ladybird/Userland/Utilities/cp.cpp
PerikiyoXD bdc028da1c cp: Print proper error message with strerror
When cp fails, now it prints an error string (strerror)
instead of an error code.
2021-12-20 10:40:02 -08:00

68 lines
2.5 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/LexicalPath.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/File.h>
#include <LibCore/System.h>
#include <LibMain/Main.h>
#include <stdio.h>
#include <unistd.h>
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
TRY(Core::System::pledge("stdio rpath wpath cpath fattr chown"));
bool link = false;
bool preserve = false;
bool recursion_allowed = false;
bool verbose = false;
Vector<StringView> sources;
String destination;
Core::ArgsParser args_parser;
args_parser.add_option(link, "Link files instead of copying", "link", 'l');
args_parser.add_option(preserve, "Preserve time, UID/GID and file permissions", nullptr, 'p');
args_parser.add_option(recursion_allowed, "Copy directories recursively", "recursive", 'R');
args_parser.add_option(recursion_allowed, "Same as -R", nullptr, 'r');
args_parser.add_option(verbose, "Verbose", "verbose", 'v');
args_parser.add_positional_argument(sources, "Source file paths", "source");
args_parser.add_positional_argument(destination, "Destination file path", "destination");
args_parser.parse(arguments);
if (preserve) {
umask(0);
} else {
TRY(Core::System::pledge("stdio rpath wpath cpath fattr"));
}
bool destination_is_existing_dir = Core::File::is_directory(destination);
for (auto& source : sources) {
auto destination_path = destination_is_existing_dir
? String::formatted("{}/{}", destination, LexicalPath::basename(source))
: destination;
auto result = Core::File::copy_file_or_directory(
destination_path, source,
recursion_allowed ? Core::File::RecursionMode::Allowed : Core::File::RecursionMode::Disallowed,
link ? Core::File::LinkMode::Allowed : Core::File::LinkMode::Disallowed,
Core::File::AddDuplicateFileMarker::No,
preserve ? Core::File::PreserveMode::PermissionsOwnershipTimestamps : Core::File::PreserveMode::Nothing);
if (result.is_error()) {
if (result.error().tried_recursing)
warnln("cp: -R not specified; omitting directory '{}'", source);
else
warnln("cp: unable to copy '{}' to '{}': {}", source, destination_path, strerror(result.error().code()));
return 1;
}
if (verbose)
outln("'{}' -> '{}'", source, destination_path);
}
return 0;
}