From 8382e78fdb6e4314e7906ec862cb4ea9dcd2076a Mon Sep 17 00:00:00 2001
From: Samuel Ainsworth <skainsworth@gmail.com>
Date: Sat, 27 Aug 2022 01:40:33 +0000
Subject: [PATCH] cudaPackages.cudnn: migrate to `hash` and SRI hashes

---
 .../development/libraries/science/math/cudnn/extension.nix | 2 +-
 pkgs/development/libraries/science/math/cudnn/generic.nix  | 7 ++-----
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/pkgs/development/libraries/science/math/cudnn/extension.nix b/pkgs/development/libraries/science/math/cudnn/extension.nix
index 265e09f436ab..01ec5e4b9b5d 100644
--- a/pkgs/development/libraries/science/math/cudnn/extension.nix
+++ b/pkgs/development/libraries/science/math/cudnn/extension.nix
@@ -37,7 +37,7 @@ final: prev: let
       rec {
         fileVersion = "10.0";
         fullVersion = "7.4.2.24";
-        sha256 = "18ys0apiz9afid2s6lvy9qbyi8g66aimb2a7ikl1f3dm09mciprf";
+        hash = "sha256-Lt/IagK1DRfojEeJVaMy5qHoF05+U6NFi06lH68C2qM=";
         url = "${urlPrefix}/v${majorMinorPatch fullVersion}/cudnn-10.0-linux-x64-v${fullVersion}.tgz";
         supportedCudaVersions = [ "10.0" ];
       }
diff --git a/pkgs/development/libraries/science/math/cudnn/generic.nix b/pkgs/development/libraries/science/math/cudnn/generic.nix
index 1a798ad704a2..773d130ba735 100644
--- a/pkgs/development/libraries/science/math/cudnn/generic.nix
+++ b/pkgs/development/libraries/science/math/cudnn/generic.nix
@@ -21,13 +21,10 @@
 
 { fullVersion
 , url
-, hash ? ""
-, sha256 ? ""
+, hash
 , supportedCudaVersions ? [ ]
 }:
 
-assert (hash != "") || (sha256 != "");
-
 assert useCudatoolkitRunfile || (libcublas != null);
 
 let
@@ -46,7 +43,7 @@ stdenv.mkDerivation {
   inherit version;
 
   src = fetchurl {
-    inherit url hash sha256;
+    inherit url hash;
   };
 
   # Check and normalize Runpath against DT_NEEDED using autoPatchelf.