Am 04.09.2014 um 00:16 schrieb Junio C Hamano:
> René Scharfe <l....@web.de> writes:
>
>>> It bugged me enough that we didn't identify which short option
>>> letter we were complaining about
>>
>> The old code did report the short option. E.g. for t1502 it said:
>>
>> error: BUG: switch 'b' short name already used
>>
>> You can leave that to optbug(), no need for the strbuf.
>
> Not quite, as an opt with long name is reported with the long name
> only, which is not very nice when the problem we are reporting is
> about its short variant.
Perhaps something like the patch below helps, here and in general?
>> Space is allowed as a short option by the code; intentionally?
>
> I didn't think of a strong reason to declare either way, so, yes it
> was deliberate that I didn't tighten to disallow.
OK. I don't think it's easy to come up with a usable way for having
space as a short option, but maybe it's possible.
---
parse-options.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/parse-options.c b/parse-options.c
index b7925c5..f1c0b5d 100644
--- a/parse-options.c
+++ b/parse-options.c
@@ -14,8 +14,12 @@ static int parse_options_usage(struct parse_opt_ctx_t *ctx,
int optbug(const struct option *opt, const char *reason)
{
- if (opt->long_name)
+ if (opt->long_name) {
+ if (opt->short_name)
+ return error("BUG: switch '%c' (--%s) %s",
+ opt->short_name, opt->long_name, reason);
return error("BUG: option '%s' %s", opt->long_name, reason);
+ }
return error("BUG: switch '%c' %s", opt->short_name, reason);
}
--
2.1.0
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