Re: [Problem] test_must_fail makes possibly questionable assumptions about exit_code.

[demerphq <demerphq@gmail.com>]

On 1 March 2018 at 16:08, Jeff King <peff@peff.net> wrote:
> On Thu, Mar 01, 2018 at 09:28:31AM -0500, Randall S. Becker wrote:
>
>> > It's not clear to me though if we just want to tweak the programs run in the
>> > test scripts in order to get test_must_fail to stop complaining, or if we
>> > consider the unusual exit codes from our perl-based Git programs to be an
>> > error that should be fixed for real use, too.
>>
>> I'm living unusual exit code IRL all the time. So "fixed for real", is
>> what I'm looking for. So if we were to do that, where is the best
>> place to insert a fix - my original question - that would be permanent
>> in the main git test code. Or perhaps this needs to be in the main
>> code itself.
>
> If it's fixed in the real world, then it needs to be in the main code
> itself. It looks like git-svn already does this to some degree itself
> (most of the work happens in an eval, and it calls the "fatal" function
> if that throws an exception via 'die').
>
> So I think git-send-email.perl (and maybe others) needs to learn the
> same trick (by pushing the main bits of the script into an eval). Or it
> needs to include the SIG{__DIE__} trickery at the beginning of the
> script.
>
> I think the SIG{__DIE__} stuff could go into Git/PredictableDie.pm or
> something, and then any scripts that need it could just "use
> Git::PredictableDie".
>
> Does that make sense?

To me yes. By putting it in a module and 'use'ing it early you
guarantee it will be set up before any code following it is even
compiled.

If there is an existing module that the git perl code always uses then
it could go in there in a BEGIN{} block instead of adding the new
module.

Yves


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