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/*
* SPDX-FileCopyrightText: 2017 Aleix Pol Gonzalez <aleixpol@kde.org>
*
* SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
*/
#include "AppStreamIntegration.h"
#include <AppStreamQt/systeminfo.h>
#include <AppStreamQt/utils.h>
#include <AppStreamQt/version.h>
#include <KConfigGroup>
#include <KSharedConfig>
#include <QDebug>
using namespace Qt::StringLiterals;
AppStreamIntegration *AppStreamIntegration::global()
{
static AppStreamIntegration *var = nullptr;
if (!var) {
var = new AppStreamIntegration;
}
return var;
}
std::optional<AppStream::Release> AppStreamIntegration::getDistroUpgrade(AppStream::Pool *pool, std::optional<QString> IdOverride)
{
QString distroId;
if (IdOverride) {
distroId = *IdOverride;
} else {
distroId = AppStream::SystemInfo::currentDistroComponentId();
}
// Look at releases to see if we have a new major version available.
const auto distroComponents = pool->componentsById(distroId);
if (distroComponents.isEmpty()) {
qWarning() << "AppStreamIntegration: No distro component found for" << distroId;
return std::nullopt;
}
// Settings to control if pre-release and development releases are offered
// for updates. Those options are not exposed to users via a graphical
// interface and must be manually set in the configuration file.
//
// For example for Fedora:
// - the development release is always Rawhide
// - the pre-release is a version that has been branched from Rawhide but is
// not stable yet. For example Fedora 40 Beta
//
// In Appstream metadata terms:
// - Development releases are specified as KindSnapshot
// - Pre-releases are specified as KindDevelopment
KConfigGroup settings(KSharedConfig::openConfig(QStringLiteral("discoverrc")), QStringLiteral("DistroUpgrade"));
bool allowPreRelease = settings.readEntry<bool>("AllowPreRelease", false);
bool allowDevelopmentRelease = settings.readEntry<bool>("AllowDevelopmentRelease", false);
QString currentVersion = osRelease()->versionId();
// skip if current version is unknown
if (currentVersion.isEmpty()) {
qWarning() << "AppStreamIntegration: Cannot detect current distro version for" << distroId;
return std::nullopt;
}
std::optional<AppStream::Release> nextRelease;
std::optional<AppStream::Release> developmentRelease;
const QDateTime now = QDateTime::currentDateTimeUtc();
for (const AppStream::Component &dc : distroComponents) {
const auto releases = dc.releasesPlain().entries();
for (const auto &r : releases) {
// Keep the development release for later only if requested
if (r.kind() == AppStream::Release::KindSnapshot) {
if (allowDevelopmentRelease) {
developmentRelease = r;
}
continue;
}
// Skip releases that are not stable
if (r.kind() != AppStream::Release::KindStable) {
// Skip pre-releases if not requested
if (!(r.kind() == AppStream::Release::KindDevelopment && allowPreRelease)) {
continue;
}
}
// Skip stable and development releases with a start date in the future if we did not enable pre-releases
if (r.timestamp() > now && !allowPreRelease) {
continue;
}
// Look at the potentially new version
const QString newVersion = r.version();
if (AppStream::Utils::vercmpSimple(newVersion, currentVersion) > 0) {
if (!nextRelease) {
// No other newer version found yet so let's pick this one
nextRelease = r;
qInfo() << "Found new major release:" << newVersion;
} else if (AppStream::Utils::vercmpSimple(nextRelease->version(), newVersion) > 0) {
// We only offer updating to the very next major release so
// we pick the smallest of all the newest versions
nextRelease = r;
qInfo() << "Found a closer new major release:" << newVersion;
}
}
}
}
// If:
// - we did not find a major upcoming release
// - we are allowed to look at development releases
// - we found a development release
// then offer it.
if (!nextRelease && allowDevelopmentRelease && developmentRelease) {
nextRelease = developmentRelease;
}
return nextRelease;
}
#include "moc_AppStreamIntegration.cpp"
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