      p.setProcessChannelMode(QProcess::ForwardedChannels);
      p.write(input);
      p.closeWriteChannel();
-@@ -343,7 +343,7 @@ QProcess *setupKSplash()
+@@ -425,7 +425,7 @@ QProcess *setupKSplash()
          KConfigGroup ksplashCfg = cfg.group("KSplash");
          if (ksplashCfg.readEntry("Engine", QStringLiteral("KSplashQML")) == QLatin1String("KSplashQML")) {
              p = new QProcess;

 }
 
 QStringList allServices(const QLatin1String &prefix)
@@ -267,8 +267,8 @@ void setupX11()
     //     If the user has overwritten fonts, the cursor font may be different now
     //     so don't move this up.
 
-    runSync(QStringLiteral("xsetroot"), {QStringLiteral("-cursor_name"), QStringLiteral("left_ptr")});
-    runSync(QStringLiteral("xprop"),
+    runSync(QStringLiteral(NIXPKGS_XSETROOT), {QStringLiteral("-cursor_name"), QStringLiteral("left_ptr")});
+    runSync(QStringLiteral(NIXPKGS_XPROP),
             {QStringLiteral("-root"),
              QStringLiteral("-f"),
              QStringLiteral("KDE_FULL_SESSION"),
@@ -276,7 +276,7 @@ void setupX11()
              QStringLiteral("-set"),
              QStringLiteral("KDE_FULL_SESSION"),
              QStringLiteral("true")});
-    runSync(QStringLiteral("xprop"),
+    runSync(QStringLiteral(NIXPKGS_XPROP),
             {QStringLiteral("-root"),
              QStringLiteral("-f"),
              QStringLiteral("KDE_SESSION_VERSION"),
@@ -288,8 +288,8 @@ void setupX11()
 
 void cleanupX11()
 {
-    runSync(QStringLiteral("xprop"), {QStringLiteral("-root"), QStringLiteral("-remove"), QStringLiteral("KDE_FULL_SESSION")});
-    runSync(QStringLiteral("xprop"), {QStringLiteral("-root"), QStringLiteral("-remove"), QStringLiteral("KDE_SESSION_VERSION")});
+    runSync(QStringLiteral(NIXPKGS_XPROP), {QStringLiteral("-root"), QStringLiteral("-remove"), QStringLiteral("KDE_FULL_SESSION")});
+    runSync(QStringLiteral(NIXPKGS_XPROP), {QStringLiteral("-root"), QStringLiteral("-remove"), QStringLiteral("KDE_SESSION_VERSION")});
 }
 
 // TODO: Check if Necessary
@@ -321,7 +321,7 @@ void setupFontDpi()
     // TODO port to c++?
     const QByteArray input = "Xft.dpi: " + QByteArray::number(fontsCfg.readEntry("forceFontDPI", 0));
     QProcess p;

     }
     return p;
-- 
2.33.0
