From b13ccf503b1240a3c043e60532a33cf3a4fe1448 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Fri, 14 Feb 2020 18:03:20 -0300
Subject: [PATCH] mate.mate-user-guide: use absolute path of yelp

---
 pkgs/desktops/mate/mate-user-guide/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/desktops/mate/mate-user-guide/default.nix b/pkgs/desktops/mate/mate-user-guide/default.nix
index 89a5e9720e6..c092bb56961 100644
--- a/pkgs/desktops/mate/mate-user-guide/default.nix
+++ b/pkgs/desktops/mate/mate-user-guide/default.nix
@@ -13,6 +13,11 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ yelp ];
 
+  postPatch = ''
+    substituteInPlace mate-user-guide.desktop.in.in \
+      --replace "Exec=yelp" "Exec=${yelp}/bin/yelp"
+  '';
+
   meta = with stdenv.lib; {
     description = "MATE User Guide";
     homepage = "https://mate-desktop.org";