tdesktop/Telegram/SourceFiles/platform/linux/launcher_linux.cpp

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/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "platform/linux/launcher_linux.h"
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#include "base/platform/base_platform_info.h"
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#include "platform/linux/specific_linux.h"
#include "core/crash_reports.h"
#include "core/update_checker.h"
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#include <QtWidgets/QApplication>
#include <sys/stat.h>
#include <sys/types.h>
#include <cstdlib>
#include <unistd.h>
#include <dirent.h>
#include <pwd.h>
namespace Platform {
namespace {
class Arguments {
public:
void push(QByteArray argument) {
argument.append(char(0));
_argumentValues.push_back(argument);
_arguments.push_back(_argumentValues.back().data());
}
char **result() {
_arguments.push_back(nullptr);
return _arguments.data();
}
private:
std::vector<QByteArray> _argumentValues;
std::vector<char*> _arguments;
};
} // namespace
Launcher::Launcher(int argc, char *argv[])
: Core::Launcher(argc, argv, DeviceModelPretty(), SystemVersionPretty()) {
}
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void Launcher::initHook() {
QApplication::setDesktopFileName(GetLauncherFilename());
}
bool Launcher::launchUpdater(UpdaterLaunch action) {
if (cExeName().isEmpty()) {
return false;
}
const auto binaryName = (action == UpdaterLaunch::JustRelaunch)
? cExeName()
: QStringLiteral("Updater");
auto argumentsList = Arguments();
argumentsList.push(QFile::encodeName(cExeDir() + binaryName));
if (cLaunchMode() == LaunchModeAutoStart) {
argumentsList.push("-autostart");
}
if (Logs::DebugEnabled()) {
argumentsList.push("-debug");
}
if (cStartInTray()) {
argumentsList.push("-startintray");
}
#ifndef TDESKTOP_DISABLE_AUTOUPDATE
if (Core::UpdaterDisabled()) {
argumentsList.push("-externalupdater");
}
#endif // !TDESKTOP_DISABLE_AUTOUPDATE
if (cDataFile() != qsl("data")) {
argumentsList.push("-key");
argumentsList.push(QFile::encodeName(cDataFile()));
}
if (action == UpdaterLaunch::JustRelaunch) {
argumentsList.push("-noupdate");
argumentsList.push("-tosettings");
if (customWorkingDir()) {
argumentsList.push("-workdir");
argumentsList.push(QFile::encodeName(cWorkingDir()));
}
} else {
argumentsList.push("-workpath");
argumentsList.push(QFile::encodeName(cWorkingDir()));
argumentsList.push("-exename");
argumentsList.push(QFile::encodeName(cExeName()));
argumentsList.push("-exepath");
argumentsList.push(QFile::encodeName(cExeDir()));
if (customWorkingDir()) {
argumentsList.push("-workdir_custom");
}
}
Logs::closeMain();
CrashReports::Finish();
const auto args = argumentsList.result();
pid_t pid = fork();
switch (pid) {
case -1: return false;
case 0: execv(args[0], args); return false;
}
return true;
}
} // namespace