From ac27176316752d40f61e29f6efbfd9932e384746 Mon Sep 17 00:00:00 2001
From: Samuel Ainsworth <skainsworth@gmail.com>
Date: Sun, 18 Apr 2021 16:52:18 -0700
Subject: [PATCH 1/2] mbedtls: 2.16.9 -> 2.26.0

---
 pkgs/development/libraries/mbedtls/default.nix | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/mbedtls/default.nix b/pkgs/development/libraries/mbedtls/default.nix
index 2e25399d979..90baec04e22 100644
--- a/pkgs/development/libraries/mbedtls/default.nix
+++ b/pkgs/development/libraries/mbedtls/default.nix
@@ -11,13 +11,13 @@
 
 stdenv.mkDerivation rec {
   pname = "mbedtls";
-  version = "2.16.9"; # nixpkgs-update: no auto update
+  version = "2.26.0"; # nixpkgs-update: no auto update
 
   src = fetchFromGitHub {
     owner = "ARMmbed";
     repo = "mbedtls";
     rev = "${pname}-${version}";
-    sha256 = "0mz7n373b8d287crwi6kq2hb8ryyi228j38h25744lqai23qj5cf";
+    sha256 = "0scwpmrgvg6q7rvqkc352d2fqlsx0aylcbyibcp1f1rsn8iiif2m";
   };
 
   nativeBuildInputs = [ cmake ninja perl python3 ];
@@ -30,6 +30,10 @@ stdenv.mkDerivation rec {
   '';
 
   cmakeFlags = [ "-DUSE_SHARED_MBEDTLS_LIBRARY=on" ];
+  NIX_CFLAGS_COMPILE = [
+    "-Wno-error=format"
+    "-Wno-error=format-truncation"
+  ];
 
   meta = with lib; {
     homepage = "https://tls.mbed.org/";

From ffe009394a8537c18daffebde3d6ff282b4d196a Mon Sep 17 00:00:00 2001
From: Samuel Ainsworth <skainsworth@gmail.com>
Date: Sun, 18 Apr 2021 18:02:35 -0700
Subject: [PATCH 2/2] mbedtls: add comment clarifying `no auto update`

---
 pkgs/development/libraries/mbedtls/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/libraries/mbedtls/default.nix b/pkgs/development/libraries/mbedtls/default.nix
index 90baec04e22..057e8694529 100644
--- a/pkgs/development/libraries/mbedtls/default.nix
+++ b/pkgs/development/libraries/mbedtls/default.nix
@@ -11,6 +11,10 @@
 
 stdenv.mkDerivation rec {
   pname = "mbedtls";
+  # Auto updates are disabled due to repology listing dev releases as release
+  # versions. See
+  #  * https://github.com/NixOS/nixpkgs/pull/119838#issuecomment-822100428
+  #  * https://github.com/NixOS/nixpkgs/commit/0ee02a9d42b5fe1825b0f7cee7a9986bb4ba975d
   version = "2.26.0"; # nixpkgs-update: no auto update
 
   src = fetchFromGitHub {