update some jank

build-racket-package.nix

@@ -9,6 +9,9 @@
   constructDrv = stdenv.mkDerivation;
   excludeDrvArgNames = [
     "dependencies"
+    "tetheredInstallation"
+    "doMainSetup"
+    "buildDocs"
   ];
   extendDrvArgs = finalAttrs:
     {

make-racket-env.nix

@@ -12,4 +12,6 @@
 
   dependencies = packages;
   tetheredInstallation = true;
+
+  racketEnvOnly = true;
 }

racket-install-hook.sh

@@ -132,7 +132,7 @@ EOF
     rm $out/bin/mzscheme # ????
   fi
 
-  if [ -f "nix-racket-env-only" ]; then
+  if [ "$racketEnvOnly" == "1" ]; then
     echo Skipping raco pkg install
   else
     echo Running raco pkg install