tpm2-clear: convert to the new option parser

--help is identical except for whitespace changes.

Co-developed-by: Claude Opus 4.6 <noreply@anthropic.com>

diff --git a/src/tpm2-setup/tpm2-clear.c b/src/tpm2-setup/tpm2-clear.c
index 0800a90747961e2c8d33690500ff0dc9a60b438a..e6a063f2a8d4314668416e2dbfddc620ce01f3cc 100644 (file)
--- a/src/tpm2-setup/tpm2-clear.c
+++ b/src/tpm2-setup/tpm2-clear.c
@@ -1,15 +1,15 @@
 /* SPDX-License-Identifier: LGPL-2.1-or-later */
 
-#include <getopt.h>
-
 #include "sd-messages.h"
 
 #include "alloc-util.h"
 #include "build.h"
 #include "env-util.h"
 #include "fileio.h"
+#include "format-table.h"
 #include "log.h"
 #include "main-func.h"
+#include "options.h"
 #include "pretty-print.h"
 #include "proc-cmdline.h"
 #include "tpm2-util.h"
@@ -18,68 +18,55 @@ static bool arg_graceful = false;
 
 static int help(void) {
         _cleanup_free_ char *link = NULL;
+        _cleanup_(table_unrefp) Table *options = NULL;
         int r;
 
         r = terminal_urlify_man("systemd-tpm2-clear", "8", &link);
         if (r < 0)
                 return log_oom();
 
-        printf("%1$s [OPTIONS...]\n"
-               "\n%5$sRequest clearing of the TPM2 from PC firmware.%6$s\n"
-               "\n%3$sOptions:%4$s\n"
-               "  -h --help               Show this help\n"
-               "     --version            Show package version\n"
-               "     --graceful           Exit gracefully if no TPM2 device is found\n"
-               "\nSee the %2$s for details.\n",
+        r = option_parser_get_help_table(&options);
+        if (r < 0)
+                return r;
+
+        printf("%s [OPTIONS...]\n"
+               "\n%sRequest clearing of the TPM2 from PC firmware.%s\n"
+               "\n%sOptions:%s\n",
                program_invocation_short_name,
-               link,
-               ansi_underline(),
-               ansi_normal(),
                ansi_highlight(),
+               ansi_normal(),
+               ansi_underline(),
                ansi_normal());
 
+        r = table_print_or_warn(options);
+        if (r < 0)
+                return r;
+
+        printf("\nSee the %s for details.\n", link);
         return 0;
 }
 
 static int parse_argv(int argc, char *argv[]) {
-        enum {
-                ARG_VERSION = 0x100,
-                ARG_GRACEFUL,
-        };
-
-        static const struct option options[] = {
-                { "help",     no_argument, NULL, 'h'          },
-                { "version",  no_argument, NULL, ARG_VERSION  },
-                { "graceful", no_argument, NULL, ARG_GRACEFUL },
-                {}
-        };
-
-        int c;
-
         assert(argc >= 0);
         assert(argv);
 
-        while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0)
+        OptionParser state = { argc, argv };
+
+        FOREACH_OPTION(&state, c, /* ret_a= */ NULL, /* on_error= */ return c)
                 switch (c) {
 
-                case 'h':
+                OPTION_COMMON_HELP:
                         return help();
 
-                case ARG_VERSION:
+                OPTION_COMMON_VERSION:
                         return version();
 
-                case ARG_GRACEFUL:
+                OPTION_LONG("graceful", NULL, "Exit gracefully if no TPM2 device is found"):
                         arg_graceful = true;
                         break;
-
-                case '?':
-                        return -EINVAL;
-
-                default:
-                        assert_not_reached();
                 }
 
-        if (optind != argc)
+        if (option_parser_get_n_args(&state) != 0)
                 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "This program expects no arguments.");
 
         return 1;