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parse-options: do not infer PARSE_OPT_NOARG from option type

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Simplify the "takes no value" error path by relying on PARSE_OPT_NOARG
being set correctly.  That is:

 - if the PARSE_OPT_NOARG flag is set, reject --opt=value
   regardless of the option type;
 - if the PARSE_OPT_NOARG flag is unset, accept --opt=value
   regardless of the option type.

This way, the accepted usage more closely matches the usage advertised
with --help-all.

No functional change intended, since the NOARG flag is only used
with "boolean-only" option types in existing parse_options callers.

Signed-off-by: Stephen Boyd <bebarino@gmail.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Stephen Boyd 2010-12-01 17:30:40 -06:00 committed by Junio C Hamano
parent 5c400ed2e0
commit c1f4ec9ef4
1 changed files with 2 additions and 17 deletions
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19
parse-options.c
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@ -62,23 +62,8 @@ static int get_value(struct parse_opt_ctx_t *p,
return opterror(opt, "takes no value", flags);
if (unset && (opt->flags & PARSE_OPT_NONEG))
return opterror(opt, "isn't available", flags);
if (!(flags & OPT_SHORT) && p->opt) {
switch (opt->type) {
case OPTION_CALLBACK:
if (!(opt->flags & PARSE_OPT_NOARG))
break;
/* FALLTHROUGH */
case OPTION_BOOLEAN:
case OPTION_BIT:
case OPTION_NEGBIT:
case OPTION_SET_INT:
case OPTION_SET_PTR:
return opterror(opt, "takes no value", flags);
default:
break;
}
}
if (!(flags & OPT_SHORT) && p->opt && (opt->flags & PARSE_OPT_NOARG))
return opterror(opt, "takes no value", flags);
switch (opt->type) {
case OPTION_BIT: