From 49ec48c3dbd4b8fca343918d87684e8a25d9c1c4 Mon Sep 17 00:00:00 2001
From: Yueh-Shun Li <shamrocklee@posteo.net>
Date: Thu, 10 Jul 2025 03:36:26 +0800
Subject: [PATCH] fetchhg: fix hash assertion; make overridable when sha256 set

Fix commit ef2f8315bf53 ("fetchhg: make argument hash overridable")
---
 pkgs/build-support/fetchhg/default.nix | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/pkgs/build-support/fetchhg/default.nix b/pkgs/build-support/fetchhg/default.nix
index 1e5e76ec4ca0..45319bad3f68 100644
--- a/pkgs/build-support/fetchhg/default.nix
+++ b/pkgs/build-support/fetchhg/default.nix
@@ -30,16 +30,14 @@ lib.extendMkDerivation {
 
       outputHashAlgo = if finalAttrs.hash != null && finalAttrs.hash != "" then null else "sha256";
       outputHashMode = "recursive";
-      outputHash =
-        lib.throwIf (finalAttrs.hash != null && sha256 != null) "Only one of sha256 or hash can be set"
-          (
-            if finalAttrs.hash != null then
-              finalAttrs.hash
-            else if sha256 != null then
-              sha256
-            else
-              ""
-          );
+      outputHash = lib.throwIf (hash != null && sha256 != null) "Only one of sha256 or hash can be set" (
+        if finalAttrs.hash != null then
+          finalAttrs.hash
+        else if sha256 != null then
+          sha256
+        else
+          ""
+      );
 
       inherit url rev hash;
       inherit preferLocalBuild;