nix: add packages

nix/configuration.nix

@@ -132,6 +132,9 @@
       hunspellDicts.de_DE
       hunspellDicts.en_US
       makemkv
+      audacity
+      gnome.cheese
+      unstable.zoom-us
     ];
   };
 
@@ -192,6 +195,7 @@
     wireguard-tools
     htop
     texlive.combined.scheme-medium
+    texlab
     usbutils # lsusb
     pciutils # lspci
     nixfmt
@@ -232,6 +236,10 @@
     discord
     lnav # log analyzing tool
     fdupes # find and delete duplicate files
+    digikam
+    dbeaver
+    pavucontrol
+    sqlite
   ];
 
   nixpkgs.overlays = [

nix/flake.nix

@@ -9,12 +9,12 @@
       let
         system = "x86_64-linux";
         overlay-unstable = final: prev: {
-          unstable = nixpkgs-unstable.legacyPackages.${prev.system};
+          # unstable = nixpkgs-unstable.legacyPackages.${prev.system};
           # use this variant if unfree packages are needed:
-          # unstable = import nixpkgs-unstable {
-          #   inherit system;
-          #   config.allowUnfree = true;
-          # };
+          unstable = import nixpkgs-unstable {
+            inherit system;
+            config.allowUnfree = true;
+          };
         };
       in {
         nixosConfigurations.nixos = nixpkgs.lib.nixosSystem {