From 2f62b09ac8975825cfe9f8f383d48e02f52bb1c4 Mon Sep 17 00:00:00 2001
From: Guillaume Girol <symphorien+git@xlumurb.eu>
Date: Wed, 1 Jun 2022 12:00:00 +0000
Subject: [PATCH] giac-with-xcas: fix command to open help inside browser

---
 pkgs/applications/science/math/giac/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/applications/science/math/giac/default.nix b/pkgs/applications/science/math/giac/default.nix
index d684865432d..434291861d6 100644
--- a/pkgs/applications/science/math/giac/default.nix
+++ b/pkgs/applications/science/math/giac/default.nix
@@ -43,6 +43,9 @@ stdenv.mkDerivation rec {
     rm src/mkjs
     substituteInPlace src/Makefile.am --replace "g++ mkjs.cc" \
       "${buildPackages.stdenv.cc.targetPrefix}c++ mkjs.cc"
+
+    # to open help
+    substituteInPlace src/global.cc --replace 'browser="mozilla"' 'browser="xdg-open"'
   '';
 
   nativeBuildInputs = [