🔨 Add environment variables for luatex

Author: Freed-Wu

shell.nix

@@ -1,10 +1,12 @@
-{ pkgs ? import <nixpkgs> { } }:
+{
+  pkgs ? import <nixpkgs> { },
+}:
 
 with pkgs;
-mkShell {
+mkShell rec {
   name = "prompt-style.lua";
   buildInputs = [
-    (luajit.withPackages (
+    (lua5_3.withPackages (
       p: with p; [
         ansicolors
         argparse
@@ -16,4 +18,10 @@ mkShell {
       ]
     ))
   ];
+  shellHook = ''
+    export LUAINPUTS_luatex='lua;${builtins.elemAt buildInputs 0}/share/lua/5.3'
+    export CLUAINPUTS_luatex='${builtins.elemAt buildInputs 0}/lib/lua/5.3'
+    export LUAINPUTS_luahbtex="$LUAINPUTS_luatex"
+    export CLUAINPUTS_luahbtex="$CLUAINPUTS_luatex"
+  '';
 }