From e757223addd03633c3ad9cef1bcd3d558cad1589 Mon Sep 17 00:00:00 2001
From: Yueh-Shun Li <shamrocklee@posteo.net>
Date: Fri, 29 Aug 2025 16:43:45 +0800
Subject: [PATCH] review-shell: specify ignoreSingleFileOutputs = true whenever
 supported

---
 nixpkgs_review/nix/review-shell.nix | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/nixpkgs_review/nix/review-shell.nix b/nixpkgs_review/nix/review-shell.nix
index 7b0c318f..ff57cbee 100644
--- a/nixpkgs_review/nix/review-shell.nix
+++ b/nixpkgs_review/nix/review-shell.nix
@@ -26,11 +26,17 @@ let
     in
     map (attrString: lib.attrByPath (lib.splitString "." attrString) null system-pkg) system-attrs;
   attrs = lib.flatten (lib.mapAttrsToList extractPackagesForSystem (import attrs-path));
-  env = local-pkgs.buildEnv {
-    name = "env";
-    paths = attrs;
-    ignoreCollisions = true;
-  };
+  supportIgnoreSingleFileOutputs = (lib.functionArgs local-pkgs.buildEnv) ? ignoreSingleFileOutputs;
+  env = local-pkgs.buildEnv (
+    {
+      name = "env";
+      paths = attrs;
+      ignoreCollisions = true;
+    }
+    // lib.optionalAttrs supportIgnoreSingleFileOutputs {
+      ignoreSingleFileOutputs = true;
+    }
+  );
 in
 (import nixpkgs-path { }).mkShell {
   name = "review-shell";