feat(tools): introduce writeShellApplicationWithArgs

Signed-off-by: aeryz <[email protected]>

flake.nix

@@ -172,6 +172,8 @@
             args = {
               inherit nixpkgs dbg get-flake;
 
+              writeShellApplicationWithArgs = import ./tools/writeShellApplicationWithArgs.nix { inherit pkgs; };
+
               pkgs = nixpkgs.legacyPackages.${system}.appendOverlays
                 (with inputs; [
                   rust-overlay.overlays.default

tools/writeShellApplicationWithArgs.nix

@@ -0,0 +1,19 @@
+{ pkgs }:
+{ name, runtimeInputs ? [ ], arguments, text }: pkgs.writeShellApplication {
+  inherit name;
+  runtimeInputs = [ pkgs.argc ] ++ runtimeInputs;
+  text = ''
+    ${builtins.concatStringsSep "\n" (map (arg: "# @${arg.type}  --${arg.arg}${
+      if builtins.hasAttr "required" arg && builtins.hasAttr "multi" arg then "+"
+          else if builtins.hasAttr "required" arg then "!"
+          else if builtins.hasAttr "multi" arg then "*"
+          else if builtins.hasAttr "rawOpts" arg then "${arg.rawOpts}"
+          else ""
+        } ${arg.help}") arguments)}
+    ${builtins.concatStringsSep "\n" (map (arg: "argc_${arg.arg}=${arg.default or "0"}") arguments)}
+
+    eval "$(argc --argc-eval "$0" "$@")"
+
+    ${text}
+  '';
+}