Your message dated Thu, 22 Apr 2021 16:18:52 +0000
with message-id <[email protected]>
and subject line Bug#986875: fixed in chezscheme 9.5.4+dfsg-4
has caused the Debian Bug report #986875,
regarding chezscheme: leaves alternatives after upgrade from buster:
/usr/bin/scheme -> /etc/alternatives/scheme -> /usr/bin/chezscheme9.5
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
986875: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=986875
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: chezscheme
Version: 9.5.4+dfsg-3
Severity: important
User: [email protected]
Usertags: piuparts
Hi,
during a test with piuparts I noticed your package left unowned files on
the system after purge, which is a violation of policy 6.8:
https://www.debian.org/doc/debian-policy/ch-maintainerscripts.html#details-of-removal-and-or-configuration-purging
The leftover files are actually alternatives that were installed by the
package but have not been properly removed.
While there is ongoing discussion how to remove alternatives correctly
(see https://bugs.debian.org/71621 for details) the following strategy
should work for regular cases:
* 'postinst configure' always installs the alternative
* 'prerm remove' removes the alternative
* 'postrm remove' and 'postrm disappear' remove the alternative
In all other cases a maintainer script is invoked (e.g. upgrade,
deconfigure) the alternatives are not modified to preserve user
configuration.
Removing the alternative in 'prerm remove' avoids having a dangling link
once the actual file gets removed, but 'prerm remove' is not called in
all cases (e.g. unpacked but not configured packages or disappearing
packages) so the postrm must remove the alternative again
(update-alternatives gracefully handles removal of non-existing
alternatives).
Note that the arguments for adding and removing alternatives differ, for
removal it's 'update-alternatives --remove <name> <path>'.
Filing this as important as having a piuparts clean archive is a release
goal since lenny.
>From the attached log (scroll to the bottom...):
0m42.4s INFO: Warning: Package purging left files on system:
/etc/alternatives/scheme -> /usr/bin/chezscheme9.5 not owned
/etc/alternatives/scheme-script -> /usr/bin/chezscheme9.5 not owned
/etc/alternatives/scheme-script.1.gz ->
/usr/share/man/man1/scheme-script9.5.1.gz not owned
/etc/alternatives/scheme.1.gz -> /usr/share/man/man1/chezscheme9.5.1.gz
not owned
/usr/bin/scheme -> /etc/alternatives/scheme not owned
/usr/bin/scheme-script -> /etc/alternatives/scheme-script not owned
/usr/share/man/man1/scheme-script.1.gz ->
/etc/alternatives/scheme-script.1.gz not owned
/usr/share/man/man1/scheme.1.gz -> /etc/alternatives/scheme.1.gz not
owned
cheers,
Andreas
--- End Message ---
--- Begin Message ---
Source: chezscheme
Source-Version: 9.5.4+dfsg-4
Done: Göran Weinholt <[email protected]>
We believe that the bug you reported is fixed in the latest version of
chezscheme, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Göran Weinholt <[email protected]> (supplier of updated chezscheme package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Sun, 18 Apr 2021 16:54:30 +0200
Source: chezscheme
Architecture: source
Version: 9.5.4+dfsg-4
Distribution: unstable
Urgency: medium
Maintainer: Göran Weinholt <[email protected]>
Changed-By: Göran Weinholt <[email protected]>
Closes: 986875
Changes:
chezscheme (9.5.4+dfsg-4) unstable; urgency=medium
.
* chezscheme.postinst: Clean up obsolete versioned alternatives on
upgrades from buster. Thanks to Andreas Beckmann for the report and
the patch! (Closes: #986875)
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