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// Copyright Epic Games, Inc. All Rights Reserved.
#include "copy.h"
#include <zencore/filesystem.h>
#include <zencore/logging.h>
#include <zencore/string.h>
#include <zencore/timer.h>
namespace zen {
CopyCommand::CopyCommand()
{
m_Options.add_options()("h,help", "Print help");
m_Options.add_options()("no-clone", "Do not perform block clone", cxxopts::value(m_NoClone)->default_value("false"));
m_Options.add_option("", "s", "source", "Copy source", cxxopts::value(m_CopySource), "<file/directory>");
m_Options.add_option("", "t", "target", "Copy target", cxxopts::value(m_CopyTarget), "<file/directory>");
m_Options.add_option("", "", "positional", "Positional arguments", cxxopts::value(m_Positional), "");
}
CopyCommand::~CopyCommand() = default;
int
CopyCommand::Run(const ZenCliOptions& GlobalOptions, int argc, char** argv)
{
ZEN_UNUSED(GlobalOptions);
m_Options.parse_positional({"source", "target", "positional"});
auto result = m_Options.parse(argc, argv);
if (result.count("help"))
{
std::cout << m_Options.help({"", "Group"}) << std::endl;
return 0;
}
// Validate arguments
if (m_CopySource.empty())
throw std::runtime_error("No source specified");
if (m_CopyTarget.empty())
throw std::runtime_error("No target specified");
std::filesystem::path FromPath;
std::filesystem::path ToPath;
FromPath = m_CopySource;
ToPath = m_CopyTarget;
const bool IsFileCopy = std::filesystem::is_regular_file(m_CopySource);
const bool IsDirCopy = std::filesystem::is_directory(m_CopySource);
if (!IsFileCopy && !IsDirCopy)
{
throw std::runtime_error("Invalid source specification (neither directory nor file)");
}
if (IsFileCopy && IsDirCopy)
{
throw std::runtime_error("Invalid source specification (both directory AND file!?)");
}
if (IsDirCopy)
{
if (std::filesystem::exists(ToPath))
{
const bool IsTargetDir = std::filesystem::is_directory(ToPath);
if (!IsTargetDir)
{
if (std::filesystem::is_regular_file(ToPath))
{
throw std::runtime_error("Attempted copy of directory into file");
}
}
}
else
{
std::filesystem::create_directories(ToPath);
}
}
else
{
// Single file copy
zen::Stopwatch Timer;
zen::CopyFileOptions CopyOptions;
CopyOptions.EnableClone = !m_NoClone;
zen::CopyFile(FromPath, ToPath, CopyOptions);
ZEN_INFO("Copy completed in {}", zen::NiceTimeSpanMs(Timer.GetElapsedTimeMs()));
}
return 0;
}
} // namespace zen
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