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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: http://www.qt-project.org/
**
**
** GNU Lesser General Public License Usage
**
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**************************************************************************/
#include "checkoutjobs.h"
#include <vcsbaseplugin.h>
#include <vcsbaseoutputwindow.h>
#include <QDebug>
#include <QQueue>
#include <QDir>
#include <utils/synchronousprocess.h>
#include <utils/qtcassert.h>
enum { debug = 0 };
/*!
\class VcsBase::AbstractCheckoutJob
\brief Abstract base class for a job creating an initial project checkout.
It should be something that runs in the background producing log messages.
\sa VcsBase::BaseCheckoutWizard
*/
namespace VcsBase {
namespace Internal {
// Use a terminal-less process to suppress SSH prompts.
static inline QSharedPointer<QProcess> createProcess()
{
unsigned flags = 0;
if (VcsBasePlugin::isSshPromptConfigured())
flags = Utils::SynchronousProcess::UnixTerminalDisabled;
return Utils::SynchronousProcess::createProcess(flags);
}
class ProcessCheckoutJobStep
{
public:
ProcessCheckoutJobStep() {}
explicit ProcessCheckoutJobStep(const QString &bin,
const QStringList &args,
const QString &workingDir,
QProcessEnvironment env) :
binary(bin), arguments(args), workingDirectory(workingDir), environment(env) {}
QString binary;
QStringList arguments;
QString workingDirectory;
QProcessEnvironment environment;
};
class ProcessCheckoutJobPrivate
{
public:
ProcessCheckoutJobPrivate();
QSharedPointer<QProcess> process;
QQueue<ProcessCheckoutJobStep> stepQueue;
QString binary;
};
ProcessCheckoutJobPrivate::ProcessCheckoutJobPrivate() :
process(createProcess())
{
}
} // namespace Internal
AbstractCheckoutJob::AbstractCheckoutJob(QObject *parent) :
QObject(parent)
{
}
/*!
\class VcsBase::ProcessCheckoutJob
\brief Convenience implementation of a VcsBase::AbstractCheckoutJob using a QProcess.
*/
ProcessCheckoutJob::ProcessCheckoutJob(QObject *parent) :
AbstractCheckoutJob(parent),
d(new Internal::ProcessCheckoutJobPrivate)
{
connect(d->process.data(), SIGNAL(error(QProcess::ProcessError)), this, SLOT(slotError(QProcess::ProcessError)));
connect(d->process.data(), SIGNAL(finished(int,QProcess::ExitStatus)), this, SLOT(slotFinished(int,QProcess::ExitStatus)));
connect(d->process.data(), SIGNAL(readyReadStandardOutput()), this, SLOT(slotOutput()));
d->process->setProcessChannelMode(QProcess::MergedChannels);
d->process->closeWriteChannel();
}
ProcessCheckoutJob::~ProcessCheckoutJob()
{
delete d;
}
void ProcessCheckoutJob::addStep(const QString &binary,
const QStringList &args,
const QString &workingDirectory,
const QProcessEnvironment &env)
{
if (debug)
qDebug() << "ProcessCheckoutJob::addStep" << binary << args << workingDirectory;
d->stepQueue.enqueue(Internal::ProcessCheckoutJobStep(binary, args, workingDirectory, env));
}
void ProcessCheckoutJob::slotOutput()
{
const QByteArray data = d->process->readAllStandardOutput();
const QString s = QString::fromLocal8Bit(data, data.endsWith('\n') ? data.size() - 1: data.size());
if (debug)
qDebug() << s;
emit output(s);
}
void ProcessCheckoutJob::slotError(QProcess::ProcessError error)
{
switch (error) {
case QProcess::FailedToStart:
emit failed(tr("Unable to start %1: %2").
arg(QDir::toNativeSeparators(d->binary), d->process->errorString()));
break;
default:
emit failed(d->process->errorString());
break;
}
}
void ProcessCheckoutJob::slotFinished (int exitCode, QProcess::ExitStatus exitStatus)
{
if (debug)
qDebug() << "finished" << exitCode << exitStatus;
switch (exitStatus) {
case QProcess::NormalExit:
emit output(tr("The process terminated with exit code %1.").arg(exitCode));
if (exitCode == 0) {
slotNext();
} else {
emit failed(tr("The process returned exit code %1.").arg(exitCode));
}
break;
case QProcess::CrashExit:
emit failed(tr("The process terminated in an abnormal way."));
break;
}
}
void ProcessCheckoutJob::start()
{
QTC_ASSERT(!d->stepQueue.empty(), return);
slotNext();
}
void ProcessCheckoutJob::slotNext()
{
if (d->stepQueue.isEmpty()) {
emit succeeded();
return;
}
// Launch next
const Internal::ProcessCheckoutJobStep step = d->stepQueue.dequeue();
d->process->setWorkingDirectory(step.workingDirectory);
// Set up SSH correctly.
QProcessEnvironment processEnv = step.environment;
VcsBasePlugin::setProcessEnvironment(&processEnv, false);
d->process->setProcessEnvironment(processEnv);
d->binary = step.binary;
emit output(VcsBaseOutputWindow::msgExecutionLogEntry(step.workingDirectory, d->binary, step.arguments));
d->process->start(d->binary, step.arguments);
}
void ProcessCheckoutJob::cancel()
{
if (debug)
qDebug() << "ProcessCheckoutJob::start";
emit output(tr("Stopping..."));
Utils::SynchronousProcess::stopProcess(*d->process);
}
} // namespace VcsBase
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