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/*
 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <AK/FileSystemPath.h>
#include <AK/String.h>
#include <LibCore/ArgsParser.h>
#include <stdio.h>
#include <sys/stat.h>
#include <unistd.h>

int main(int argc, char** argv)
{
    if (pledge("stdio rpath wpath cpath fattr", nullptr) < 0) {
        perror("pledge");
        return 1;
    }

    const char* old_path = nullptr;
    const char* new_path = nullptr;

    Core::ArgsParser args_parser;
    args_parser.add_positional_argument(old_path, "The file or directory being moved", "source");
    args_parser.add_positional_argument(new_path, "destination of the move operation", "destination");
    args_parser.parse(argc, argv);

    struct stat st;

    int rc = lstat(new_path, &st);
    if (rc != 0 && errno != ENOENT) {
        perror("lstat");
        return 1;
    }

    String combined_new_path;
    if (rc == 0 && S_ISDIR(st.st_mode)) {
        auto old_basename = FileSystemPath(old_path).basename();
        combined_new_path = String::format("%s/%s", new_path, old_basename.characters());
        new_path = combined_new_path.characters();
    }

    rc = rename(old_path, new_path);
    if (rc < 0) {
        perror("rename");
        return 1;
    }
    return 0;
}