/* SPDX-License-Identifier: LGPL-2.1-or-later */
-#include <getopt.h>
-
-#include "alloc-util.h"
+#include "ansi-color.h"
+#include "format-table.h"
+#include "help-util.h"
#include "log.h"
+#include "options.h"
#include "parse-util.h"
-#include "pretty-print.h"
#include "reboot-util.h"
#include "string-util.h"
#include "strv.h"
#include "time-util.h"
static int shutdown_help(void) {
- _cleanup_free_ char *link = NULL;
+ _cleanup_(table_unrefp) Table *options = NULL;
int r;
- r = terminal_urlify_man("shutdown", "8", &link);
+ r = option_parser_get_help_table_ns("shutdown", &options);
if (r < 0)
- return log_oom();
+ return r;
/* Note: if you are tempted to add new command line switches here, please do not. Let this
* compatibility command rest in peace. Its interface is not even owned by us as much as it is by
* sysvinit. If you add something new, add it to "systemctl halt", "systemctl reboot", "systemctl
* poweroff" instead. */
- printf("%s [OPTIONS...] [TIME] [WALL...]\n"
- "\n%sShut down the system.%s\n"
- "\nOptions:\n"
- " --help Show this help\n"
- " -H --halt Halt the machine\n"
- " -P --poweroff Power-off the machine\n"
- " -r --reboot Reboot the machine\n"
- " -h Equivalent to --poweroff, overridden by --halt\n"
- " -k Don't halt/power-off/reboot, just send warnings\n"
- " --no-wall Don't send wall message before halt/power-off/reboot\n"
- " -c Cancel a pending shutdown\n"
- " --show Show pending shutdown\n"
- "\n%sThis is a compatibility interface, please use the more powerful 'systemctl halt',\n"
- "'systemctl poweroff', 'systemctl reboot' commands instead.%s\n"
- "\nSee the %s for details.\n",
- program_invocation_short_name,
- ansi_highlight(), ansi_normal(),
- ansi_highlight_red(), ansi_normal(),
- link);
+ help_cmdline("[OPTIONS…] [TIME] [WALL…]");
+ help_abstract("Shut down the system.");
+
+ help_section("Options");
+ r = table_print_or_warn(options);
+ if (r < 0)
+ return r;
+
+ printf("\n%sThis is a compatibility interface, please use the more powerful 'systemctl halt',\n"
+ "'systemctl poweroff', 'systemctl reboot' commands instead.%s\n",
+ ansi_highlight_red(), ansi_normal());
+ help_man_page_reference("shutdown", "8");
return 0;
}
}
int shutdown_parse_argv(int argc, char *argv[]) {
- enum {
- ARG_HELP = 0x100,
- ARG_NO_WALL,
- ARG_SHOW
- };
-
- static const struct option options[] = {
- { "help", no_argument, NULL, ARG_HELP },
- { "halt", no_argument, NULL, 'H' },
- { "poweroff", no_argument, NULL, 'P' },
- { "reboot", no_argument, NULL, 'r' },
- { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
- { "no-wall", no_argument, NULL, ARG_NO_WALL },
- { "show", no_argument, NULL, ARG_SHOW },
- {}
- };
-
- char **wall = NULL;
- int c, r;
+ int r;
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "HPrhkKat:fFc", options, NULL)) >= 0)
+ OptionParser opts = { argc, argv, .namespace = "shutdown" };
+
+ FOREACH_OPTION_OR_RETURN(c, &opts)
switch (c) {
- case ARG_HELP:
+ OPTION_NAMESPACE("shutdown"): {}
+
+ OPTION_LONG("help", NULL, "Show this help"):
return shutdown_help();
- case 'H':
+ OPTION('H', "halt", NULL, "Halt the machine"):
arg_action = ACTION_HALT;
break;
- case 'P':
+ OPTION('P', "poweroff", NULL, "Power-off the machine"):
arg_action = ACTION_POWEROFF;
break;
- case 'r':
+ OPTION('r', "reboot", NULL, "Reboot the machine"):
if (kexec_loaded())
arg_action = ACTION_KEXEC;
else
arg_action = ACTION_REBOOT;
break;
- case 'K':
- arg_action = ACTION_KEXEC;
- break;
-
- case 'h':
+ OPTION_SHORT('h', NULL, "Equivalent to --poweroff, overridden by --halt"):
if (arg_action != ACTION_HALT)
arg_action = ACTION_POWEROFF;
break;
- case 'k':
+ OPTION_SHORT('k', NULL, "Don't halt/power-off/reboot, just send warnings"):
arg_dry_run = true;
break;
- case ARG_NO_WALL:
+ OPTION_LONG("no-wall", NULL, "Don't send wall message before halt/power-off/reboot"):
arg_no_wall = true;
break;
- case 'a':
- case 't': /* Note that we also ignore any passed argument to -t, not just the -t itself */
- case 'f':
- case 'F':
- /* Compatibility nops */
- break;
-
- case 'c':
+ OPTION_SHORT('c', NULL, "Cancel a pending shutdown"):
arg_action = ACTION_CANCEL_SHUTDOWN;
break;
- case ARG_SHOW:
+ OPTION_LONG("show", NULL, "Show pending shutdown"):
arg_action = ACTION_SHOW_SHUTDOWN;
break;
- case '?':
- return -EINVAL;
+ /* Hidden compat options. */
+ OPTION('K', "kexec", NULL, /* help= */ NULL):
+ arg_action = ACTION_KEXEC;
+ break;
- default:
- assert_not_reached();
+ OPTION_SHORT('a', NULL, /* help= */ NULL): {} /* compatibility noops */
+ OPTION_SHORT('f', NULL, /* help= */ NULL): {}
+ OPTION_SHORT('F', NULL, /* help= */ NULL): {}
+ OPTION_SHORT('t', "ARG", /* help= */ NULL):
+ break;
}
- if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
- r = parse_shutdown_time_spec(argv[optind], &arg_when);
- if (r < 0) {
- log_error("Failed to parse time specification: %s", argv[optind]);
- return r;
- }
+ char **args = option_parser_get_args(&opts);
+ size_t n_args = option_parser_get_n_args(&opts);
+
+ if (n_args > 0 && arg_action != ACTION_CANCEL_SHUTDOWN) {
+ r = parse_shutdown_time_spec(args[0], &arg_when);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse time specification: %s", args[0]);
} else
arg_when = USEC_INFINITY; /* logind chooses on server side */
- if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
+ char **wall = NULL;
+ if (n_args > 0 && arg_action == ACTION_CANCEL_SHUTDOWN)
/* No time argument for shutdown cancel */
- wall = argv + optind;
- else if (argc > optind + 1)
+ wall = args;
+ else if (n_args > 1)
/* We skip the time argument */
- wall = argv + optind + 1;
+ wall = args + 1;
if (wall) {
char **copy = strv_copy(wall);
strv_free_and_replace(arg_wall, copy);
}
- optind = argc;
-
return 1;
}
projects / thirdparty / systemd.git / commitdiff
