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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "patchtool.h"
#include "messagemanager.h"
#include "icore.h"
#include <utils/synchronousprocess.h>
#include <QProcess>
#include <QDir>
#include <QApplication>
static const char settingsGroupC[] = "General";
static const char legacySettingsGroupC[] = "VCS";
static const char patchCommandKeyC[] = "PatchCommand";
static const char patchCommandDefaultC[] = "patch";
namespace Core {
static QString readLegacyCommand()
{
QSettings *s = Core::ICore::settings();
s->beginGroup(QLatin1String(legacySettingsGroupC));
const bool legacyExists = s->contains(QLatin1String(patchCommandKeyC));
const QString legacyCommand = s->value(QLatin1String(patchCommandKeyC), QLatin1String(patchCommandDefaultC)).toString();
if (legacyExists)
s->remove(QLatin1String(patchCommandKeyC));
s->endGroup();
if (legacyExists && legacyCommand != QLatin1String(patchCommandDefaultC))
PatchTool::setPatchCommand(legacyCommand);
return legacyCommand;
}
QString PatchTool::patchCommand()
{
QSettings *s = Core::ICore::settings();
const QString defaultCommand = readLegacyCommand(); // replace it with QLatin1String(patchCommandDefaultC) when dropping legacy stuff
s->beginGroup(QLatin1String(settingsGroupC));
const QString command = s->value(QLatin1String(patchCommandKeyC), defaultCommand).toString();
s->endGroup();
return command;
}
void PatchTool::setPatchCommand(const QString &newCommand)
{
QSettings *s = Core::ICore::settings();
s->beginGroup(QLatin1String(settingsGroupC));
s->setValue(QLatin1String(patchCommandKeyC), newCommand);
s->endGroup();
}
bool PatchTool::runPatch(const QByteArray &input, const QString &workingDirectory,
int strip, bool reverse)
{
const QString patch = patchCommand();
if (patch.isEmpty()) {
MessageManager::write(QApplication::translate("Core::PatchTool", "There is no patch-command configured in the general \"Environment\" settings."));
return false;
}
QProcess patchProcess;
if (!workingDirectory.isEmpty())
patchProcess.setWorkingDirectory(workingDirectory);
QStringList args;
if (strip >= 0)
args << (QLatin1String("-p") + QString::number(strip));
if (reverse)
args << QLatin1String("-R");
MessageManager::write(QApplication::translate("Core::PatchTool", "Executing in %1: %2 %3").
arg(QDir::toNativeSeparators(workingDirectory),
QDir::toNativeSeparators(patch), args.join(QLatin1String(" "))));
patchProcess.start(patch, args);
if (!patchProcess.waitForStarted()) {
MessageManager::write(QApplication::translate("Core::PatchTool", "Unable to launch \"%1\": %2").arg(patch, patchProcess.errorString()));
return false;
}
patchProcess.write(input);
patchProcess.closeWriteChannel();
QByteArray stdOut;
QByteArray stdErr;
if (!Utils::SynchronousProcess::readDataFromProcess(patchProcess, 30000, &stdOut, &stdErr, true)) {
Utils::SynchronousProcess::stopProcess(patchProcess);
MessageManager::write(QApplication::translate("Core::PatchTool", "A timeout occurred running \"%1\"").arg(patch));
return false;
}
if (!stdOut.isEmpty())
MessageManager::write(QString::fromLocal8Bit(stdOut));
if (!stdErr.isEmpty())
MessageManager::write(QString::fromLocal8Bit(stdErr));
if (patchProcess.exitStatus() != QProcess::NormalExit) {
MessageManager::write(QApplication::translate("Core::PatchTool", "\"%1\" crashed.").arg(patch));
return false;
}
if (patchProcess.exitCode() != 0) {
MessageManager::write(QApplication::translate("Core::PatchTool", "\"%1\" failed (exit code %2).").arg(patch).arg(patchProcess.exitCode()));
return false;
}
return true;
}
} // namespace Core
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