3 files changed, 45 insertions, 15 deletions

diff --git a/src/libs/installer/utils.cpp b/src/libs/installer/utils.cpp
index d47caea89..e3a18100b 100644
--- a/src/libs/installer/utils.cpp
+++ b/src/libs/installer/utils.cpp
@@ -1,6 +1,6 @@
 /**************************************************************************
 **
-** Copyright (C) 2017 The Qt Company Ltd.
+** Copyright (C) 2020 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Installer Framework.
@@ -183,6 +183,23 @@ uint QInstaller::verboseLevel()
 }
 
 /*!
+    Returns a list of mutually exclusive options passed to the \a parser, if there is
+    at least one mutually exclusive pair of options set. Otherwise returns an empty
+    \c QStringList. The options considered mutual are provided with \a options.
+*/
+QStringList QInstaller::checkMutualOptions(CommandLineParser &parser, const QStringList &options)
+{
+    QStringList mutual;
+    foreach (const QString &option, options) {
+        if (parser.isSet(option))
+            mutual << option;
+    }
+    return mutual.count() > 1
+        ? mutual
+        : QStringList();
+}
+
+/*!
     \internal
 */
 std::ostream &QInstaller::operator<<(std::ostream &os, const QString &string)
@@ -512,5 +529,3 @@ QString QInstaller::windowsErrorString(int errorCode)
 }
 
 #endif
-
-
diff --git a/src/libs/installer/utils.h b/src/libs/installer/utils.h
index 74cc4917c..055f5cc0f 100644
--- a/src/libs/installer/utils.h
+++ b/src/libs/installer/utils.h
@@ -1,6 +1,6 @@
 /**************************************************************************
 **
-** Copyright (C) 2017 The Qt Company Ltd.
+** Copyright (C) 2020 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Installer Framework.
@@ -30,6 +30,7 @@
 #define QINSTALLER_UTILS_H
 
 #include "installer_global.h"
+#include "commandlineparser.h"
 
 #include <QtCore/QBuffer>
 #include <QtCore/QCryptographicHash>
@@ -66,6 +67,8 @@ namespace QInstaller {
     bool INSTALLER_EXPORT isVerbose();
     uint INSTALLER_EXPORT verboseLevel();
 
+    QStringList INSTALLER_EXPORT checkMutualOptions(CommandLineParser &parser, const QStringList &options);
+
     INSTALLER_EXPORT std::ostream& operator<<(std::ostream &os, const QString &string);
 
     class INSTALLER_EXPORT VerboseWriterOutput
diff --git a/src/sdk/main.cpp b/src/sdk/main.cpp
index ee4f9d74a..9b425bc98 100644
--- a/src/sdk/main.cpp
+++ b/src/sdk/main.cpp
@@ -85,17 +85,29 @@ int main(int argc, char *argv[])
     QString sanityMessage;
 
     QStringList mutually;
-    if (parser.isSet(CommandLineOptions::scStartUpdaterLong))
-        mutually << CommandLineOptions::scStartUpdaterLong;
-    if (parser.isSet(CommandLineOptions::scStartPackageManagerLong))
-        mutually << CommandLineOptions::scStartPackageManagerLong;
-    if (parser.isSet(CommandLineOptions::scStartUninstallerLong))
-        mutually << CommandLineOptions::scStartUninstallerLong;
-    // IFW 3.x.x style --updater option support provided for backward compatibility
-    if (parser.isSet(CommandLineOptions::scDeprecatedUpdater))
-        mutually << CommandLineOptions::scDeprecatedUpdater;
-
-    if (mutually.count() > 1) {
+    mutually = QInstaller::checkMutualOptions(parser, QStringList()
+        << CommandLineOptions::scStartUpdaterLong
+        << CommandLineOptions::scStartPackageManagerLong
+        << CommandLineOptions::scStartUninstallerLong
+        << CommandLineOptions::scDeprecatedUpdater);
+
+    if (mutually.isEmpty()) {
+        mutually = QInstaller::checkMutualOptions(parser, QStringList()
+            << CommandLineOptions::scSystemProxyLong
+            << CommandLineOptions::scNoProxyLong);
+    }
+    if (mutually.isEmpty()) {
+        mutually = QInstaller::checkMutualOptions(parser, QStringList()
+            << CommandLineOptions::scAcceptMessageQuery
+            << CommandLineOptions::scRejectMessageQuery
+            << CommandLineOptions::scMessageDefaultAnswer);
+    }
+    if (mutually.isEmpty()) {
+        mutually = QInstaller::checkMutualOptions(parser, QStringList()
+            << CommandLineOptions::scStartServerLong
+            << CommandLineOptions::scStartClientLong);
+    }
+    if (!mutually.isEmpty()) {
         sanityMessage = QString::fromLatin1("The following options are mutually exclusive: %1.")
             .arg(mutually.join(QLatin1String(", ")));
         sanityCheck = false;