Re: [PATCH v2 8/9] help: add --no-[external-commands|aliases] for use with --all

+static int show_external_commands = -1;
+static int show_aliases = -1;
 static struct option builtin_help_options[] = {
 	OPT_CMDMODE('a', "all", &cmd_mode, N_("print all available commands"),
 		    HELP_ACTION_ALL),
+	OPT_BOOL(0, "external-commands", &show_external_commands,
+		 N_("show external commands in --all")),
+	OPT_BOOL(0, "aliases", &show_aliases, N_("show aliases in --all")),
 	OPT_HIDDEN_BOOL(0, "exclude-guides", &exclude_guides, N_("exclude guides")),
 	OPT_SET_INT('m', "man", &help_format, N_("show man page"), HELP_FORMAT_MAN),
 	OPT_SET_INT('w', "web", &help_format, N_("show manual in web browser"),

@@ -75,7 +80,7 @@ static struct option builtin_help_options[] = {
 };
 
 static const char * const builtin_help_usage[] = {
-	N_("git help [-a|--all] [--[no-]verbose]]"),
+	N_("git help [-a|--all] [--[no-]verbose]] [--[no-]external-commands] [--[no-]aliases]"),
 	N_("git help [[-i|--info] [-m|--man] [-w|--web]] [<command>]"),
 	N_("git help [-g|--guides]"),
 	N_("git help [-c|--config]"),

@@ -620,12 +625,19 @@ int cmd_help(int argc, const char **argv, const char *prefix)
 			builtin_help_usage, 0);
 	parsed_help_format = help_format;
 
+	if (cmd_mode != HELP_ACTION_ALL &&
+	    (show_external_commands >= 0 ||
+	     show_aliases >= 0))
+		usage_msg_opt(_("the '--no-[external-commands|aliases]' options can only be used with '--all'"),
+			      builtin_help_usage, builtin_help_options);

 	switch (cmd_mode) {
 	case HELP_ACTION_ALL:
 		opt_mode_usage(argc, "--all", help_format);
 		if (verbose) {
 			setup_pager();
-			list_all_cmds_help();
+			list_all_cmds_help(show_external_commands,
+					   show_aliases);
 			return 0;
 		}
 		printf(_("usage: %s%s"), _(git_usage_string), "\n\n");

diff --git a/help.c b/help.c
index 004117347ee..45a21e7e35c 100644
--- a/help.c
+++ b/help.c

@@ -476,15 +476,17 @@ static void list_all_cmds_help_aliases(int longest)
 	string_list_clear(&alias_list, 1);
 }
 
-void list_all_cmds_help(void)
+void list_all_cmds_help(int show_external_commands, int show_aliases)
 {
 	int longest;
 
 	puts(_("See 'git help <command>' to read about a specific subcommand"));
 	print_cmd_by_category(main_categories, &longest);
 
-	list_all_cmds_help_external_commands();
-	list_all_cmds_help_aliases(longest);
+	if (show_external_commands)
+		list_all_cmds_help_external_commands();
+	if (show_aliases)
+		list_all_cmds_help_aliases(longest);
 }