First commit

OLD CONFIGS/nix_new/modules/nixos/apps/packages.nix

@@ -0,0 +1,41 @@
+{ lib, pkgs, ... }:
+
+let
+  # Adjust this path if you place apps.nix elsewhere in the repo.
+  # Best practice: keep it relative to the flake repo so flakes can read it.
+  packagesConfPath = ../../../files/conf/apps/packages.conf;
+
+  raw = builtins.readFile packagesConfPath;
+
+  # Split into lines, trim whitespace, drop empty lines and comment lines.
+  lines =
+    let
+      all = lib.splitString "\n" raw;
+      trimmed = map lib.strings.trim all;
+    in
+      builtins.filter (l: l != "" && !(lib.hasPrefix "#" l)) trimmed;
+
+  # Resolve a name like:
+  #   "wget" -> pkgs.wget
+  #   "kdePackages.okular" -> pkgs.kdePackages.okular
+  #   "_1password-gui" -> pkgs."_1password-gui"
+  resolvePkg = name:
+    let
+      parts = lib.splitString "." name;
+      found = lib.attrByPath parts null pkgs;
+    in
+      if found == null then
+        throw ''
+          apps.nix: Package "${name}" from ${toString packagesConfPath} not found in pkgs.
+          Only packages available on https://search.nixos.org/packages can be installed.
+          Fix the name (or attribute path) and rebuild.
+        ''
+      else
+        found;
+
+  packages = map resolvePkg lines;
+
+in
+{
+  environment.systemPackages = packages;
+}