From 16b9ef444a45a4fabbfe87fe6b952df856833475 Mon Sep 17 00:00:00 2001
From: Syndamia <kamen@syndamia.com>
Date: Sun, 28 Dec 2025 11:51:02 +0200
Subject: fix(overlays): Fix input hashes of unigine benchmarks

---
 overlays/unigine-hash-fixes/default.nix            | 23 ++++++++++++++++++++++
 .../unigine-hash-fixes/superposition-hash.patch    | 13 ++++++++++++
 2 files changed, 36 insertions(+)
 create mode 100644 overlays/unigine-hash-fixes/default.nix
 create mode 100644 overlays/unigine-hash-fixes/superposition-hash.patch

diff --git a/overlays/unigine-hash-fixes/default.nix b/overlays/unigine-hash-fixes/default.nix
new file mode 100644
index 0000000..5c2957e
--- /dev/null
+++ b/overlays/unigine-hash-fixes/default.nix
@@ -0,0 +1,23 @@
+final: prev: rec {
+  unigine-heaven = prev.unigine-heaven.overrideAttrs (prevAttrs: {
+    src = builtins.fetchurl {
+      inherit (prevAttrs.src) url;
+      sha256 = "15z3v2ad84wm37pphqk162dwcz0a5i46p4zs5dy1sqnmxmfjxnsj";
+    };
+  });
+  # unigine-superposition isn't a simple derivation, the actual fetcher
+  # is "hidden" behind a let binding in the source code
+  unigine-superposition =
+    let
+      pkgs = import
+        (final.applyPatches {
+            name = "fix-superposition";
+            src = final.path;
+            patches = [
+              ./superposition-hash.patch
+            ];
+          }).out
+        { inherit (final) system; config.allowUnfree = true; };
+    in
+      pkgs.unigine-superposition;
+}
diff --git a/overlays/unigine-hash-fixes/superposition-hash.patch b/overlays/unigine-hash-fixes/superposition-hash.patch
new file mode 100644
index 0000000..9afa4c1
--- /dev/null
+++ b/overlays/unigine-hash-fixes/superposition-hash.patch
@@ -0,0 +1,13 @@
+diff --git a/pkgs/applications/graphics/unigine-superposition/default.nix b/pkgs/applications/graphics/unigine-superposition/default.nix
+index 8510096d8..14bcbe371 100644
+--- a/pkgs/applications/graphics/unigine-superposition/default.nix
++++ b/pkgs/applications/graphics/unigine-superposition/default.nix
+@@ -37,7 +37,7 @@ let
+ 
+     src = fetchurl {
+       url = "https://assets.unigine.com/d/Unigine_Superposition-${version}.run";
+-      sha256 = "12hzlz792pf8pvxf13fww3qhahqzwzkxq9q3mq20hbhvaphbg7nd";
++      sha256 = "1y40wmfrbdjkmiv4k7cjg62bvzwvkp5xbm8k2lbg57pm7g3y353l";
+     };
+ 
+     nativeBuildInputs = [
-- 
cgit v1.3.1-23-gd82d