ladybird/Userland/Utilities/cp.cpp
2023-05-19 21:12:15 +02:00

99 lines
3.7 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/System.h>
#include <LibFileSystem/FileSystem.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;
auto preserve = FileSystem::PreserveMode::Nothing;
bool recursion_allowed = false;
bool verbose = false;
Vector<StringView> sources;
DeprecatedString destination;
Core::ArgsParser args_parser;
args_parser.add_option(link, "Link files instead of copying", "link", 'l');
args_parser.add_option({
Core::ArgsParser::OptionArgumentMode::Optional,
"Preserve a selection of mode, ownership and timestamps. Defaults to all three if the option is present but no list is given.",
"preserve",
'p',
"attributes",
[&preserve](StringView s) {
if (s.is_empty()) {
preserve = FileSystem::PreserveMode::Permissions | FileSystem::PreserveMode::Ownership | FileSystem::PreserveMode::Timestamps;
return true;
}
bool values_ok = true;
s.for_each_split_view(',', SplitBehavior::Nothing, [&](StringView value) {
if (value == "mode"sv) {
preserve |= FileSystem::PreserveMode::Permissions;
} else if (value == "ownership"sv) {
preserve |= FileSystem::PreserveMode::Ownership;
} else if (value == "timestamps"sv) {
preserve |= FileSystem::PreserveMode::Timestamps;
} else {
warnln("cp: Unknown or unimplemented --preserve attribute: '{}'", value);
values_ok = false;
}
});
return values_ok;
},
Core::ArgsParser::OptionHideMode::None,
});
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 (has_flag(preserve, FileSystem::PreserveMode::Permissions)) {
umask(0);
} else {
TRY(Core::System::pledge("stdio rpath wpath cpath fattr"));
}
bool destination_is_existing_dir = FileSystem::is_directory(destination);
for (auto& source : sources) {
auto destination_path = destination_is_existing_dir
? DeprecatedString::formatted("{}/{}", destination, LexicalPath::basename(source))
: destination;
auto result = FileSystem::copy_file_or_directory(
destination_path, source,
recursion_allowed ? FileSystem::RecursionMode::Allowed : FileSystem::RecursionMode::Disallowed,
link ? FileSystem::LinkMode::Allowed : FileSystem::LinkMode::Disallowed,
FileSystem::AddDuplicateFileMarker::No,
preserve);
if (result.is_error()) {
if (result.error().code() == EISDIR)
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;
}