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Re: Bug#582109: debian-policy: document triggers where appropriate

On Mon, 22 Jul 2013, Charles Plessy wrote:
> Nevertheless, please let me try to refocus on the question of whether
> the Policy can be updated or not.

I believe we can update the policy whatever the status of this specific

> Here is what is written in the Policy about "postinst configure":
>     The files contained in the package will be unpacked. All package
>     dependencies will at least be unpacked.

You're missing the important sentence that follows: “If there are no
circular dependencies involved, all package dependencies will be

> I propose to go ahead with the following:
>             <tag><var>postinst</var> <tt>triggered</tt>
>               "<var>trigger-name</var> <var>trigger-name</var> ..."</tag>
>             <item>

My suggestion:

<prgn>postinst configure</prgn> was already run and the dependencies ought
to be configured. However, dpkg currently suffers of a bug which means
that <prgn>postinst triggered</prgn> can be called while some dependencies
are being upgraded (see bug <url id="http://bugs.debian.org/671711";
name="671711">). You should thus only rely on the fact that the
dependencies are at least unpacked and were already configured once
(similar to what <tt>Pre-Depends</tt> ensures for <prgn>preinst</prgn>
maintainer scripts).

> I would like to go ahead and close this bug.  If Raphaël confirms that he still
> seconds the patch,  I would much appreciate if I could either have support or
> actionable objection from others (preferably in the form of "unless X is done,
> the patch should not be applied", rather than "it would be good to do Y").

I maintain my second provided that you fix the above.

Raphaël Hertzog ◈ Debian Developer

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