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

diff -Nurp deepin-kwin-5.25.0/src/helpers/wayland_wrapper/kwin_wrapper.cpp deepin-kwin-5.25.0-new/src/helpers/wayland_wrapper/kwin_wrapper.cpp
--- deepin-kwin-5.25.0/src/helpers/wayland_wrapper/kwin_wrapper.cpp	2023-03-30 08:55:43.000000000 +0800
+++ deepin-kwin-5.25.0-new/src/helpers/wayland_wrapper/kwin_wrapper.cpp	2023-04-18 22:51:13.352318847 +0800
@@ -22,6 +22,7 @@
 
 #include <QCoreApplication>
 #include <QDebug>
+#include <QHostInfo>
 #include <QProcess>
 #include <QTemporaryFile>
 #include <QDBusConnection>
@@ -70,8 +71,11 @@ KWinWrapper::KWinWrapper(QObject *parent
         }
         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 -Nurp deepin-kwin-5.25.0/src/xwl/lib/xauthority.cpp deepin-kwin-5.25.0-new/src/xwl/lib/xauthority.cpp
--- deepin-kwin-5.25.0/src/xwl/lib/xauthority.cpp	2023-03-30 08:55:43.000000000 +0800
+++ deepin-kwin-5.25.0-new/src/xwl/lib/xauthority.cpp	2023-04-18 22:52:58.253169705 +0800
@@ -45,7 +45,7 @@ static QByteArray generateXauthorityCook
     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 @@ bool generateXauthorityFile(int display,
         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 -Nurp deepin-kwin-5.25.0/src/xwl/lib/xauthority.h deepin-kwin-5.25.0-new/src/xwl/lib/xauthority.h
--- deepin-kwin-5.25.0/src/xwl/lib/xauthority.h	2023-03-30 08:55:43.000000000 +0800
+++ deepin-kwin-5.25.0-new/src/xwl/lib/xauthority.h	2023-04-18 22:53:42.849531429 +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);