add build-all to flake.nix

flake.nix

@@ -16,7 +16,7 @@
   };
 
   outputs =
-    { nixpkgs, ... }@inputs:
+    { self, nixpkgs, ... }@inputs:
     let
       system = "x86_64-linux";
       pkgs = inputs.nixpkgs.legacyPackages.${system};
@@ -104,5 +104,24 @@
         system = "x86_64-linux";
         modules = [ ./os/hs/configuration.nix ];
       };
+
+      build-all = pkgs.runCommandNoCC "build-all" {
+        buildInputs = 
+          let osDerivation = name: self.nixosConfigurations.${name}.config.system.build.toplevel; in
+          let homeDerivation = name: self.homeConfigurations.${name}.activationPackage; in
+        [
+          (osDerivation "basado")
+          (osDerivation "moon")
+          (osDerivation "hs")
+          (homeDerivation "anvaure@Allegro23-12")
+          (homeDerivation "ant@hs")
+          (homeDerivation "ant@basado")
+          (homeDerivation "ant@moon")
+        ];
+      } ''
+        echo Build all derivations
+        mkdir -p $out
+      '';
+
   };
 }