ladybird/Userland/Utilities/mkdir.cpp

105 lines
3.4 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2020-2021, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2021, Xavier Defrang <xavier.defrang@gmail.com>
* Copyright (c) 2023, Tim Ledbetter <timledbetter@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/LexicalPath.h>
#include <AK/StringBuilder.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/FilePermissionsMask.h>
#include <LibCore/System.h>
#include <LibMain/Main.h>
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
TRY(Core::System::pledge("stdio cpath rpath"));
bool create_parents = false;
bool verbose = false;
StringView mode_string;
Vector<StringView> directories;
Core::ArgsParser args_parser;
args_parser.add_option(create_parents, "Create parent directories if they don't exist", "parents", 'p');
args_parser.add_option(mode_string, "Set new directory permissions", "mode", 'm', "mode");
args_parser.add_option(verbose, "Print a message for each created directory", "verbose", 'v');
args_parser.add_positional_argument(directories, "Directories to create", "directories");
args_parser.parse(arguments);
mode_t const default_mode = 0755;
mode_t const mask_reference_mode = 0777;
Core::FilePermissionsMask mask;
if (mode_string.is_empty()) {
mask.assign_permissions(default_mode);
} else {
mask = TRY(Core::FilePermissionsMask::parse(mode_string));
}
bool has_errors = false;
auto create_directory = [&](StringView path, mode_t mode) {
auto maybe_error = Core::System::mkdir(path, mode);
if (maybe_error.is_error()) {
warnln("mkdir: {}", strerror(maybe_error.error().code()));
has_errors = true;
return false;
}
if (verbose)
outln("mkdir: Created directory '{}'", path);
return true;
};
for (auto& directory : directories) {
LexicalPath lexical_path(directory);
if (!create_parents) {
create_directory(lexical_path.string(), mask.apply(mask_reference_mode));
continue;
}
StringBuilder path_builder;
if (lexical_path.is_absolute())
path_builder.append('/');
auto& parts = lexical_path.parts_view();
size_t num_parts = parts.size();
for (size_t idx = 0; idx < num_parts; ++idx) {
auto& part = parts[idx];
path_builder.append(part);
auto path = path_builder.string_view();
auto stat_or_error = Core::System::stat(path);
if (stat_or_error.is_error()) {
if (stat_or_error.error().code() != ENOENT) {
warnln("mkdir: {}", strerror(stat_or_error.error().code()));
has_errors = true;
break;
}
bool is_final = (idx == (num_parts - 1));
mode_t mode = is_final ? mask.apply(mask_reference_mode) : default_mode;
if (!create_directory(path, mode))
break;
} else {
if (!S_ISDIR(stat_or_error.value().st_mode)) {
warnln("mkdir: cannot create directory '{}': not a directory", path);
has_errors = true;
break;
}
}
path_builder.append('/');
}
}
return has_errors ? 1 : 0;
}