update nix

profiles/nix/default.nix

@@ -7,6 +7,7 @@
       "https://nix-community.cachix.org"
     ];
     binaryCachePublicKeys = [
+      "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
       "nixos-rocm.cachix.org-1:VEpsf7pRIijjd8csKjFNBGzkBqOmw8H9PRmgAq14LnE="
       "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
     ];
@@ -20,8 +21,9 @@
 
     autoOptimiseStore = false;
 
-    package = inputs.nix.packages.${system}.nix.overrideAttrs (oa: {
+    package = inputs.nix.defaultPackage.x86_64-linux.overrideAttrs (oa: {
-      patches = [ ./nix.patch ] ++ oa.patches or [];
+      patches = [ ./nix.patch ./unset-is-macho.patch ] ++ oa.patches or [ ];
+      doInstallCheck = false;
     });
 
     extraOptions = ''

profiles/nix/nix.patch

@@ -40,3 +40,20 @@ index e04954d45..5649bd01a 100644
          globals.dryRun = false;
          globals.preserveInstalled = false;
          globals.removeAll = false;
+diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc
+index f27331534..386a664d9 100644
+--- a/src/libexpr/primops.cc
++++ b/src/libexpr/primops.cc
+@@ -1862,9 +1862,9 @@ static void addPath(
+         if (state.store->isInStore(path)) {
+             auto [storePath, subPath] = state.store->toStorePath(path);
+             auto info = state.store->queryPathInfo(storePath);
+-            if (!info->references.empty())
+-                throw EvalError("store path '%s' is not allowed to have references",
+-                    state.store->printStorePath(storePath));
++            // if (!info->references.empty())
++            //     throw EvalError("store path '%s' is not allowed to have references",
++            //         state.store->printStorePath(storePath));
+             path = state.store->toRealPath(storePath) + subPath;
+         }
+ 

profiles/nix/unset-is-macho.patch

@@ -0,0 +1,13 @@
+diff --git a/src/nix/get-env.sh b/src/nix/get-env.sh
+index 42c806450..a8563c772 100644
+--- a/src/nix/get-env.sh
++++ b/src/nix/get-env.sh
+@@ -8,6 +8,8 @@ if [[ -n $stdenv ]]; then
+     source $stdenv/setup
+ fi
+
++unset -f isMachO
++
+ # Better to use compgen, but stdenv bash doesn't have it.
+ __vars="$(declare -p)"
+ __functions="$(declare -F)"