From f0a2d609066d8ba45f9e03f16950669ecdf590d3 Mon Sep 17 00:00:00 2001
From: Martchus <martchus@gmx.net>
Date: Sat, 15 Sep 2018 18:42:14 +0200
Subject: [PATCH] cli: Abort editing config if nothing has changed

---
 cli/application.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cli/application.cpp b/cli/application.cpp
index ebf2d83..e707e23 100644
--- a/cli/application.cpp
+++ b/cli/application.cpp
@@ -766,6 +766,10 @@ QByteArray Application::editConfigViaEditor() const
         cerr << Phrases::Error << "New config object seems empty." << Phrases::EndFlush;
         return QByteArray();
     }
+    if (configObj == m_connection.rawConfig()) {
+        cerr << Phrases::Warning << "Editing aborted; config hasn't changed." << Phrases::EndFlush;
+        return QByteArray();
+    }
     for (const auto &arrayName : { QStringLiteral("devices"), QStringLiteral("folders") }) {
         if (!configObj.value(arrayName).isArray()) {
             cerr << Phrases::Error << "Array \"" << arrayName.toLocal8Bit().data() << "\" is not present." << Phrases::EndFlush;