kdesu: provide a script in bin and look for daemon first in /run/wrappers/bin

pkgs/desktops/plasma-5/kde-cli-tools.nix

@@ -1,5 +1,5 @@
 {
-  mkDerivation, extra-cmake-modules, kdoctools,
+  lib, mkDerivation, extra-cmake-modules, kdoctools,
   kcmutils, kconfig, kdesu, ki18n, kiconthemes, kinit, kio, kwindowsystem,
   qtsvg, qtx11extras, kactivities, plasma-workspace
 }:
@@ -11,4 +11,18 @@ mkDerivation {
     kcmutils kconfig kdesu ki18n kiconthemes kinit kio kwindowsystem qtsvg
     qtx11extras kactivities plasma-workspace
   ];
+  postInstall = ''
+    # install a symlink in bin so that kdesu can eventually be found in PATH
+    mkdir -p $out/bin
+    ln -s $out/libexec/kf5/kdesu $out/bin
+  '';
+  dontWrapQtApps = true;
+  preFixup = ''
+    for program in $out/bin/*; do
+      wrapQtApp $program
+    done
+
+    # kdesu looks for kdeinit5 in PATH
+    wrapQtApp $out/libexec/kf5/kdesu --suffix PATH : ${lib.getBin kinit}/bin
+  '';
 }

pkgs/development/libraries/kde-frameworks/default.nix

@@ -149,7 +149,7 @@ let
       kdeclarative = callPackage ./kdeclarative.nix {};
       kded = callPackage ./kded.nix {};
       kdesignerplugin = callPackage ./kdesignerplugin.nix {};
-      kdesu = callPackage ./kdesu.nix {};
+      kdesu = callPackage ./kdesu {};
       kdewebkit = callPackage ./kdewebkit.nix {};
       kemoticons = callPackage ./kemoticons.nix {};
       kglobalaccel = callPackage ./kglobalaccel.nix {};

pkgs/development/libraries/kde-frameworks/kdesu.nix → pkgs/development/libraries/kde-frameworks/kdesu/default.nix

@@ -11,4 +11,5 @@ mkDerivation {
   buildInputs = [ kcoreaddons ki18n kpty kservice qtbase ];
   propagatedBuildInputs = [ kpty ];
   outputs = [ "out" "dev" ];
+  patches = [ ./kdesu-search-for-wrapped-daemon-first.patch ];
 }

pkgs/development/libraries/kde-frameworks/kdesu/kdesu-search-for-wrapped-daemon-first.patch

@@ -0,0 +1,38 @@
+From 01af4d2a098e5819c09bca37568941dcd4b89d0b Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
+Date: Thu, 16 Jul 2020 13:21:42 -0300
+Subject: [PATCH] Search for the daemon first in /run/wrappers/bin
+
+If looking first in libexec, the eventually wrapped one in
+/run/wrappers/bin can not be found.
+---
+ src/client.cpp | 13 ++++++++-----
+ 1 file changed, 8 insertions(+), 5 deletions(-)
+
+diff --git a/src/client.cpp b/src/client.cpp
+index 44fbacd..6b5abf5 100644
+--- a/src/client.cpp
++++ b/src/client.cpp
+@@ -378,11 +378,14 @@ int KDEsuClient::stopServer()
+
+ static QString findDaemon()
+ {
+-    QString daemon = QFile::decodeName(CMAKE_INSTALL_FULL_LIBEXECDIR_KF5 "/kdesud");
+-    if (!QFile::exists(daemon)) { // if not in libexec, find it in PATH
+-        daemon = QStandardPaths::findExecutable(QStringLiteral("kdesud"));
+-        if (daemon.isEmpty()) {
+-            qWarning() << "kdesud daemon not found.";
++    QString daemon = QFile::decodeName("/run/wrappers/bin/kdesud");
++    if (!QFile::exists(daemon)) { // if not in wrappers
++        daemon = QFile::decodeName(CMAKE_INSTALL_FULL_LIBEXECDIR_KF5 "/kdesud");
++        if (!QFile::exists(daemon)) { // if not in libexec, find it in PATH
++            daemon = QStandardPaths::findExecutable(QStringLiteral("kdesud"));
++            if (daemon.isEmpty()) {
++                qWarning() << "kdesud daemon not found.";
++            }
+         }
+     }
+     return daemon;
+-- 
+2.27.0
+