Initial port

split into each target

flake.nix

@@ -0,0 +1,85 @@
+{
+  description = "nix-command-utils";
+
+  inputs = {
+    nixpkgs.url = "nixpkgs/nixos-23.11";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs { inherit system; };
+
+        cmd = description: script: { inherit description script; };
+
+        command = { name, script, description ? "<No description given>" }:
+          {
+            inherit name description;
+
+            package =
+              pkgs.writeScriptBin name ''
+              #!${pkgs.bash}/bin/bash
+              echo "⚙️  Running ${name}..."
+              ${script}
+            '';
+          };
+
+        commands = defs:
+          let
+            names =
+              builtins.attrNames defs;
+
+            helper =
+              let
+                lengths = map builtins.stringLength names;
+                maxLen = builtins.foldl' (acc: x: if x > acc then x else acc) 0 lengths;
+                maxPad =
+                  let
+                    go = acc:
+                      if builtins.stringLength acc >= maxLen
+                      then acc
+                      else go (" " + acc);
+                  in
+                    go "";
+
+                folder = acc: name:
+                  let
+                    nameLen = builtins.stringLength name;
+                    padLen = maxLen - nameLen;
+                    padding = builtins.substring 0 padLen maxPad;
+                  in
+                    acc + " && echo '${name} ${padding}| ${(builtins.getAttr name defs).description}'";
+
+                lines =
+                  builtins.foldl' folder "echo ''" names;
+
+              in
+                pkgs.writeScriptBin "menu" ''
+                  #!${pkgs.stdenv.shell}
+                  ${pkgs.figlet}/bin/figlet "Commands" | ${pkgs.lolcat}/bin/lolcat
+                  ${toString lines}
+                '';
+
+            mapper = name:
+              let
+                element =
+                  builtins.getAttr name defs;
+
+                task = command {
+                  inherit name;
+                  description = element.description;
+                  script = element.script;
+                };
+              in
+                task.package;
+
+            packages =
+              map mapper names;
+
+          in
+            [ helper ] ++ packages;
+      in
+        { inherit cmd command commands; }
+    );
+}
+