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Date: Sun, 24 Jan 2021 12:31:14 +0000
From: Eric Wong <e@80x24.org>
To: meta@public-inbox.org
Subject: exit codes [was: [PATCH 5/9] lei q: honor --no-local to force remote
 searches]
Message-ID: <20210124123114.GA10744@dcvr>
References: <20210124114655.12815-1-e@80x24.org>
 <20210124114655.12815-6-e@80x24.org>
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Eric Wong <e@80x24.org> wrote:
> --- a/t/lei.t
> +++ b/t/lei.t
> @@ -277,6 +277,9 @@ my $test_external = sub {
>  	}
>  	ok(!$lei->('q', '-o', "$home/mbox", 's:nope'),
>  			'fails if mbox format unspecified');
> +	ok(!$lei->(qw(q --no-local s:see)), '--no-local');
> +	is($? >> 8, 1, 'proper exit code');

I'm wondering if BSD EX_* constants from sysexits.h makes sense
for lei and if users will care, but keep in mind git doesn't use
them.  But they may conflict with curl(1) exit codes which we
propagate back to the user.

public-inbox-mda uses those codes because MTAs understand them;
but I'm not sure if lei will be invoked by MTAs via procmail
and what not...

sysexits.ph is distributed with Debian and FreeBSD Perl,
but not CentOS7.  However, the codes are stable across
architectures and OSes (AFAIK), unlike syscall numbers.