From 907353b1e43195af775c6dc2075479774cb49783 Mon Sep 17 00:00:00 2001
From: Florian Klink <flokli@flokli.de>
Date: Tue, 16 Jun 2020 20:34:30 +0200
Subject: [PATCH] hplip: use wrapQtApp

Otherwise, things like hp-setup segfault if you run them from another
nixpkgs checkout:

```
HP Linux Imaging and Printing System (ver. 3.20.5)
Printer/Fax Setup Utility ver. 9.0

Copyright (c) 2001-18 HP Development Company, LP
This software comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to distribute it
under certain conditions. See COPYING file for more details.

qt.qpa.plugin: Could not find the Qt platform plugin "xcb" in ""
This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

[1]    4543 abort (core dumped)  result/bin/hp-setup
```
---
 pkgs/misc/drivers/hplip/default.nix | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/pkgs/misc/drivers/hplip/default.nix b/pkgs/misc/drivers/hplip/default.nix
index daedbe73e200..98ced28b8773 100644
--- a/pkgs/misc/drivers/hplip/default.nix
+++ b/pkgs/misc/drivers/hplip/default.nix
@@ -5,7 +5,7 @@
 , net-snmp, openssl, perl, nettools
 , bash, coreutils, utillinux
 # To remove references to gcc-unwrapped
-, removeReferencesTo
+, removeReferencesTo, qt5
 , withQt5 ? true
 , withPlugin ? false
 , withStaticPPDInstall ? false
@@ -67,7 +67,10 @@ python3Packages.buildPythonApplication {
     zlib
   ];
 
-  nativeBuildInputs = [ pkgconfig removeReferencesTo ];
+  nativeBuildInputs = [
+    pkgconfig
+    removeReferencesTo
+  ] ++ stdenv.lib.optional withQt5 qt5.wrapQtAppsHook;
 
   pythonPath = with python3Packages; [
     dbus
@@ -219,6 +222,10 @@ python3Packages.buildPythonApplication {
       --replace {,${utillinux}/bin/}logger \
       --replace {/usr,$out}/bin
     remove-references-to -t ${stdenv.cc.cc} $(readlink -f $out/lib/*.so)
+  '' + stdenv.lib.optionalString withQt5 ''
+    for f in $out/bin/hp-*;do
+      wrapQtApp $f
+    done
   '';
 
   # There are some binaries there, which reference gcc-unwrapped otherwise.