Re: [Qemu-devel] [PATCHv2] qemu-img: add special exit code if bdrv_check is not supported

[Eric Blake <eblake@redhat.com>]

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On 10/24/2013 07:53 AM, Peter Lieven wrote:
> currently it is not possible to distinguish by exitcode if there
> has been an error or if bdrv_check is not supported by the image
> format. Change the exitcode from 1 to 63 for the latter case.
> 
> Signed-off-by: Peter Lieven <pl@kamp.de>
> ---
> v1->v2: As Eric suggested changed the exitcode from 255 to 63.
> 
>  qemu-img.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Should the man page document this exit status?  Then again, it doesn't
document ANY exit status, so that could be a separate patch.

Reviewed-by: Eric Blake <eblake@redhat.com>

> 
> diff --git a/qemu-img.c b/qemu-img.c
> index 926f0a0..bf3fb4f 100644
> --- a/qemu-img.c
> +++ b/qemu-img.c
> @@ -607,7 +607,7 @@ static int img_check(int argc, char **argv)
>          if (output_format == OFORMAT_HUMAN) {
>              error_report("This image format does not support checks");
>          }
> -        ret = 1;
> +        ret = 63;
>          goto fail;
>      }
>  
> 

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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