Method CommitUpdate

updater/Updater.cpp:357–398

}

bool Updater::CommitUpdate()
{
	m_progress->SetStatusText("Committing update...");

	// create directories in target
	for (const std::string& subdir : m_update_directories)
	{
		const std::string dest_subdir = StringUtil::StdStringFromFormat("%s" FS_OSPATH_SEPARATOR_STR "%s",
			m_destination_directory.c_str(), subdir.c_str());

		if (!FileSystem::DirectoryExists(dest_subdir.c_str()) && !FileSystem::CreateDirectoryPath(dest_subdir.c_str(), false))
		{
			m_progress->DisplayFormattedModalError("Failed to create target directory '%s'", dest_subdir.c_str());
			return false;
		}
	}

	// move files to target
	for (const FileToUpdate& ftu : m_update_paths)
	{
		const std::string staging_file_name = StringUtil::StdStringFromFormat(
			"%s" FS_OSPATH_SEPARATOR_STR "%s", m_staging_directory.c_str(), ftu.destination_filename.c_str());
		const std::string dest_file_name = StringUtil::StdStringFromFormat(
			"%s" FS_OSPATH_SEPARATOR_STR "%s", m_destination_directory.c_str(), ftu.destination_filename.c_str());
		m_progress->DisplayFormattedInformation("Moving '%s' to '%s'", staging_file_name.c_str(), dest_file_name.c_str());
#ifdef _WIN32
		const bool result =
			MoveFileExW(FileSystem::GetWin32Path(staging_file_name).c_str(),
				FileSystem::GetWin32Path(dest_file_name).c_str(), MOVEFILE_REPLACE_EXISTING);
#else
		const bool result = (rename(staging_file_name.c_str(), dest_file_name.c_str()) == 0);
#endif
		if (!result)
		{
			m_progress->DisplayFormattedModalError("Failed to rename '%s' to '%s'", staging_file_name.c_str(),
				dest_file_name.c_str());
			return false;
		}
	}

	return true;
}

void Updater::CleanupStagingDirectory()
{