udevadm: add --version --help options to man page, hide them as commands

[elogind.git] / udev / udevadm.c

diff --git a/udev/udevadm.c b/udev/udevadm.c
index e4f24205467c2286730c6ae7dc5c44f714bee4d5..bfa704ef21754b9472c4bd297c9e7002a8821590 100644 (file)
--- a/udev/udevadm.c
+++ b/udev/udevadm.c
@@ -63,7 +63,8 @@ static int help(struct udev *udev, int argc, char *argv[])
 
        printf("Usage: udevadm [--help] [--version] [--debug] COMMAND [COMMAND OPTIONS]\n");
        for (cmd = cmds; cmd->name != NULL; cmd++)
-               printf("  %-12s %s\n", cmd->name, cmd->help);
+               if (cmd->help != NULL)
+                       printf("  %-12s %s\n", cmd->name, cmd->help);
        printf("\n");
        return 0;
 }
@@ -103,12 +104,10 @@ static const struct command cmds[] = {
        {
                .name = "version",
                .cmd = version,
-               .help = "print the version number",
        },
        {
                .name = "help",
                .cmd = help,
-               .help = "print this help text",
        },
        {}
 };
@@ -210,7 +209,8 @@ int main(int argc, char *argv[])
                        }
                }
 
-       fprintf(stderr, "unknown command, try udevadm help\n\n");
+       fprintf(stderr, "missing or unknown command\n\n");
+       help(udev, argc, argv);
        rc = 2;
 out:
        sysfs_cleanup();