mirror of
https://github.com/RGBCube/serenity
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5ca1c54c27
This is to prepare for removing the time zone from DateTime's default format string. The date utility on most system show time zone by default so let's keep that.
66 lines
2.2 KiB
C++
66 lines
2.2 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/String.h>
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#include <LibCore/ArgsParser.h>
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#include <LibCore/DateTime.h>
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#include <LibCore/System.h>
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#include <LibMain/Main.h>
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#include <time.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 settime rpath", nullptr));
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bool print_unix_date = false;
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bool print_iso_8601 = false;
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bool print_rfc_3339 = false;
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bool print_rfc_5322 = false;
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const char* set_date = nullptr;
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Core::ArgsParser args_parser;
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args_parser.add_option(set_date, "Set system date and time", "set", 's', "date");
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args_parser.add_option(print_unix_date, "Print date as Unix timestamp", "unix", 'u');
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args_parser.add_option(print_iso_8601, "Print date in ISO 8601 format", "iso-8601", 'i');
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args_parser.add_option(print_rfc_3339, "Print date in RFC 3339 format", "rfc-3339", 'r');
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args_parser.add_option(print_rfc_5322, "Print date in RFC 5322 format", "rfc-5322", 'R');
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args_parser.parse(arguments);
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if (set_date != nullptr) {
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auto number = String(set_date).to_uint();
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if (!number.has_value()) {
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warnln("date: Invalid timestamp value");
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return 1;
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}
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timespec ts = { number.value(), 0 };
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TRY(Core::System::clock_settime(CLOCK_REALTIME, &ts));
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return 0;
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}
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// FIXME: this should be improved and will need to be cleaned up
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// when additional output formats and formatting is supported
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if (print_unix_date && print_iso_8601 && print_rfc_3339 && print_rfc_5322) {
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warnln("date: multiple output formats specified");
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return 1;
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}
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auto date = Core::DateTime::now();
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if (print_unix_date) {
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outln("{}", date.timestamp());
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} else if (print_iso_8601) {
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outln("{}", date.to_string("%Y-%m-%dT%H:%M:%S%:z"));
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} else if (print_rfc_5322) {
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outln("{}", date.to_string("%a, %d %b %Y %H:%M:%S %z"));
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} else if (print_rfc_3339) {
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outln("{}", date.to_string("%Y-%m-%d %H:%M:%S%:z"));
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} else {
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outln("{}", date.to_string("%Y-%m-%d %H:%M:%S %Z"));
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}
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return 0;
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}
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