From fef5d0f72d1ee1f044e127bc8918787ead94c0b8 Mon Sep 17 00:00:00 2001
From: Hythera <87016780+Hythera@users.noreply.github.com>
Date: Thu, 21 May 2026 20:46:52 +0200
Subject: [PATCH] libmamba: 2.4.0 -> 2.6.2

changelog: https://github.com/mamba-org/mamba/blob/2.6.2/CHANGELOG.md

diff: https://github.com/mamba-org/mamba/compare/2.4.0...2.6.2
---
 pkgs/by-name/li/libmamba/package.nix                   | 7 +++++--
 pkgs/by-name/ma/mamba-cpp/package.nix                  | 2 ++
 pkgs/development/python-modules/libmambapy/default.nix | 2 ++
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/pkgs/by-name/li/libmamba/package.nix b/pkgs/by-name/li/libmamba/package.nix
index bd063f6cee84..ad6052e1061a 100644
--- a/pkgs/by-name/li/libmamba/package.nix
+++ b/pkgs/by-name/li/libmamba/package.nix
@@ -12,6 +12,7 @@
   reproc,
   libsolv,
   curl,
+  msgpack-c,
   libarchive,
   zstd,
   nix-update-script,
@@ -21,13 +22,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "libmamba";
-  version = "2.4.0";
+  version = "2.6.2";
 
   src = fetchFromGitHub {
     owner = "mamba-org";
     repo = "mamba";
     tag = finalAttrs.version;
-    hash = "sha256-ojcAS5NYAhklACrBkmSHRPNiVLjUR/umll0vhoFnFBs=";
+    hash = "sha256-qvUo2OD+vh5oXF/ckz9vJyiQ9wpEbTrC+C4oYXOGFAU=";
   };
 
   nativeBuildInputs = [
@@ -45,6 +46,7 @@ stdenv.mkDerivation (finalAttrs: {
     reproc
     libsolv
     curl
+    msgpack-c
     libarchive
     zstd
     bzip2
@@ -52,6 +54,7 @@ stdenv.mkDerivation (finalAttrs: {
 
   cmakeFlags = [
     (lib.cmakeBool "BUILD_LIBMAMBA" true)
+    (lib.cmakeBool "BUILD_LIBMAMBA_SPDLOG" true)
     (lib.cmakeBool "BUILD_SHARED" true)
   ];
 
diff --git a/pkgs/by-name/ma/mamba-cpp/package.nix b/pkgs/by-name/ma/mamba-cpp/package.nix
index 344a9e9d3eef..56a781e6bdae 100644
--- a/pkgs/by-name/ma/mamba-cpp/package.nix
+++ b/pkgs/by-name/ma/mamba-cpp/package.nix
@@ -4,6 +4,7 @@
   bzip2,
   cmake,
   cli11,
+  msgpack-c,
   yaml-cpp,
   nlohmann_json,
   zstd,
@@ -29,6 +30,7 @@ stdenv.mkDerivation {
     zstd
     bzip2
     cli11
+    msgpack-c
     yaml-cpp
     libmamba
   ];
diff --git a/pkgs/development/python-modules/libmambapy/default.nix b/pkgs/development/python-modules/libmambapy/default.nix
index 84eada8537bb..80602a461941 100644
--- a/pkgs/development/python-modules/libmambapy/default.nix
+++ b/pkgs/development/python-modules/libmambapy/default.nix
@@ -3,6 +3,7 @@
   python,
   buildPythonPackage,
   cmake,
+  msgpack-c,
   ninja,
   libmamba,
   pybind11,
@@ -43,6 +44,7 @@ buildPythonPackage rec {
     bzip2
     spdlog
     fmt
+    msgpack-c
     tl-expected
     nlohmann_json
     yaml-cpp