pack-objects: specify --index-version argument help explicitly

Wrap both placeholders in the argument help string in angular brackets
to signal that users needs replace them with some actual value.  Use the
flag PARSE_OPT_LITERAL_ARGHELP to prevent parseopt from adding another
pair.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index 6b9cfc289d87b543b747c4024504703a2e0d6641..5d7566a40b39c924c70b8614490f45e4db756ad2 100644 (file)
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -2941,9 +2941,9 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
                OPT_BOOL(0, "all-progress-implied",
                         &all_progress_implied,
                         N_("similar to --all-progress when progress meter is shown")),
-               { OPTION_CALLBACK, 0, "index-version", NULL, N_("version[,offset]"),
+               { OPTION_CALLBACK, 0, "index-version", NULL, N_("<version>[,<offset>]"),
                  N_("write the pack index file in the specified idx format version"),
-                 0, option_parse_index_version },
+                 PARSE_OPT_LITERAL_ARGHELP, option_parse_index_version },
                OPT_MAGNITUDE(0, "max-pack-size", &pack_size_limit,
                              N_("maximum size of each output pack file")),
                OPT_BOOL(0, "local", &local,