fix maven and hm-up/np

home.nix

@@ -30,10 +30,11 @@
 
   # Set environment variables for all shells
   home.sessionVariables = {
-    NIX_PATH = "${config.home.homeDirectory}/.nix-defexpr/channels:nixpkgs=${config.home.homeDirectory}/.nix-defexpr/channels/nixpkgs";
-
     # Use bwrap for nix-portable
     NP_RUNTIME = "bwrap";
+
+    # This is missing for some reason and breaks alls kinds of Maven compilations.
+    MAVEN_OPTS="-Duser.home=${config.home.homeDirectory}";
   };
 
   # Create SSH environment file for non-interactive sessions
@@ -47,6 +48,8 @@
   home.packages = with pkgs; [
     nix
     eza
+
+    ripgrep
   ];
 
   # Bash configuration
@@ -73,7 +76,9 @@
     '';
 
     shellAliases = {
-      "hm-up" = "nix run github:nix-community/home-manager/release-25.05 -- switch --no-write-lock-file --refresh --flake  'git+https://g.t1.xyz/tb/nix-ebay-home.git#tbingmann'";
+      "hm-up" = "nix-portable nix run github:nix-community/home-manager/release-25.05 -- switch --refresh --flake  'git+https://g.t1.xyz/tb/nix-ebay-home.git#tbingmann'";
+
+      "np" = "nix-portable nix run nixpkgs#bashInteractive --offline";
     };
 
     # History configuration