rewrite run-liminix-vm as a fennel program

the effect of shell quoting/word splitting rules was reaching
completely unreasonable, insofar as I was unable to reason about it

pkgs/run-liminix-vm/default.nix

@@ -1,19 +1,23 @@
 {
   qemu
 , socat
-, writeShellScriptBin
-, symlinkJoin
+, writeShellScript
+, writeFennel
+, runCommand
 , lib
+, lua
+, pkgsBuildBuild
 }: let
-  run-liminix-vm = writeShellScriptBin "run-liminix-vm" ''
-     export PATH="${lib.makeBinPath [qemu]}:$PATH"
-     ${builtins.readFile ./run-liminix-vm.sh}
-  '';
-  connect = writeShellScriptBin "connect-vm" ''
+  run-liminix-vm = pkgsBuildBuild.writeFennel "run-liminix-vm" {
+    packages = [ qemu lua.pkgs.luaposix lua.pkgs.fennel ];
+  } ./run-liminix-vm.fnl;
+  connect = writeShellScript "connect-vm" ''
     export PATH="${lib.makeBinPath [socat]}:$PATH"
     socat -,raw,echo=0,icanon=0,isig=0,icrnl=0,escape=0x0f unix-connect:$1
   '';
-in symlinkJoin {
-  name = "run-liminix-vm";
-  paths = [ run-liminix-vm connect ];
-}
+in runCommand "vm" {} ''
+  mkdir -p $out/bin
+  cd  $out/bin
+  ln -s ${connect} ./connect-vm
+  ln -s ${run-liminix-vm} ./run-liminix-vm
+''