = ''
+      ${pkgs.nvd}/bin/nvd --nix-bin-dir=${pkgs.nix}/bin diff \
+           /run/current-system "$systemConfig"
+    '';
+  };
+}