# [GSoC] parse: not show usage help when invalid id

2 messages from 2018-03-16 to 2018-03-16. Participants: Roger Solano, Junio C Hamano.
Thread: https://gitlist.dev/t/48061

## Roger Solano, 2018-03-16 22:33

Subject: [GSoC] parse: not show usage help when invalid id
Message-ID: <20180316223345.7799-1-sc_rogeralberto@hotmail.com>
URL: https://gitlist.dev/e/20180316223345.7799-1-sc_rogeralberto%40hotmail.com

```
patch for too chatty command when <id> is invalid
ex. git tag --contains <id>

It is possible to skip 'goto show_usage_error' when
parse_long_opt fails? and return directly from there.

Signed-off-by: Roger Solano <sc_rogeralberto@hotmail.com>
---
 parse-options.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/parse-options.c b/parse-options.c
index 125e84f98..074915eb3 100644
--- a/parse-options.c
+++ b/parse-options.c
@@ -550,7 +550,7 @@ int parse_options_step(struct parse_opt_ctx_t *ctx,
 			goto show_usage;
 		switch (parse_long_opt(ctx, arg + 2, options)) {
 		case -1:
-			goto show_usage_error;
+			return -1; 
 		case -2:
 			goto unknown;
 		}
-- 
2.13.6


```

## Junio C Hamano, 2018-03-16 23:05

Subject: Re: [GSoC] parse: not show usage help when invalid id
Message-ID: <xmqq605vzknz.fsf@gitster-ct.c.googlers.com>
URL: https://gitlist.dev/e/xmqq605vzknz.fsf%40gitster-ct.c.googlers.com
In-Reply-To: <20180316223345.7799-1-sc_rogeralberto@hotmail.com>

```
Roger Solano <sroger.git@gmail.com> writes:

> patch for too chatty command when <id> is invalid
> ex. git tag --contains <id>
>
> It is possible to skip 'goto show_usage_error' when
> parse_long_opt fails? and return directly from there.

Can you explain how this relates to and/or compares with a recent
update [1]?

Thanks.

[1] https://public-inbox.org/git/20180306193116.23876-1-ungureanupaulsebastian@gmail.com

>
> Signed-off-by: Roger Solano <sc_rogeralberto@hotmail.com>
> ---
>  parse-options.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/parse-options.c b/parse-options.c
> index 125e84f98..074915eb3 100644
> --- a/parse-options.c
> +++ b/parse-options.c
> @@ -550,7 +550,7 @@ int parse_options_step(struct parse_opt_ctx_t *ctx,
>  			goto show_usage;
>  		switch (parse_long_opt(ctx, arg + 2, options)) {
>  		case -1:
> -			goto show_usage_error;
> +			return -1; 
>  		case -2:
>  			goto unknown;
>  		}

```