racket-minimal: add writeScript[Bin]

pkgs/development/interpreters/racket/minimal.nix

@@ -13,6 +13,8 @@
   disableDocs ? false,
 
   callPackage,
+
+  writers,
 }:
 
 let
@@ -117,12 +119,31 @@ stdenv.mkDerivation (finalAttrs: {
     '';
 
   passthru = {
+    # Functionalities #
+    writeScript =
+      nameOrPath:
+      {
+        libraries ? [ ],
+        ...
+      }@config:
+      assert lib.assertMsg (libraries == [ ]) "library integration for Racket has not been implemented";
+      writers.makeScriptWriter (
+        builtins.removeAttrs config [ "libraries" ]
+        // {
+          interpreter = "${lib.getExe finalAttrs.finalPackage}";
+        }
+      ) nameOrPath;
+    writeScriptBin = name: finalAttrs.passthru.writeScript "/bin/${name}";
+
     # Tests #
     tests = builtins.mapAttrs (name: path: callPackage path { racket = finalAttrs.finalPackage; }) {
       ## Basic ##
       write-greeting = ./tests/write-greeting.nix;
       get-current-launcher-variant = ./tests/get-current-launcher-variant.nix;
       load-libs = ./tests/load-libs.nix;
+
+      ## Nixpkgs supports ##
+      nix-write-script = ./tests/nix-write-script.nix;
     };
   };
 

pkgs/development/interpreters/racket/tests/nix-write-script.nix

@@ -0,0 +1,26 @@
+{ runCommandLocal, racket }:
+
+let
+  script = racket.writeScript "racket-test-nix-write-script-the-script" { } ''
+    #lang racket/base
+    (display "success")
+    (newline)
+  '';
+in
+
+runCommandLocal "racket-test-nix-write-script"
+  {
+    nativeBuildInputs = [ racket ];
+  }
+  ''
+    expectation="success"
+
+    output="$(${script})"
+
+    if test "$output" != "$expectation"; then
+        echo "output mismatch: expected ''${expectation}, but got ''${output}"
+        exit 1
+    fi
+
+    touch $out
+  ''