Patch nix
diff --git a/src/overlays/nix.nix b/src/overlays/nix.nix
new file mode 100644
index 0000000..0f715dc
--- /dev/null
+++ b/src/overlays/nix.nix
@@ -0,0 +1,7 @@
+final: prev:  {
+  nix = prev.nix.overrideAttrs (old: {
+    patches = (old.patches or []) ++ [
+      ./nix/5567-make-installables-expr-context.patch
+    ];
+  });
+}