main: set TERM="goaway"

[selsta]

Fixes #2388

[xiphon]

Consider to replace with

diff --git a/src/daemon/DaemonManager.cpp b/src/daemon/DaemonManager.cpp
index 0d31153..3f0dd60 100644
--- a/src/daemon/DaemonManager.cpp
+++ b/src/daemon/DaemonManager.cpp
@@ -36,6 +36,7 @@
 #include <QtConcurrent/QtConcurrent>
 #include <QApplication>
 #include <QProcess>
+#include <QProcessEnvironment>
 #include <QTime>
 #include <QStorageInfo>
 #include <QVariantMap>
@@ -118,6 +119,13 @@ bool DaemonManager::start(const QString &flags, NetworkType::Type nettype, const
     m_daemon = new QProcess();
     initialized = true;

+    {
+        // Turn off colors in monerod log output
+        QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
+        env.insert("TERM", "goaway");
+        m_daemon->setProcessEnvironment(env);
+    }
+
     // Connect output slots
     connect (m_daemon, SIGNAL(readyReadStandardOutput()), this, SLOT(printOutput()));
     connect (m_daemon, SIGNAL(readyReadStandardError()), this, SLOT(printError()));

[xiphon]

Due to Qt bug the proposed solution won't work. The bug is fixed in Qt 5.10+.

Let's implement original @selsta's fix for now.