chore(MI0698-1858): add migration cmd line option

Author: JasonSun0593

src/libs/installer/commandlineparser.cpp

@@ -285,6 +285,11 @@ CommandLineParser::CommandLineParser()
     cleanupUpdateOnly.setFlags(QCommandLineOption::HiddenFromHelp);
     addOption(cleanupUpdateOnly);
 
+    //Migratiton option
+    addOption(QCommandLineOption(QStringList()
+        << CommandLineOptions::scMigration,
+        QLatin1String("Use migration option.")));
+
     // Deprecated options
     QCommandLineOption deprecatedUpdater(CommandLineOptions::scDeprecatedUpdater);
     deprecatedUpdater.setFlags(QCommandLineOption::HiddenFromHelp);

src/libs/installer/constants.h

@@ -178,6 +178,7 @@ static const QLatin1String scLogo("Logo");
 static const QLatin1String scBackground("Background");
 static const QLatin1String scPageListPixmap("PageListPixmap");
 static const QLatin1String scAliasDefinitionsFile("AliasDefinitionsFile");
+static const QLatin1String scMigrationFlag("Migration");
 const char scRelocatable[] = "@RELOCATABLE_PATH@";
 
 static const QStringList scMetaElements = {
@@ -312,6 +313,9 @@ static const QLatin1String scMaxConcurrentOperationsLong("max-concurrent-operati
 static const QLatin1String scCleanupUpdate("cleanup-update");
 static const QLatin1String scCleanupUpdateOnly("cleanup-update-only");
 
+//Migratiton option
+static const QLatin1String scMigration("migration");
+
 // Deprecated options, provided only for backward compatibility
 static const QLatin1String scDeprecatedUpdater("updater");
 static const QLatin1String scDeprecatedCheckUpdates("checkupdates");

src/sdk/sdkapp.h

@@ -339,6 +339,11 @@ class SDKApp : public T
 
         }
 
+        //migration mode
+        if (m_parser.isSet(CommandLineOptions::scMigration)) {
+            m_core->setValue(QInstaller::scMigrationFlag, QLatin1String("true"));
+        }
+
         if (m_parser.isSet(CommandLineOptions::scLocalCachePathLong)) {
             const QString cachePath = m_parser.value(CommandLineOptions::scLocalCachePathLong);
             if (cachePath.isEmpty()) {