Bug#286549: marked as done (debian-policy: Detailed description of maintainer script calls (Section 6.5) is incomplete)
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and subject line Bug#286549: Clarification of #286549
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From: Nikolaus Schulz <microschulz@web.de>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: debian-policy: Detailed description of maintainer script calls (Section 6.5)
is incomplete
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Date: Mon, 20 Dec 2004 20:47:10 +0100
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Package: debian-policy
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Hi,
see "Details of unpack phase of installation or upgrade" (Policy section
6.5). If a package is upgraded and "<new-preinst> upgrade
<old-version>" fails, "<old-postinst> abort-upgrade <new-version>" is
called.
This is missing in the Policy Manual:
,----[ policy.txt ]
|
| 3. 1. If the package is being upgraded, call:
| <new-preinst> upgrade <old-version>
|
| 2. Otherwise, if the package had some configuration files from
| a previous version installed (i.e., it is in the
| "configuration files only" state):
| <new-preinst> install <old-version>
|
| 3. Otherwise (i.e., the package was completely purged):
| <new-preinst> install
| Error unwind actions, respectively:
| <new-postrm> abort-upgrade <old-version>
| <new-postrm> abort-install <old-version>
| <new-postrm> abort-install
|
| 4. [...]
`----
All the best,
Nikolaus
-- System Information:
Debian Release: 3.1
APT prefers testing
APT policy: (500, 'testing')
Architecture: powerpc (ppc)
Kernel: Linux 2.6.8-powerpc-fbfix
Locale: LANG=de_DE@euro, LC_CTYPE=de_DE@euro (charmap=ISO-8859-15)
-- no debconf information
---------------------------------------
Received: (at 286549-done) by bugs.debian.org; 4 Feb 2005 18:48:55 +0000
>From srivasta@debian.org Fri Feb 04 10:48:55 2005
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From: Manoj Srivastava <srivasta@debian.org (va, manoj)>
To: Nikolaus Schulz <microschulz@web.de>
Cc: 286549-done@bugs.debian.org
Subject: Re: Bug#286549: Clarification of #286549
Organization: The Debian Project
References: <1106391577.31227.107.camel@thanatos>
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Date: Fri, 04 Feb 2005 12:40:30 -0600
In-Reply-To: <1106391577.31227.107.camel@thanatos> (Thomas Hood's message of
"Sat, 22 Jan 2005 11:59:36 +0100")
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Hi,
You said that:
> If a package is upgraded and
> "<new-preinst> upgrade <old-version>" fails,
> "<old-postinst> abort-upgrade <new-version>" is called.
Looking at src/cleanup.c in the dpkg sources, I don't see this
to be the case: the only time a postrm script is called with an
"abort-upgrade" argument is in the function cu_prermupgrade; which
corresponds to
,----[ 6.5. Details of unpack phase of installation or upgrade ]
| 1. 1. If a version of the package is already installed, call
| <old-prerm> upgrade <new-version>
|
| 2. If the script runs but exits with a non-zero exit status,
| `dpkg' will attempt:
| <new-prerm> failed-upgrade <old-version>
| Error unwind, for both the above cases:
| <old-postinst> abort-upgrade <new-version>
`----
Indeed, looking at the code, I see no basis for that
statement, so I am closing this report. Please reopen it if you can
demonstrate from dpkg source that policy is indeed incomplete.
manoj
--
Q: How many Martians does it take to screw in a lightbulb? A: One and
a half.
Manoj Srivastava <srivasta@debian.org> <http://www.debian.org/%7Esrivasta/>
1024D/BF24424C print 4966 F272 D093 B493 410B 924B 21BA DABB BF24 424C
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