describe: when failing, tell the user about options that work

diff --git a/builtin-help.c b/builtin-help.c
index e1eba778a526f500b0a65a6b112e468f04a3f869..ca08519d9d6290f3cda4ee92e29e4acbf8325d0c 100644 (file)
--- a/builtin-help.c
+++ b/builtin-help.c
@@ -372,6 +372,7 @@ static void show_info_page(const char *git_cmd)
        const char *page = cmd_to_page(git_cmd);
        setenv("INFOPATH", system_path(GIT_INFO_PATH), 1);
        execlp("info", "info", "gitman", page, NULL);
+       die("no info viewer handled the request");
 }
 
 static void get_html_page_path(struct strbuf *page_path, const char *page)
@@ -416,9 +417,6 @@ int cmd_help(int argc, const char **argv, const char *prefix)
        const char *alias;
        load_command_list("git-", &main_cmds, &other_cmds);
 
-       setup_git_directory_gently(&nongit);
-       git_config(git_help_config, NULL);
-
        argc = parse_options(argc, argv, prefix, builtin_help_options,
                        builtin_help_usage, 0);
 
@@ -429,6 +427,9 @@ int cmd_help(int argc, const char **argv, const char *prefix)
                return 0;
        }
 
+       setup_git_directory_gently(&nongit);
+       git_config(git_help_config, NULL);
+
        if (!argv[0]) {
                printf("usage: %s\n\n", git_usage_string);
                list_common_cmds_help();