qt-creator/src/plugins/qt4projectmanager/qt-maemo/maemopackagecreationstep.cpp

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#include "maemopackagecreationstep.h"

#include "maemoconstants.h"
#include "maemopackagecreationwidget.h"
#include "maemotoolchain.h"

#include <projectexplorer/projectexplorerconstants.h>
#include <qt4buildconfiguration.h>
#include <qt4project.h>
#include <qt4target.h>

#include <QtCore/QDir>
#include <QtCore/QFile>
#include <QtCore/QFileInfo>
#include <QtCore/QProcess>
#include <QtCore/QProcessEnvironment>
#include <QtCore/QStringBuilder>
#include <QtGui/QWidget>

using namespace ProjectExplorer::Constants;
using ProjectExplorer::BuildConfiguration;
using ProjectExplorer::BuildStepConfigWidget;
using ProjectExplorer::Task;

namespace Qt4ProjectManager {
namespace Internal {

MaemoPackageCreationStep::MaemoPackageCreationStep(BuildConfiguration *buildConfig)
    : ProjectExplorer::BuildStep(buildConfig, CreatePackageId)
{
}

MaemoPackageCreationStep::MaemoPackageCreationStep(BuildConfiguration *buildConfig,
    MaemoPackageCreationStep *other)
    : BuildStep(buildConfig, other)
{

}

bool MaemoPackageCreationStep::init()
{
    return true;
}

void MaemoPackageCreationStep::run(QFutureInterface<bool> &fi)
{
    fi.reportResult(createPackage());
}

BuildStepConfigWidget *MaemoPackageCreationStep::createConfigWidget()
{
    return new MaemoPackageCreationWidget(this);
}

bool MaemoPackageCreationStep::createPackage()
{
    if (!packagingNeeded())
        return true;

    emit addOutput(tr("Creating package file ..."));
    QFile configFile(targetRoot() % QLatin1String("/config.sh"));
    if (!configFile.open(QIODevice::ReadOnly)) {
        raiseError(tr("Cannot open MADDE config file '%1'.")
                   .arg(nativePath(configFile)));
        return false;
    }

    QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
    const QString &path = QDir::toNativeSeparators(maddeRoot() + QLatin1Char('/'));

    const QLatin1String key("PATH");
    QString colon = QLatin1String(":");
#ifdef Q_OS_WIN
    colon = QLatin1String(";");
    env.insert(key, targetRoot() % "/bin" % colon % env.value(key));
    env.insert(key, path % QLatin1String("bin") % colon % env.value(key));
#endif
    env.insert(key, path % QLatin1String("madbin") % colon % env.value(key));
    env.insert(QLatin1String("PERL5LIB"), path % QLatin1String("madlib/perl5"));

    const QString projectDir = QFileInfo(executable()).absolutePath();
    env.insert(QLatin1String("PWD"), projectDir);

    const QRegExp envPattern(QLatin1String("([^=]+)=[\"']?([^;\"']+)[\"']? ;.*"));
    QByteArray line;
    do {
        line = configFile.readLine(200);
        if (envPattern.exactMatch(line))
            env.insert(envPattern.cap(1), envPattern.cap(2));
    } while (!line.isEmpty());
    
    QProcess buildProc;
    buildProc.setProcessEnvironment(env);
    buildProc.setWorkingDirectory(projectDir);

    if (!QFileInfo(projectDir + QLatin1String("/debian")).exists()) {
        const QString command = QLatin1String("dh_make -s -n -p ")
            % executableFileName().toLower() % versionString();
        if (!runCommand(buildProc, command))
            return false;
        QFile rulesFile(projectDir + QLatin1String("/debian/rules"));
        if (!rulesFile.open(QIODevice::ReadWrite)) {
            raiseError(tr("Packaging Error: Cannot open file '%1'.")
                       .arg(nativePath(rulesFile)));
            return false;
        }

        QByteArray rulesContents = rulesFile.readAll();
        rulesContents.replace("DESTDIR", "INSTALL_ROOT");
        rulesFile.resize(0);
        rulesFile.write(rulesContents);
        if (rulesFile.error() != QFile::NoError) {
            raiseError(tr("Packaging Error: Cannot write file '%1'.")
                       .arg(nativePath(rulesFile)));
            return false;
        }
    }

    if (!runCommand(buildProc, QLatin1String("dh_installdirs")))
        return false;
    
    const QString targetFile(projectDir % QLatin1String("/debian/")
        % executableFileName().toLower() % executableFilePathOnTarget());
    if (QFile::exists(targetFile)) {
        if (!QFile::remove(targetFile)) {
            raiseError(tr("Packaging Error: Could not replace file '%1'.")
                       .arg(QDir::toNativeSeparators(targetFile)));
            return false;
        }
    }
    if (!QFile::copy(executable(), targetFile)) {
        raiseError(tr("Packaging Error: Could not copy '%1' to '%2'.")
                   .arg(QDir::toNativeSeparators(executable()))
                   .arg(QDir::toNativeSeparators(targetFile)));
        return false;
    }

    const QStringList commands = QStringList() << QLatin1String("dh_link")
        << QLatin1String("dh_fixperms") << QLatin1String("dh_installdeb")
        << QLatin1String("dh_shlibdeps") << QLatin1String("dh_gencontrol")
        << QLatin1String("dh_md5sums") << QLatin1String("dh_builddeb --destdir=.");
    foreach (const QString &command, commands) {
        if (!runCommand(buildProc, command))
            return false;
    }

    emit addOutput(tr("Package created."));
    return true;
}

bool MaemoPackageCreationStep::runCommand(QProcess &proc, const QString &command)
{
    emit addOutput(tr("Package Creation: Running command '%1'.").arg(command));
    QString perl;
#ifdef Q_OS_WIN
    perl = maddeRoot() + QLatin1String("/bin/perl.exe ");
#endif
    proc.start(perl + maddeRoot() % QLatin1String("/madbin/") % command);
    proc.write("\n"); // For dh_make
    if (!proc.waitForFinished(100000) && proc.error() == QProcess::Timedout) {
        raiseError(tr("Packaging failed."),
                   tr("Packaging Error: Command '%1' timed out.").arg(command));
        return false;
    }
    if (proc.exitCode() != 0) {
        const QString mainMessage = tr("Packaging Error: Command '%1' failed.")
                                    .arg(command);
        raiseError(mainMessage, mainMessage + QLatin1Char(' ')
                   + tr("Output was: ") + proc.readAllStandardError()
                   + QLatin1Char('\n') + proc.readAllStandardOutput());
        return false;
    }
    return true;
}

const Qt4BuildConfiguration *MaemoPackageCreationStep::qt4BuildConfiguration() const
{
    return static_cast<Qt4BuildConfiguration *>(buildConfiguration());
}

QString MaemoPackageCreationStep::executable() const
{
    const TargetInformation &ti = qt4BuildConfiguration()->qt4Target()
        ->qt4Project()->rootProjectNode()->targetInformation();
    if (!ti.valid)
        return QString();

    return QDir::toNativeSeparators(QDir::cleanPath(ti.workingDir
        + QLatin1Char('/') + ti.target));
}

QString MaemoPackageCreationStep::executableFileName() const
{
    return QFileInfo(executable()).fileName();
}

const MaemoToolChain *MaemoPackageCreationStep::maemoToolChain() const
{
    return static_cast<MaemoToolChain *>(qt4BuildConfiguration()->toolChain());
}

QString MaemoPackageCreationStep::maddeRoot() const
{
    return maemoToolChain()->maddeRoot();
}

QString MaemoPackageCreationStep::targetRoot() const
{
    return maemoToolChain()->targetRoot();
}

bool MaemoPackageCreationStep::packagingNeeded() const
{
    // TODO: When the package contents get user-modifiable, we need
    // to check whether files have been added and/or removed and whether
    // the newest one is newer than the package.
    // For the first check, we should have a switch that the widget sets
    // to true when the user has changed the package contents and which
    // we set to false after a successful package creation.
    QFileInfo packageInfo(packageFilePath());
    return !packageInfo.exists()
        || packageInfo.lastModified() <= QFileInfo(executable()).lastModified();
}

QString MaemoPackageCreationStep::packageFilePath() const
{
    QFileInfo execInfo(executable());
    return execInfo.path() % QDir::separator() % execInfo.fileName().toLower()
        % versionString() % QLatin1String("_armel.deb");
}

QString MaemoPackageCreationStep::executableFilePathOnTarget() const
{
    return QLatin1String("/usr/bin/") % executableFileName();
}

QString MaemoPackageCreationStep::versionString() const
{
    return QLatin1String("_0.1");
}

QString MaemoPackageCreationStep::nativePath(const QFile &file) const
{
    return QDir::toNativeSeparators(QFileInfo(file).filePath());
}

void MaemoPackageCreationStep::raiseError(const QString &shortMsg,
                                          const QString &detailedMsg)
{
    emit addOutput(detailedMsg.isNull() ? shortMsg : detailedMsg);
    emit addTask(Task(Task::Error, shortMsg, QString(), -1,
                      TASK_CATEGORY_BUILDSYSTEM));
}

const QLatin1String MaemoPackageCreationStep::CreatePackageId("Qt4ProjectManager.MaemoPackageCreationStep");

} // namespace Internal
} // namespace Qt4ProjectManager