gitclient.cpp

}

void GitClient::setSettings(const GitSettings &s)
{
    if (s != m_settings) {
        m_settings = s;
        if (QSettings *coreSettings = m_core->settings())
            m_settings.toSettings(coreSettings);
        m_binaryPath = m_settings.gitBinaryPath();
        m_cachedGitVersion = 0u;
        m_hasCachedGitVersion = false;
    }
}

void GitClient::connectRepositoryChanged(const QString & repository, GitCommand *cmd)
{
    // Bind command success termination with repository to changed signal
    if (!m_repositoryChangedSignalMapper) {
        m_repositoryChangedSignalMapper = new QSignalMapper(this);
        connect(m_repositoryChangedSignalMapper, SIGNAL(mapped(QString)),
                m_plugin->gitVersionControl(), SIGNAL(repositoryChanged(QString)));
    }
    m_repositoryChangedSignalMapper->setMapping(cmd, repository);
    connect(cmd, SIGNAL(success()), m_repositoryChangedSignalMapper, SLOT(map()),
            Qt::QueuedConnection);
}

// determine version as '(major << 16) + (minor << 8) + patch' or 0.
unsigned GitClient::gitVersion(bool silent, QString *errorMessage  /* = 0 */)
{
    if (!m_hasCachedGitVersion) {
        // Do not execute repeatedly if that fails (due to git
        // not being installed) until settings are changed.
        m_cachedGitVersion = synchronousGitVersion(silent, errorMessage);
        m_hasCachedGitVersion = true;
    }
    return m_cachedGitVersion;
}

QString GitClient::gitVersionString(bool silent, QString *errorMessage)
{
    if (const unsigned version = gitVersion(silent, errorMessage)) {
        QString rc;
        QTextStream(&rc) << (version >> 16) << '.'
                << (0xFF & (version >> 8)) << '.'
                << (version & 0xFF);
        return rc;
    }
    return QString();
}

// determine version as '(major << 16) + (minor << 8) + patch' or 0.
unsigned GitClient::synchronousGitVersion(bool silent, QString *errorMessage /* = 0 */)
{
    // run git --version
    QByteArray outputText;
    QByteArray errorText;
    const bool rc = fullySynchronousGit(QString(), QStringList("--version"), &outputText, &errorText);
    if (!rc) {
        const QString msg = tr("Unable to determine git version: %1").arg(commandOutputFromLocal8Bit(errorText));
        if (errorMessage) {
            *errorMessage = msg;
        } else {
            if (silent) {
                outputWindow()->append(msg);
            } else {
                outputWindow()->appendError(msg);
            }
        }
        return 0;
    }
    // cut 'git version 1.6.5.1.sha'
    const QString output = commandOutputFromLocal8Bit(outputText);
    const QRegExp versionPattern(QLatin1String("^[^\\d]+([\\d])\\.([\\d])\\.([\\d]).*$"));
    QTC_ASSERT(versionPattern.isValid(), return 0);
    QTC_ASSERT(versionPattern.exactMatch(output), return 0);
    const unsigned major = versionPattern.cap(1).toUInt();
    const unsigned minor = versionPattern.cap(2).toUInt();
    const unsigned patch = versionPattern.cap(3).toUInt();
    return version(major, minor, patch);
}

} // namespace Internal
} // namespace Git