replicate github:nix-systems/*

flake.nix

@@ -0,0 +1,44 @@
+{
+  description = "MyNib - My Nix Library";
+
+  inputs = {
+    # # Externally extensible flake systems
+    # # REF: https://github.com/nix-systems/nix-systems
+    systems = {
+      url = "github:nix-systems/default";
+      flake = false;
+    };
+  };
+
+  outputs = {
+    self,
+    inputs,
+    ...
+  } @ args: rec {
+    # REF: https://github.com/nix-systems/nix-systems
+    archs = {
+      x86_64 = "x86_64";
+      aarch64 = "aarch64";
+      riscv64 = "riscv64";
+    };
+
+    osnames = {
+      linux = "linux";
+      darwin = "darwin";
+    };
+
+    systemName = arch: osname: "${arch}-${osname}";
+
+    systems = let
+      mkSystem = arch: osname: let x = systemName; in {x = x;};
+    in
+      with archs;
+      with osnames; {
+        inherit (mkSystem x86_64 linux);
+        inherit (mkSystem x86_64 darwin);
+        inherit (mkSystem aarh64 linux);
+        inherit (mkSystem aarh64 darwin);
+        inherit (mkSystem riscv64 linux);
+      };
+  };
+}