From 9f58e7b926652dcdbea58694831f7dea58b882c6 Mon Sep 17 00:00:00 2001
From: Daniel Barlow <dan@telent.net>
Date: Sat, 7 Sep 2024 00:58:11 +0100
Subject: [PATCH] maybe fix nixpkgs-unstable lua

---
 overlay.nix                     | 6 ++----
 pkgs/run-liminix-vm/default.nix | 6 ++++--
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/overlay.nix b/overlay.nix
index 4812fac..98947ae 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -6,7 +6,7 @@ let
     inherit (final) lib callPackage;
   };
   inherit (final) fetchpatch;
-  lua_no_readline = prev.lua5_3.overrideAttrs(o: {
+  luaHost = prev.lua5_3.overrideAttrs(o: {
     name = "lua-tty";
     preBuild = ''
       makeFlagsArray+=(PLAT="posix" SYSLIBS="-Wl,-E -ldl"  CFLAGS="-O2 -fPIC -DLUA_USE_POSIX -DLUA_USE_DLOPEN")
@@ -43,7 +43,6 @@ let
         (if o ? patches then o.patches else []) ++
         (if patch_needed then [ patch ] else []);
     });
-  lua = let s = lua_no_readline.override { self = s; }; in s;
 in
 extraPkgs // {
   # liminix library functions
@@ -204,8 +203,7 @@ extraPkgs // {
     ];
   });
 
-  luaFull = prev.lua;
-  inherit lua;
+  lua = crossOnly prev.lua5_3 (_: luaHost);
 
   mtdutils = prev.mtdutils.overrideAttrs(o: {
     patches = (if o ? patches then o.patches else []) ++ [
diff --git a/pkgs/run-liminix-vm/default.nix b/pkgs/run-liminix-vm/default.nix
index 78dc4e6..4b926e3 100644
--- a/pkgs/run-liminix-vm/default.nix
+++ b/pkgs/run-liminix-vm/default.nix
@@ -4,13 +4,15 @@
   writeShellScript,
   writeFennel,
   runCommand,
+  fennel,
   lib,
   lua,
   pkgsBuildBuild,
 }:
 let
-  run-liminix-vm = pkgsBuildBuild.writeFennel "run-liminix-vm" {
-    packages = [ qemuLim lua.pkgs.luaposix lua.pkgs.fennel ];
+  writeFennel = pkgsBuildBuild.writeFennel.override { inherit lua; };
+  run-liminix-vm = writeFennel "run-liminix-vm" {
+    packages = [ qemuLim lua.pkgs.luaposix fennel ];
   } ./run-liminix-vm.fnl;
   connect = writeShellScript "connect-vm" ''
     export PATH="${lib.makeBinPath [ socat ]}:$PATH"