bug#6308: Preserve command exit code in timeout(3)

[Jim Meyering]

Pádraig Brady wrote:

> On 10/29/2012 08:44 AM, Jim Meyering wrote:
>> Pádraig Brady wrote:
>> ...
>>> Subject: [PATCH] timeout: add --exit-status to always propagate the 
>>> command's
>>>   exit status
>>>
>>> It's useful for commands that support running for an indeterminite
>>> amount of time, to not return a specific timeout exit status (124),
>>> and instead let the command handle the timeout signal and return
>>> a status for the work done so far.
>>>
>>> * doc/coreutils.texi (timeout invocation): Describe the new option.
>>> * src/timeout.c (use_exit_status): A new global boolean to
>>> enable the --exit-status behavior.
>>
>> Thanks.  This looks fine.
>>
>> Did you consider calling it --preserve-exit-status?
>> That seems more descriptive to me, since it preserves the exit
>> status of the command that timeout runs.
>> When I first saw --exit-status, I wondered if it should have an =N
>> after it, by which to specify a specific number.
>
> Yes I did.
> --preserve-exit-status is better, but worse because it's longer.
> Maybe split the difference with --preserve-status ?

These days, I prefer more expressive option names.  As long as a short
prefix is unique, length doesn't really matter.  Here, --p is enough.
However, --preserve-status seems ok, too.  There is precedent for
using "status" to mean "exit status" with md5sum's --status option.
Your call.