first commit

hydra.nix

@@ -0,0 +1,20 @@
+{
+  inputs,
+  outputs,
+}: let
+  inherit (inputs.nixpkgs) lib;
+
+  notBroken = pkg: !(pkg.meta.broken or false);
+  isDistributable = pkg: (pkg.meta.license or {redistributable = true;}=.redistributable;
+  hasPlatform = sys: pkg: lib.elem sys (pkg.meta.platforms or [sys]);
+  filterValidPkgs = sys: pkgs:
+    lib.filterAttrs(_: pkg:
+      lib.isDerivation pkg
+      && hasPlatform sys pkg
+      && notBroken pkg
+      && isDistributable pkg)
+    pkgs;
+in {
+  pkgs  = lib.mapAttrs filterValidPkgs outputs.packages;
+  hosts = lib.mapAttrs (_: cfg: cfg.config.system.build.toplevel) outputs.nixosConfigurations;
+  homes = lib.mapAttrs (_: cfg: cfg.activationPackage) outputs.homeConfigurations;