Re: Debian policy, a problem or a misunderstand ?
Laurent Guignard <lguignard.debian@gmail.com> writes:
> Hi mentors,
>
> I read the Debian policy to create my package and i read this at chapter
> "6.1 Introduction to package maintainer scripts"
>
> "The package management system looks at the exit status from these
> scripts. *It is important that they exit with a non-zero status if there
> is an error*, so that the package management system can stop its
> processing. For shell scripts this means that you almost always need to
> use set -e (this is usually true when writing shell scripts, in fact).
> It is also important, of course, that *they don’t exit with a non-zero
> status if everything went well.*"
>
> It seems that if an error occurs, the script have to exit with non-zero
> status
Yes.
> and later in paragraph, if all went well, the script has to exit
> with non-zero status.
No, you've flipped a boolean somewhere :-) It says exactly the
opposite: it is important that the script *not* exit with a non-zero
status if all went well.
> How do i have understand that ?
Perhaps the double negatives are confusing you.
> My opinion is that if everything went well, the exit status has to
> be zero other else a non-zero status ?
Yes, that's the meaning of the passage you quoted.
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Ben Finney
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