From 9bbedb09c08bd3eefc23f7f32422772f444441a6 Mon Sep 17 00:00:00 2001
From: Pierre Martin <pierre@front-commerce.com>
Date: Mon, 24 Aug 2026 15:52:47 +0200
Subject: [PATCH] =?UTF-8?q?fix(mattermost):=C2=A0patch=20local=20temporair?=
 =?UTF-8?q?e=20pour=20corriger=20un=20bug=20identifi=C3=A9=20upstream?=
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---
 home.nix | 30 +++++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/home.nix b/home.nix
index e63c65b..6b273ca 100644
--- a/home.nix
+++ b/home.nix
@@ -4,7 +4,35 @@
   home.stateVersion = "22.05";
 
   # Temporary overlays for patches
-  nixpkgs.overlays = [ ];
+  nixpkgs.overlays = [
+    # TODO: supprimer cet overlay quand la PR nixpkgs #553674 aura landed
+    # et sera arrivée dans le canal, puis `make update`.
+    #
+    # Le koffi.node livré précompilé par mattermost-desktop n'a pas de RPATH :
+    # sans libstdc++ dans LD_LIBRARY_PATH l'app refuse de démarrer.
+    # Régression introduite par le bump 6.2.2 -> 6.3.0.
+    #
+    # Bump fautif : https://github.com/NixOS/nixpkgs/pull/552245
+    # Signalement : https://github.com/NixOS/nixpkgs/pull/552245#issuecomment-5313115848
+    # Correctif   : https://github.com/NixOS/nixpkgs/pull/553674
+    (final: prev: {
+      mattermost-desktop = prev.symlinkJoin {
+        inherit (prev.mattermost-desktop) name meta;
+        paths = [ prev.mattermost-desktop ];
+        nativeBuildInputs = [ prev.makeWrapper ];
+        postBuild = ''
+          wrapProgram $out/bin/mattermost-desktop \
+            --prefix LD_LIBRARY_PATH : ${prev.lib.makeLibraryPath [ prev.stdenv.cc.cc.lib ]}
+
+          rm $out/share/applications/Mattermost.desktop
+          substitute \
+            ${prev.mattermost-desktop}/share/applications/Mattermost.desktop \
+            $out/share/applications/Mattermost.desktop \
+            --replace-fail ${prev.mattermost-desktop}/bin $out/bin
+        '';
+      };
+    })
+  ];
 
   home.file.".docker/cli-plugins/docker-buildx".source =
     "${pkgs.docker-buildx}/libexec/docker/cli-plugins/docker-buildx";