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Bug#883777: marked as done (multistrap: preinst runs after packages are unpacked)

Your message dated Fri, 24 Jan 2025 16:20:10 +0000
with message-id <[🔎] E1tbMPi-000wOS-UL@fasolo.debian.org>
and subject line Bug#1093962: Removed package(s) from unstable
has caused the Debian Bug report #883777,
regarding multistrap: preinst runs after packages are unpacked
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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immediately.)


-- 
883777: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=883777
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: multistrap
Version: 2.2.9
Severity: normal

multistrap appears to not follow the Debian policy when dealing with preinst
scripts.

https://www.debian.org/doc/debian-policy/#summary-of-ways-maintainer-scripts-are-called
> The package will not yet be unpacked, so the preinst script cannot rely onn
> any files included in its package

However, if I am judging things right, multistrap unpacks all the selected
packages into their target location, before it then goes and runs all
the available preinst scripts.

So multistrap is not really following the "pre" here.

Many preinst scripts are written based on the Debian policy, intended
to be run before unpack. For example, use multistrap's stretch.conf
but add "addimportant=true". The end result will have
/etc/vim/vimrc.tiny.dpkg-bak instead of /etc/vim/vimrc.tiny.

This situation happens due to vim-common's preinst script trying to
clean up an old version of this file (it now got moved to vim-tiny).
For a new install the preinst script would normally do almost nothing
here, because it would bail out after seeing that /etc/vim/vimrc.tiny
doesn't exist at all (the package has not yet been unpacked).
But in this case, since multistrap has unpacked it first, the behaviour
is different (and not as the Debian policy intended).

I believe multistrap's preinst/unpack behaviour needs to be revisited
based on Debian policy and behaviour of apt/dpkg.

-- System Information:
Debian Release: 9.1
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.13.0-17-generic (SMP w/4 CPU cores)
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968), LANGUAGE=C (charmap=ANSI_X3.4-1968)
Shell: /bin/sh linked to /bin/dash
Init: unable to detect

Versions of packages multistrap depends on:
ii  apt                            1.4.8
ii  libconfig-auto-perl            0.44-1
ii  liblocale-gettext-perl         1.07-3+b1
ii  libparse-debian-packages-perl  0.03-2
ii  perl                           5.24.1-3+deb9u2

multistrap recommends no packages.

Versions of packages multistrap suggests:
pn  fakeroot  <none>

-- no debconf information

--- End Message ---
--- Begin Message --- 
Version: 2.2.11+rm

Dear submitter,

as the package multistrap has just been removed from the Debian archive
unstable we hereby close the associated bug reports.  We are sorry
that we couldn't deal with your issue properly.

For details on the removal, please see https://bugs.debian.org/1093962

The version of this package that was in Debian prior to this removal
can still be found using https://snapshot.debian.org/.

Please note that the changes have been done on the master archive and
will not propagate to any mirrors until the next dinstall run at the
earliest.

This message was generated automatically; if you believe that there is
a problem with it please contact the archive administrators by mailing
ftpmaster@ftp-master.debian.org.

Debian distribution maintenance software
pp.
Paul Tagliamonte (the ftpmaster behind the curtain)

--- End Message ---
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