File 0001-Export-consistent-hostname-as-XAUTHLOCALHOSTNAME.patch of Package deepin-kwin

diff -Nur deepin-kwin-5.27.2.203/src/helpers/wayland_wrapper/kwin_wrapper.cpp deepin-kwin-5.27.2.203-new/src/helpers/wayland_wrapper/kwin_wrapper.cpp
--- deepin-kwin-5.27.2.203/src/helpers/wayland_wrapper/kwin_wrapper.cpp	2024-07-18 10:23:34.000000000 +0800
+++ deepin-kwin-5.27.2.203-new/src/helpers/wayland_wrapper/kwin_wrapper.cpp	2024-08-12 22:37:40.981548545 +0800
@@ -23,6 +23,7 @@
 #include <QCoreApplication>
 #include <QDBusConnection>
 #include <QDebug>
+#include <QHostInfo>
 #include <QProcess>
 #include <QTemporaryFile>
 
@@ -71,8 +72,11 @@
         }
         if (m_xwlSocket) {
             if (!qEnvironmentVariableIsSet("KWIN_WAYLAND_NO_XAUTHORITY")) {
-                if (!generateXauthorityFile(m_xwlSocket->display(), &m_xauthorityFile)) {
+                const QByteArray hostname = QHostInfo::localHostName().toUtf8();
+                if (!generateXauthorityFile(m_xwlSocket->display(), &m_xauthorityFile, hostname)) {
                     qCWarning(KWIN_WRAPPER) << "Failed to create an Xauthority file";
+                } else {
+                    qputenv("XAUTHLOCALHOSTNAME", hostname);
                 }
             }
         }
diff -Nur deepin-kwin-5.27.2.203/src/xwayland/lib/xauthority.cpp deepin-kwin-5.27.2.203-new/src/xwayland/lib/xauthority.cpp
--- deepin-kwin-5.27.2.203/src/xwayland/lib/xauthority.cpp	2024-07-18 10:23:34.000000000 +0800
+++ deepin-kwin-5.27.2.203-new/src/xwayland/lib/xauthority.cpp	2024-08-12 22:38:40.688024726 +0800
@@ -45,7 +45,7 @@
     return cookie;
 }
 
-bool generateXauthorityFile(int display, QTemporaryFile *authorityFile)
+bool generateXauthorityFile(int display, QTemporaryFile *authorityFile, const QByteArray &hostname)
 {
     const QString runtimeDirectory = QStandardPaths::writableLocation(QStandardPaths::RuntimeLocation);
 
@@ -54,7 +54,6 @@
         return false;
     }
 
-    const QByteArray hostname = QHostInfo::localHostName().toUtf8();
     const QByteArray displayName = QByteArray::number(display);
     const QByteArray name = QByteArrayLiteral("MIT-MAGIC-COOKIE-1");
     const QByteArray cookie = generateXauthorityCookie();
diff -Nur deepin-kwin-5.27.2.203/src/xwayland/lib/xauthority.h deepin-kwin-5.27.2.203-new/src/xwayland/lib/xauthority.h
--- deepin-kwin-5.27.2.203/src/xwayland/lib/xauthority.h	2024-07-18 10:23:34.000000000 +0800
+++ deepin-kwin-5.27.2.203-new/src/xwayland/lib/xauthority.h	2024-08-12 22:39:10.957928158 +0800
@@ -9,6 +9,7 @@
 
 #pragma once
 
+class QByteArray;
 class QTemporaryFile;
 
-bool generateXauthorityFile(int display, QTemporaryFile *authorityFile);
+bool generateXauthorityFile(int display, QTemporaryFile *authorityFile, const QByteArray &hostname);