Do not print progress indicator when forwarding output to a file

Task-number: QTIFW-1770
Change-Id: I2f3a8b440b89328fa3d183b1102d6a6db213fd3b
Reviewed-by: Katja Marttila <katja.marttila@qt.io>

5 files changed, 29 insertions, 3 deletions

diff --git a/src/libs/installer/globals.cpp b/src/libs/installer/globals.cpp
index a6453c1d9..a3134dfae 100644
--- a/src/libs/installer/globals.cpp
+++ b/src/libs/installer/globals.cpp
@@ -63,6 +63,9 @@ const char IFW_PACKAGE_COMPRESSEDSIZE[] = "ifw.package.compressedsize";
 const char IFW_PACKAGE_UNCOMPRESSEDSIZE[] = "ifw.package.uncompressedsize";
 const char IFW_INSTALLER_INSTALLLOG[] = "ifw.installer.installlog";
 
+// Internal-only, hidden in --help text
+const char IFW_PROGRESS_INDICATOR[] = "ifw.progress.indicator";
+
 namespace QInstaller
 {
 
@@ -98,6 +101,7 @@ Q_LOGGING_CATEGORY(lcPackageLicenses, IFW_PACKAGE_LICENSES)
 Q_LOGGING_CATEGORY(lcPackageUncompressedSize, IFW_PACKAGE_UNCOMPRESSEDSIZE)
 Q_LOGGING_CATEGORY(lcPackageCompressedSize, IFW_PACKAGE_COMPRESSEDSIZE)
 Q_LOGGING_CATEGORY(lcInstallerInstallLog, IFW_INSTALLER_INSTALLLOG)
+Q_LOGGING_CATEGORY(lcProgressIndicator, IFW_PROGRESS_INDICATOR)
 
 
 QStringList loggingCategories()
diff --git a/src/libs/installer/globals.h b/src/libs/installer/globals.h
index 37e2fe20b..cdfad1a53 100644
--- a/src/libs/installer/globals.h
+++ b/src/libs/installer/globals.h
@@ -67,6 +67,7 @@ INSTALLER_EXPORT Q_DECLARE_LOGGING_CATEGORY(lcPackageUncompressedSize)
 INSTALLER_EXPORT Q_DECLARE_LOGGING_CATEGORY(lcPackageCompressedSize)
 INSTALLER_EXPORT Q_DECLARE_LOGGING_CATEGORY(lcInstallerInstallLog)
 INSTALLER_EXPORT Q_DECLARE_LOGGING_CATEGORY(lcInstallerUninstallLog)
+INSTALLER_EXPORT Q_DECLARE_LOGGING_CATEGORY(lcProgressIndicator)
 
 QStringList INSTALLER_EXPORT loggingCategories();
 
diff --git a/src/libs/installer/init.cpp b/src/libs/installer/init.cpp
index 8a13119b0..3c295d353 100644
--- a/src/libs/installer/init.cpp
+++ b/src/libs/installer/init.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.
@@ -47,6 +47,7 @@
 #include "licenseoperation.h"
 #include "settingsoperation.h"
 #include "consumeoutputoperation.h"
+#include "globals.h"
 
 #include "lib7z_facade.h"
 #include "utils.h"
@@ -59,6 +60,12 @@
 
 #include <iostream>
 
+#if defined(Q_OS_UNIX)
+#include <unistd.h>
+#elif defined(Q_OS_WIN)
+#include <fileapi.h>
+#endif
+
 using namespace KDUpdater;
 using namespace QInstaller;
 
@@ -69,6 +76,8 @@ static void initResources()
 }
 #endif
 
+static bool s_outputRedirected = false;
+
 static QString trimAndPrepend(QtMsgType type, const QString &msg)
 {
     QString ba(msg);
@@ -112,6 +121,12 @@ void messageHandler(QtMsgType type, const QMessageLogContext &context, const QSt
     if (msg.contains(QLatin1String("This plugin does not support propagateSizeHints")))
         return;
 
+    if (context.category == lcProgressIndicator().categoryName()) {
+        if (!s_outputRedirected)
+            std::cout << msg.toStdString() << "\r" << std::flush;
+        return;
+    }
+
     static Uptime uptime;
 
     QString ba = QLatin1Char('[') + QString::number(uptime.elapsed()) + QStringLiteral("] ")
@@ -168,5 +183,10 @@ void QInstaller::init()
 
     FileDownloaderFactory::setFollowRedirects(true);
 
-   qInstallMessageHandler(messageHandler);
+#if defined(Q_OS_UNIX)
+    s_outputRedirected = !isatty(fileno(stdout));
+#elif defined(Q_OS_WIN)
+    s_outputRedirected = (GetFileType(GetStdHandle(STD_OUTPUT_HANDLE)) == FILE_TYPE_DISK);
+#endif
+    qInstallMessageHandler(messageHandler);
 }
diff --git a/src/libs/installer/progresscoordinator.cpp b/src/libs/installer/progresscoordinator.cpp
index a61c13a0e..a00a5bf23 100644
--- a/src/libs/installer/progresscoordinator.cpp
+++ b/src/libs/installer/progresscoordinator.cpp
@@ -320,7 +320,7 @@ void ProgressCoordinator::printProgressPercentage(int progress)
     QString formatted = QString::fromLatin1("[%1 %2%] ").arg(
         m_progressSpinner->spinnerChars.at(m_progressSpinner->currentIndex), QString::number(progress));
 
-    std::cout << formatted.toStdString() << "\r" << std::flush;
+    qCDebug(QInstaller::lcProgressIndicator).noquote() << formatted;
 
     m_progressSpinner->currentIndex == (m_progressSpinner->spinnerChars.size() - 1)
         ? m_progressSpinner->currentIndex = 0
diff --git a/src/sdk/sdkapp.h b/src/sdk/sdkapp.h
index af7468731..2ed99046c 100644
--- a/src/sdk/sdkapp.h
+++ b/src/sdk/sdkapp.h
@@ -153,6 +153,7 @@ public:
             loggingRules = QLatin1String("ifw.* = false\n"
                                         "ifw.installer.* = true\n"
                                         "ifw.server = true\n"
+                                        "ifw.progress.indicator = true\n"
                                         "ifw.package.name = true\n"
                                         "ifw.package.version = true\n"
                                         "ifw.package.displayname = true\n");