boot-check-no-failures: convert to VERB_COMMAND and add --introspect-cli

The custom help() is replaced by a COMMAND() description, and
--introspect-cli is added.

src/bless-boot/boot-check-no-failures.c

@@ -1,44 +1,19 @@
 /* SPDX-License-Identifier: LGPL-2.1-or-later */
 
-#include <stdio.h>
-
 #include "sd-bus.h"
+#include "sd-json.h"
 
-#include "alloc-util.h"
 #include "build.h"
 #include "bus-error.h"
-#include "format-table.h"
 #include "log.h"
 #include "main-func.h"
-#include "options.h"
-#include "pretty-print.h"
+#include "verbs.h"
 
-static int help(void) {
-        _cleanup_free_ char *link = NULL;
-        _cleanup_(table_unrefp) Table *options = NULL;
-        int r;
-
-        r = terminal_urlify_man("systemd-boot-check-no-failures.service", "8", &link);
-        if (r < 0)
-                return log_oom();
-
-        r = option_parser_get_help_table(&options);
-        if (r < 0)
-                return r;
-
-        printf("%s [OPTIONS...]\n"
-               "\n%sVerify system operational state.%s\n\n",
-               program_invocation_short_name,
-               ansi_highlight(),
-               ansi_normal());
-
-        r = table_print_or_warn(options);
-        if (r < 0)
-                return r;
-
-        printf("\nSee the %s for details.\n", link);
-        return 0;
-}
+COMMAND(
+        "systemd-boot-check-no-failures\0",
+        "Verify system operational state.",
+        .man_pages = "systemd-boot-check-no-failures.service.8\0",
+);
 
 static int parse_argv(int argc, char *argv[]) {
         assert(argc >= 0);
@@ -50,10 +25,13 @@ static int parse_argv(int argc, char *argv[]) {
                 switch (c) {
 
                 OPTION_COMMON_HELP:
-                        return help();
+                        return command_print_help("systemd-boot-check-no-failures");
 
                 OPTION_COMMON_VERSION:
                         return version();
+
+                OPTION_COMMON_INTROSPECT_CLI:
+                        return introspect_cli(SD_JSON_FORMAT_OFF);
                 }
 
         return 1;

test/units/TEST-74-AUX-UTILS.introspect-cli.sh

@@ -19,6 +19,7 @@ INTROSPECTABLE=(
     systemd-backlight
     systemd-battery-check
     systemd-binfmt
+    systemd-boot-check-no-failures
     systemd-bsod
     systemd-cat
     systemd-cgls