mirror of
https://github.com/SerenityOS/serenity
synced 2024-07-22 02:26:11 +00:00
102 lines
3 KiB
C++
102 lines
3 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/DeprecatedString.h>
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#include <AK/LexicalPath.h>
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#include <LibCore/ArgsParser.h>
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#include <LibCore/System.h>
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#include <LibFileSystem/FileSystem.h>
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#include <LibMain/Main.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <unistd.h>
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ErrorOr<int> serenity_main(Main::Arguments arguments)
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{
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TRY(Core::System::pledge("stdio rpath wpath cpath fattr"));
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bool force = false;
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bool no_clobber = false;
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bool verbose = false;
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Vector<DeprecatedString> paths;
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Core::ArgsParser args_parser;
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args_parser.add_option(force, "Force", "force", 'f');
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args_parser.add_option(no_clobber, "Do not overwrite existing files", "no-clobber", 'n');
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args_parser.add_option(verbose, "Verbose", "verbose", 'v');
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args_parser.add_positional_argument(paths, "Paths to files being moved followed by target location", "paths");
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args_parser.parse(arguments);
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if (paths.size() < 2) {
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args_parser.print_usage(stderr, arguments.strings[0]);
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return 1;
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}
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if (force && no_clobber) {
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warnln("-f (--force) overrides -n (--no-clobber)");
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no_clobber = false;
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}
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auto original_new_path = paths.take_last();
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struct stat st;
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int rc = lstat(original_new_path.characters(), &st);
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if (rc != 0 && errno != ENOENT) {
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perror("lstat");
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return 1;
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}
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if (paths.size() > 1 && !S_ISDIR(st.st_mode)) {
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warnln("Target is not a directory: {}", original_new_path);
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return 1;
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}
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auto my_umask = umask(0);
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umask(my_umask);
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for (auto& old_path : paths) {
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DeprecatedString combined_new_path;
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auto new_path = original_new_path;
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if (S_ISDIR(st.st_mode)) {
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auto old_basename = LexicalPath::basename(old_path);
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combined_new_path = DeprecatedString::formatted("{}/{}", original_new_path, old_basename);
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new_path = combined_new_path.characters();
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}
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if (no_clobber && FileSystem::exists(new_path))
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continue;
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rc = rename(old_path.characters(), new_path.characters());
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if (rc < 0) {
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if (errno == EXDEV) {
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auto result = FileSystem::copy_file_or_directory(
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new_path, old_path,
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FileSystem::RecursionMode::Allowed,
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FileSystem::LinkMode::Disallowed,
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FileSystem::AddDuplicateFileMarker::No);
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if (result.is_error()) {
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warnln("mv: could not move '{}': {}", old_path, result.error());
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return 1;
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}
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rc = unlink(old_path.characters());
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if (rc < 0)
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warnln("mv: unlink '{}': {}", old_path, strerror(errno));
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} else {
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warnln("mv: cannot move '{}' : {}", old_path, strerror(errno));
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}
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}
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if (verbose && rc == 0)
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outln("renamed '{}' -> '{}'", old_path, new_path);
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}
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return 0;
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}
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