ladybird/Userland/Utilities/mkdir.cpp
2022-01-01 17:33:43 +00:00

96 lines
2.9 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>
*
* 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>
#include <errno.h>
#include <sys/stat.h>
#include <unistd.h>
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
TRY(Core::System::pledge("stdio cpath rpath"));
bool create_parents = false;
String mode_string;
Vector<const char*> 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_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;
for (auto& directory : directories) {
LexicalPath lexical_path(directory);
if (!create_parents) {
if (mkdir(lexical_path.string().characters(), mask.apply(mask_reference_mode)) < 0) {
perror("mkdir");
has_errors = true;
}
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.build();
struct stat st;
if (stat(path.characters(), &st) < 0) {
if (errno != ENOENT) {
perror("stat");
has_errors = true;
break;
}
bool is_final = (idx == (num_parts - 1));
mode_t mode = is_final ? mask.apply(mask_reference_mode) : default_mode;
if (mkdir(path.characters(), mode) < 0) {
perror("mkdir");
has_errors = true;
break;
}
} else {
if (!S_ISDIR(st.st_mode)) {
warnln("mkdir: cannot create directory '{}': not a directory", path);
has_errors = true;
break;
}
}
path_builder.append("/");
}
}
return has_errors ? 1 : 0;
}