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Program updater: More reliable version detection / comparison

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This commit is contained in:
Christophe Dumez 2011-12-29 01:26:00 +02:00
parent 78bb4104b0
commit c0eb048fe2
2 changed files with 33 additions and 31 deletions
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60
src/programupdater.cpp
View File

@ -196,40 +196,42 @@ void ProgramUpdater::updateProgram()
// title on Windows: /qbittorrent-win32/qbittorrent-2.4.7/qbittorrent_2.4.7_setup.exe
// title on Mac: /qbittorrent-mac/qbittorrent-2.4.4/qbittorrent-2.4.4.dmg
QString ProgramUpdater::extractVersionNumber(QString title) const
QString ProgramUpdater::extractVersionNumber(const QString& title) const
{
QString version;
QStringList parts = title.split("/");
if(parts.size() != 4) {
qDebug("ProgramUpdater: Unrecognized title: %s", qPrintable(title));
return version;
}
QString folder = parts.at(2);
if(!folder.contains("-")) {
qDebug("ProgramUpdater: Unrecognized folder name: %s", qPrintable(folder));
return version;
}
version = folder.mid(folder.lastIndexOf("-")+1);
if(version.split(".").size() != 3) {
qDebug("ProgramUpdater: Unrecognized version format: %s", qPrintable(version));
qDebug() << Q_FUNC_INFO << title;
QRegExp regVer("qbittorrent[_-]([0-9.]+)(_setup)?(\\.exe|\\.dmg)");
if (regVer.indexIn(title) < 0) {
qWarning() << Q_FUNC_INFO << "Failed to extract version from file name:" << title;
return QString::null;
} else {
QString version = regVer.cap(1);
qDebug() << Q_FUNC_INFO << "Extracted version:" << version;
return version;
}
return version;
}
bool ProgramUpdater::isVersionMoreRecent(QString new_version) const
bool ProgramUpdater::isVersionMoreRecent(const QString& remote_version) const
{
const QStringList parts = new_version.split(".");
Q_ASSERT(parts.size() == 3);
const int major = parts.at(0).toInt();
const int minor = parts.at(1).toInt();
const int bugfix = parts.at(2).toInt();
if(major < VERSION_MAJOR)
return false;
if(minor < VERSION_MINOR)
return false;
if(bugfix <= VERSION_BUGFIX)
return false;
return true;
QRegExp regVer("([0-9.]+)");
if (regVer.indexIn(QString(VERSION)) >= 0) {
QString local_version = regVer.cap(1);
qDebug() << Q_FUNC_INFO << "local version:" << local_version << "/" << VERSION;
QStringList remote_parts = remote_version.split('.');
QStringList local_parts = local_version.split('.');
for (int i=0; i<qMin(remote_parts.size(), local_parts.size()); ++i) {
if (remote_parts[i].toInt() > local_parts[i].toInt())
return true;
if (remote_parts[i].toInt() < local_parts[i].toInt())
return false;
}
// Compared parts were equal, if remote version is longer, then it's more recent (2.9.2.1 > 2.9.2)
if (remote_parts.size() > local_parts.size())
return true;
// versions are equal, check if the local version is a development release, in which case it is older (2.9.2beta < 2.9.2)
QRegExp regDevel("(alpha|beta|rc)");
if (regDevel.indexIn(VERSION) >= 0)
return true;
}
return false;
}

4
src/programupdater.h
View File

@ -47,8 +47,8 @@ public:
void updateProgram();
protected:
QString extractVersionNumber(QString title) const;
bool isVersionMoreRecent(QString new_version) const;
QString extractVersionNumber(const QString& title) const;
bool isVersionMoreRecent(const QString& new_version) const;
protected slots:
void rssDownloadFinished(QNetworkReply* reply);