From f7c31b5b914f1f9ef96b869eea640eb223124285 Mon Sep 17 00:00:00 2001
From: uku <hi@uku.moe>
Date: Tue, 10 Sep 2024 17:14:08 +0200
Subject: [PATCH] fix: filter packages by system in outputs

---
 flake.nix | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/flake.nix b/flake.nix
index 5921f06..bc90af4 100644
--- a/flake.nix
+++ b/flake.nix
@@ -18,8 +18,19 @@
     flake-parts.lib.mkFlake {inherit inputs;} {
       systems = ["x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin"];
 
-      perSystem = {pkgs, ...}: {
-        packages = self.overlays.default {} pkgs;
+      perSystem = {
+        lib,
+        pkgs,
+        system,
+        ...
+      }: {
+        # output packages only if they are available on the system
+        packages = let
+          isAvailable = name: drv: lib.meta.availableOn {inherit system;} drv;
+          flakePkgs = self.overlays.default {} pkgs;
+        in
+          lib.filterAttrs isAvailable flakePkgs;
+
         formatter = pkgs.alejandra;
       };