mbqn: init at 0.0.0+unstable=2021-10-01

pkgs/development/interpreters/bqn/mlochbaum-bqn/001-libbqn-path.patch

@@ -0,0 +1,12 @@
+diff -Naur source-old/bqn.js source-new/bqn.js
+--- source-old/bqn.js	1969-12-31 21:00:01.000000000 -0300
++++ source-new/bqn.js	2021-10-03 01:28:00.268998916 -0300
+@@ -4,7 +4,7 @@
+ let path = require('path');
+ let fs = require('fs');
+ 
+-let bqn = require("./docs/bqn.js");
++let bqn = require("@libbqn@");
+ module.exports = bqn;
+ let {fmt,fmtErr,sysvals,sysargs,makebqn,makerepl}=bqn;
+ let {has,list,str,unstr,dynsys,req1str,makens}=bqn.util;

pkgs/development/interpreters/bqn/mlochbaum-bqn/default.nix

@@ -0,0 +1,64 @@
+{ lib
+, stdenvNoCC
+, fetchFromGitHub
+, makeWrapper
+, nodejs
+}:
+
+stdenvNoCC.mkDerivation rec {
+  pname = "bqn";
+  version = "0.0.0+unstable=2021-10-01";
+
+  src = fetchFromGitHub {
+    owner = "mlochbaum";
+    repo = "BQN";
+    rev = "b3d68f730d48ccb5e3b3255f9010c95bf9f86e22";
+    hash = "sha256-Tkgwz7+d25svmjRsXFUQq0S/73QJU+BKSNeGqpUcBTQ=";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  buildInputs = [ nodejs ];
+
+  patches = [
+    # Creates a @libbqn@ substitution variable
+    ./001-libbqn-path.patch
+  ];
+
+  dontConfigure = true;
+
+  dontBuild = true;
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/bin $out/share/${pname}
+    cp bqn.js $out/share/${pname}/bqn.js
+    cp docs/bqn.js $out/share/${pname}/libbqn.js
+
+    makeWrapper "${lib.getBin nodejs}/bin/node" "$out/bin/mbqn" \
+      --add-flags "$out/share/${pname}/bqn.js"
+
+    ln -s $out/bin/mbqn $out/bin/bqn
+
+    runHook postInstall
+  '';
+
+  fixupPhase = ''
+    runHook preFixup
+
+    substituteInPlace $out/share/${pname}/bqn.js \
+      --subst-var-by "libbqn" "$out/share/${pname}/libbqn.js"
+
+    runHook postFixup
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/mlochbaum/BQN/";
+    description = "The original BQN implementation in Javascript";
+    license = licenses.isc;
+    maintainers = with maintainers; [ AndersonTorres ];
+    platforms = platforms.all;
+  };
+}
+# TODO: install docs and other stuff

pkgs/top-level/all-packages.nix

@@ -12832,6 +12832,9 @@ with pkgs;
   babashka = callPackage ../development/interpreters/clojure/babashka.nix { };
 
   # BQN interpreters and compilers
+
+  mbqn = callPackage ../development/interpreters/bqn/mlochbaum-bqn { };
+
   cbqn = cbqn-phase2;
   # And the classic bootstrapping process
   cbqn-phase0 = callPackage ../development/interpreters/bqn/cbqn {