first

flake.nix

@@ -0,0 +1,38 @@
+{ description = "niss's silly extra packages";
+
+  outputs = all@{ self, nixpkgs, ... }:
+  let
+    inherit (nixpkgs.lib) genAttrs optionalAttrs systems;
+
+    forAllSystems = genAttrs systems.flakeExposed;
+    getCallPackage = system: nixpkgs.legacyPackages.${system}.callPackage;
+    ifLinux64 = system: attrs: optionalAttrs (system == "x86_64-linux") attrs;
+
+    linuxPackageNames =
+      [ "basilisk" "firefox-esr-alias" "isabelle" "multi-ghc" ];
+    fontNames =
+      [ "constructium" "fairfax-hd" "kreative-square" "muller"
+        "pragmatapro" "teranoptia" ];
+
+    linuxAppNames = [ "basilisk" "isabelle" "firefox-esr-alias" ];
+    linuxAppExes  = { "firefox-esr-alias" = "firefox-esr"; };
+
+    packagesInDir = names: dir: call:
+      genAttrs names (pkg: call ./${dir}/${pkg}.nix {});
+
+    linuxOnly = packagesInDir linuxPackageNames "apps";
+    fonts     = packagesInDir fontNames         "fonts";
+    all = system: call: ifLinux64 system (linuxOnly call) // fonts call;
+
+    makeApp = pkgs: name: {
+      type    = "app";
+      program = "${pkgs.${name}}/bin/${linuxAppExes.${name} or name}";
+    };
+
+    linuxApps = call: genAttrs linuxAppNames (makeApp (linuxOnly call));
+  in {
+    packages = forAllSystems (s: all s (getCallPackage s));
+    apps     = forAllSystems (s: ifLinux64 s (linuxApps (getCallPackage s)));
+    overlays = forAllSystems (s: final: prev: all s final.callPackage);
+  };
+}