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Bug#1114969: debian-cd: Wrong data or missing Release files on DVD-1 images

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From	Vincent Danjean <vdanjean@debian.org>
Newsgroups	linux.debian.bugs.dist, linux.debian.devel.cd
Subject	Bug#1114969: debian-cd: Wrong data or missing Release files on DVD-1 images
Date	Fri, 12 Sep 2025 12:00:01 +0200
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Cross-posted to 2 groups.

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Source: debian-cd
Severity: minor

  Hi,

  While working on scripts to update a DVD-1 image to add a few more packages
(whithout rebuilding the whole DVD image from scratch), I looked at various
Release files in order to 'autodetect' the DVD content.
  I see (on amd64 and arm64 DVD-1 images, I did not check in the other
images/media):
- /dists/trixie/Release
  - present checksums (MD5Sum, SHA1, ...) for
    [component]/binary-[arch]/Packages that are not present (only Packages.gz
    are there, and they also have their checksums).
    Here, it is perhaps to give a way to check the uncompressed file, but it
    seems strange to me to provide checksum to files that need to be
    built/uncompressed
  - set "Components: main contrib"
    - The "non-free-firmware" component is missing from the header (even if it
      is present on the media), and its "Release" file is missing, see below
    - The "debian-installer" component is missing from the header (it is
      perhaps normal here, as this component is for the installer itself, not
      the target system)
- /dists/trixie/non-free-firmware/binary-[arch]/Release
  This file is missing (and, logically, not referenced in
  /dists/trixie/Release)
  All other components (even debian-installer) have their "Release" file

  I give a minor severity to this bug as it seems that these infos are not
required to run installations. For myself, I switched back to look at the
filesystem layout to detect components, instead of relying on the
/dists/trixie/Release file contents.

  Regards,
    Vincent

-- System Information:
Debian Release: forky/sid
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'oldstable-updates'), (500, 'oldstable-security'), (500, 'unstable'), (500, 'testing'), (500, 'stable'), (500, 'oldstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386, armel

Kernel: Linux 6.12.41+deb13-amd64 (SMP w/4 CPU threads; PREEMPT)
Kernel taint flags: TAINT_OOT_MODULE
Locale: LANG=fr_FR.utf8, LC_CTYPE=fr_FR.utf8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)

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Bug#1114969: debian-cd: Wrong data or missing Release files on DVD-1 images Vincent Danjean <vdanjean@debian.org> - 2025-09-12 12:00 +0200

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