From 8bd0cd850b9808734589065f4f720ea202e5bddf Mon Sep 17 00:00:00 2001
From: K900 <me@0upti.me>
Date: Fri, 4 Aug 2023 15:34:30 +0300
Subject: [PATCH] requireFile: fix error message with SRI hashes

---
 pkgs/build-support/trivial-builders/default.nix | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/pkgs/build-support/trivial-builders/default.nix b/pkgs/build-support/trivial-builders/default.nix
index d095974513cb..dcdac09004bb 100644
--- a/pkgs/build-support/trivial-builders/default.nix
+++ b/pkgs/build-support/trivial-builders/default.nix
@@ -824,9 +824,10 @@ rec {
         or
           nix-prefetch-url --type ${hashAlgo} file:///path/to/${name_}
       '';
-      hashAlgo = if hash != null then ""
+      hashAlgo = if hash != null then (builtins.head (lib.strings.splitString "-" hash))
             else if sha256 != null then "sha256"
             else "sha1";
+      hashAlgo_ = if hash != null then "" else hashAlgo;
       hash_ = if hash != null then hash
          else if sha256 != null then sha256
          else sha1;
@@ -835,7 +836,7 @@ rec {
     stdenvNoCC.mkDerivation {
       name = name_;
       outputHashMode = hashMode;
-      outputHashAlgo = hashAlgo;
+      outputHashAlgo = hashAlgo_;
       outputHash = hash_;
       preferLocalBuild = true;
       allowSubstitutes = false;