tree-wide: use allowUnfreePackages where applicable (#484367)

nixos/modules/hardware/facter/virtualisation.nix

@@ -105,7 +105,7 @@ in
     # parallels
     hardware.parallels.enable = lib.mkIf cfg.parallels.enable (lib.mkDefault true);
     nixpkgs.config = lib.mkIf (!options.nixpkgs.pkgs.isDefined && cfg.parallels.enable) {
-      allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [ "prl-tools" ];
+      allowUnfreePackages = [ "prl-tools" ];
     };
   };
 }

nixos/modules/installer/tools/nixos-generate-config.pl

@@ -300,7 +300,7 @@ if ($virt eq "oracle") {
 # It is blocked by https://github.com/systemd/systemd/pull/23859
 if ($virt eq "parallels") {
     push @attrs, "hardware.parallels.enable = true;";
-    push @attrs, "nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [ \"prl-tools\" ];";
+    push @attrs, "nixpkgs.config.allowUnfreePackages = [ \"prl-tools\" ];";
 }
 
 # Likewise for QEMU.

nixos/tests/sabnzbd-module.nix

@@ -60,7 +60,7 @@
       ];
 
       # unrar is unfree
-      nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [ "unrar" ];
+      nixpkgs.config.allowUnfreePackages = [ "unrar" ];
     };
 
   testScript = ''

pkgs/applications/networking/cluster/k3s/docs/examples/NVIDIA.md

@@ -17,7 +17,7 @@ services.xserver = {
   videoDrivers = [ "nvidia" ];
 };
 
-nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
+nixpkgs.config.allowUnfreePackages = [
   "nvidia-x11"
   "nvidia-settings"
 ];

pkgs/by-name/jo/joypixels/package.nix

@@ -47,14 +47,13 @@ let
     unfree licenses.
 
     configuration.nix:
-      nixpkgs.config.allowUnfreePredicate = pkg:
-        builtins.elem (lib.getName pkg) [
-          "joypixels"
-        ];
+      nixpkgs.config.allowUnfreePackages = [
+        "joypixels"
+      ];
       nixpkgs.config.joypixels.acceptLicense = true;
 
     config.nix:
-      allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
+      allowUnfreePackages = [
         "joypixels"
       ];
       joypixels.acceptLicense = true;