uuidgen: give hint in usage() what uuid namepaces can be used

Also fix --help and --version alignment.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

diff --git a/misc-utils/uuidgen.c b/misc-utils/uuidgen.c
index 7983cb8daf927026c93a5d006e855c4efbca0120..7dcd1f48cda5975dfdb82e8915fbda2ea59d3491 100644 (file)
--- a/misc-utils/uuidgen.c
+++ b/misc-utils/uuidgen.c
@@ -32,12 +32,13 @@ static void __attribute__((__noreturn__)) usage(void)
        fputs(_(" -r, --random        generate random-based uuid\n"), out);
        fputs(_(" -t, --time          generate time-based uuid\n"), out);
        fputs(_(" -n, --namespace ns  generate hash-based uuid in this namespace\n"), out);
+       printf(_("                       available namespaces: %s\n"), "@dns @url @oid @x500");
        fputs(_(" -N, --name name     generate hash-based uuid from this name\n"), out);
        fputs(_(" -m, --md5           generate md5 hash\n"), out);
        fputs(_(" -s, --sha1          generate sha1 hash\n"), out);
        fputs(_(" -x, --hex           interpret name as hex string\n"), out);
        fputs(USAGE_SEPARATOR, out);
-       printf(USAGE_HELP_OPTIONS(18));
+       printf(USAGE_HELP_OPTIONS(21));
        printf(USAGE_MAN_TAIL("uuidgen(1)"));
        exit(EXIT_SUCCESS);
 }