packages: improve per-system filtering

flake.nix

@@ -78,7 +78,7 @@
         (host: mkDeploy host // (overrides.${host} or {}) );
 
       depot = forSystems (system: import ./packages {
-        inherit inputs;
+        inherit inputs system;
         pkgs = nixpkgsFor system;
       });
 

packages/default.nix

@@ -1,4 +1,4 @@
-{ pkgs, inputs }@args:
+{ pkgs, inputs, system }@args:
 let
   patched-derivations = import ./patched-derivations.nix (pkgs // { flakePackages = all; });
   patched-inputs = import ./patched-inputs.nix args;
@@ -6,8 +6,11 @@ let
   all = patched-derivations
   // patched-inputs
   // projects.packages;
+  filters = import ./system-filter.nix;
 in {
-  packages = pkgs.lib.filterAttrs (_: pkg: pkg ? meta.platforms -> builtins.elem pkgs.system pkg.meta.platforms) all;
+  packages = pkgs.lib.filterAttrs (name: _:
+    filters ? "${name}" -> builtins.elem system filters."${name}"
+  ) all;
 
   inherit (projects) devShells;
 }

packages/patched-inputs.nix

@@ -1,9 +1,9 @@
 let tools = import ./lib/tools.nix;
 in with tools;
-{ inputs, pkgs, ... }: rec {
-  inherit (inputs.deploy-rs.packages.${pkgs.system}) deploy-rs;
+{ inputs, pkgs, system, ... }: rec {
+  inherit (inputs.deploy-rs.packages.${system}) deploy-rs;
 
-  nix-super = inputs.nix-super.defaultPackage.${pkgs.system};
+  nix-super = inputs.nix-super.defaultPackage.${system};
 
-  agenix = inputs.agenix.packages.${pkgs.system}.agenix.override { nix = nix-super; };
+  agenix = inputs.agenix.packages.${system}.agenix.override { nix = nix-super; };
 }

packages/projects.nix

@@ -1,6 +1,6 @@
-{ pkgs, inputs, ... }@args:
+{ pkgs, inputs, system, ... }@args:
 let
-  inherit (pkgs) lib system;
+  inherit (pkgs) lib;
   dream2nix = inputs.dream2nix.lib2.init {
     systems = [ system ];
     config = {
@@ -27,7 +27,7 @@ in
       };
       inherit (dream.packages.${system}) ghost;
     in
-      lib.recursiveUpdate ghost { meta.platforms = [ "x86_64-linux" ]; };
+      ghost;
 
     uptime-kuma = let
       dream = dream2nix.makeFlakeOutputs {
@@ -40,7 +40,7 @@ in
       };
       inherit (dream.packages.${system}) uptime-kuma;
     in
-      lib.recursiveUpdate uptime-kuma { meta.platforms = [ "x86_64-linux" ]; };
+      uptime-kuma;
 
     hyprspace = pkgs.callPackage ./networking/hyprspace { iproute2mac = null; };
 

packages/system-filter.nix

@@ -0,0 +1,4 @@
+{
+  ghost = [ "x86_64-linux" ];
+  uptime-kuma = [ "x86_64-linux" ];
+}