cscript: Add interpreter passthru attributes

1 files changed, 31 insertions, 22 deletions

diff --git a/pkgs/cscript/default.nix b/pkgs/cscript/default.nix
index 8c6faae..602bbe7 100644
--- a/pkgs/cscript/default.nix
+++ b/pkgs/cscript/default.nix
@@ -2,29 +2,38 @@
   stdenv,
   lib,
   fetchFromGitHub,
-}:
-stdenv.mkDerivation rec {
-  pname = "cscript";
-  version = "16-11-2024"; # Date of latest commit.
+}: let
+  self = stdenv.mkDerivation rec {
+    pname = "cscript";
+    version = "16-11-2024"; # Date of latest commit.
 
-  src = fetchFromGitHub {
-    owner = "linnnus";
-    repo = pname;
-    rev = "855f35a4e6d5046000a1d9ff7b887ccd7c4a8c91";
-    hash = "sha256-d722f3K3QXnPqDVNVGBK+mj6Bl1VNShmJ4WICj0p64s=";
-  };
+    src = fetchFromGitHub {
+      owner = "linnnus";
+      repo = pname;
+      rev = "855f35a4e6d5046000a1d9ff7b887ccd7c4a8c91";
+      hash = "sha256-d722f3K3QXnPqDVNVGBK+mj6Bl1VNShmJ4WICj0p64s=";
+    };
+
+    preInstall = "mkdir -p $out/bin";
+    makeFlags = ["INSTALL=$(out)/bin"];
 
-  preInstall = "mkdir -p $out/bin";
-  makeFlags = ["INSTALL=$(out)/bin"];
+    passthru = rec {
+      # Mimic Python's interpreter attributes.
+      # See: https://nixos.org/manual/nixpkgs/stable/#attributes-on-interpreters-packages
+      executable = "cscript";
+      interpreter = "${self}/bin/${executable}";
+    };
 
-  meta = with lib; {
-    description = "My take on the native shebang programming task from Rosetta Code";
-    longDescription = ''
-      This package contains a C "interpreter". Behind the scenes it actually
-      compiles the file and runs it immediately, so it's not really an
-      interpreter. Point is, it allows you to use a shebang (just like
-      `#!/bin/sh`) to write C programs that execute like a Bash scripts.
-    '';
-    license = licenses.unlicense;
+    meta = with lib; {
+      description = "My take on the native shebang programming task from Rosetta Code";
+      longDescription = ''
+        This package contains a C "interpreter". Behind the scenes it actually
+        compiles the file and runs it immediately, so it's not really an
+        interpreter. Point is, it allows you to use a shebang (just like
+        `#!/bin/sh`) to write C programs that execute like a Bash scripts.
+      '';
+      license = licenses.unlicense;
+    };
   };
-}
+in
+  self