Bug#108983: marked as done (Post-Invoke should be after postinst handling)
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and subject line Bug#108983: Post-Invoke should be after postinst handling
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From: Gerfried Fuchs <alfie@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: Post-Invoke should be after postinst handling
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Date: Fri, 17 Aug 2001 08:55:48 +0200
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Hi!
I took a look at the /usr/share/doc/apt/examples/configure-index.gz
file and found something quite interesting and useful in it, which I
tried:
DPkg::Pre-Invoke {"mount -o remount,rw /usr";};
DPkg::Post-Invoke {"mount -o remount,ro /usr";};
Unfortunately it seems not to work, because the /usr/doc symlink seems
to be proceeded in the postinst, and that seems to be after the
DPkg::Post-Invoke is called. So, is it possible to put the
DPkg::Post-Invoke _after_ the postinst calls so that this really useful
and interesting feature might work as documented?
Thanks alot in advance,
Alfie
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Date: Sun, 19 Aug 2001 09:47:42 +0200
From: Gerfried Fuchs <alfie@debian.org>
To: Jason Gunthorpe <jgg@debian.org>
Cc: 108983-done@bugs.debian.org, APT Development Team <deity@lists.debian.org>
Subject: Re: Bug#108983: Post-Invoke should be after postinst handling
Message-ID: <[🔎] 20010819094740.A1173@asgard.priv.at>
References: <[🔎] E15XdXz-0001GZ-00@localhost> <[🔎] Pine.LNX.3.96.1010818161242.4679K-100000@wakko.deltatee.com>
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Sender: Gerfried Fuchs <alfie@asgard.pte.at>
Delivered-To: 108983-done@bugs.debian.org
On Sat, Aug 18, 2001, Jason Gunthorpe wrote:
[Post-Invoke after postinst]
> It is, there are a number of unrelated reasons why you won't be able to
> remount /usr rw, such as deleted but still open files, background
> processes (update-menus) etc.
Then I am wondering why the symbolic links from /usr/doc/<package> to
/usr/share/doc/<package> are failing because /usr is remounted readonly
already? Isn't that a thing that is done in the postinst, or is that
even done much later? According to what the debhelper package does that
_is_ done in the postinst, and it fails, if I remount /usr ro in the
Post-Invoke.
So please, try to examine that, I really doesn't seem that the
Post-Invoke is done after the postinst. It's not that the remount
doesn't work - it simply works too soon.
So long,
Alfie
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