curlMinimal: 8.20.0 -> 8.21.0

https://github.com/curl/curl/releases/tag/curl-8_21_0

Signed-off-by: Sefa Eyeoglu <contact@scrumplex.net>
(cherry picked from commit 940ca9b84b)

pkgs/by-name/cu/curlMinimal/fix-wakeup-consumption.patch

@@ -1,32 +0,0 @@
-From 2a2104f3cff44bb28bb570a093be52bbeeed8f23 Mon Sep 17 00:00:00 2001
-From: Stefan Eissing <stefan@eissing.org>
-Date: Mon, 11 May 2026 14:56:04 +0200
-Subject: [PATCH] event: fix wakeup consumption
-
-The events on a multi wakeup socketpair were only consumed via
-curl_multi_poll()/curl_multi_wait() but not in event based processing on
-a curl_multi_socket() call. That led to busy loops as reported in
-
-Fixes #21547
-Reported-by: Earnestly on github
-Closes #21549
----
- lib/multi.c | 5 +++++
- 1 file changed, 5 insertions(+)
-
-diff --git a/lib/multi.c b/lib/multi.c
-index be32740a7097..5e84133f13fd 100644
---- a/lib/multi.c
-+++ b/lib/multi.c
-@@ -2703,6 +2703,11 @@ static CURLMcode multi_runsingle(struct Curl_multi *multi,
-   Curl_uint32_bset_remove(&multi->dirty, data->mid);
- 
-   if(data == multi->admin) {
-+#ifdef ENABLE_WAKEUP
-+    /* Consume any pending wakeup signals before processing.
-+     * This is necessary for event based processing. See #21547 */
-+    (void)Curl_wakeup_consume(multi->wakeup_pair, TRUE);
-+#endif
- #ifdef USE_RESOLV_THREADED
-     Curl_async_thrdd_multi_process(multi);
- #endif

pkgs/by-name/cu/curlMinimal/package.nix

@@ -89,7 +89,7 @@ let
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "curl";
-  version = "8.20.0";
+  version = "8.21.0";
 
   src = fetchurl {
     urls = [
@@ -98,16 +98,9 @@ stdenv.mkDerivation (finalAttrs: {
         builtins.replaceStrings [ "." ] [ "_" ] finalAttrs.version
       }/curl-${finalAttrs.version}.tar.xz"
     ];
-    hash = "sha256-Y/4twUi6DOromSLvg49+XJRicsLni3xZ+rS3nTziuJY=";
+    hash = "sha256-qhtmpw6s6D3GJFCHRWRsCK5WHeUSq0A63/uTrIf8cuY=";
   };
 
-  patches = [
-    # https://github.com/curl/curl/commit/2a2104f3cff44bb28bb570a093be52bbeeed8f23
-    # According to <https://curl.se/mail/distros-2026-05/0000.html>, this fixes
-    # a performance regression, causing high CPU usage
-    ./fix-wakeup-consumption.patch
-  ];
-
   # this could be accomplished by updateAutotoolsGnuConfigScriptsHook, but that causes infinite recursion
   # necessary for FreeBSD code path in configure
   postPatch = ''