[Bug 1986513] Re: Software & Updates doesn't handle sources files properly when an entry has options

[James C.]

Same implementation (limitations in /usr/lib/python3/dist-packages/softwareproperties/sourceslist.py and failure of its users to understand it) as
https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/1864280
which already has an importance.

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https://bugs.launchpad.net/bugs/1986513

Title:
  Software & Updates doesn't handle sources files properly when an entry
  has options

Status in software-properties package in Ubuntu:
  Confirmed

Bug description:
  — SYNOPSIS —

  Software & Updates (software-properties-gtk) has a tab "Other
  Software" that lists all entries in /etc/apt/sources.list and in
  /etc/apt/sources.list.d/*.list

  Some entries have an option in square brackets, e.g.:

  deb [arch=amd64] ...

  But, Software & Updates doesn't handle these options properly.

  1. It removes the option if you edit the entry.
  2. If the option contains "signed-by", Software & Updates doesn't even list the entry, and thus allows you to add a duplicate entry (normally prevented).

  — EXAMPLES —

  Example of point 1:

  Consider Google Chrome:
  deb [arch=amd64] https://dl.google.com/linux/chrome/deb/ stable main #Chrome

  If you edit this entry in Software & Updates, it removes [arch=amd64].

  The same applies to [trusted=yes].

  Example of point 2:

  Consider SpiderOakONE, which needs "signed-by".
  deb [signed-by=/usr/share/keyrings/spideroakone.gpg] https://apt.spideroak.com/ubuntu/ release restricted #SpiderOakONE

  This also happens with combinations:
  deb [arch=amd64 signed-by=/usr/share/keyrings/spideroakone.gpg] https://apt.spideroak.com/ubuntu/ release restricted #SpiderOakONE

  Software & Updates doesn't even display this entry. Thus, you can
  manually re-add this deb, albeit without the signed-by option.

  — MORE DETAIL —

  Confusingly, you can add the option [arch=amd64] or [trusted=yes] (or
  both) when you add an entry in Software & Updates, but if you then
  edit the entry, Software & Updates removes the option.

  — EXPECTED BEHAVIOUR —

  Software & Updates should:

  • Display all entries
  • Preserve all options when editing an entry
  • Allow you to add suitable options when adding an entry
  • Allow you to edit options when editing an entry

  — VERSIONS —

  Ubuntu version:
  Tested on Ubuntu 20.04.4 and Ubuntu 22.04.1

  software-properties-gtk version:
  0.99.9.8 (on Ubuntu 20.04)
  0.99.22.3 (on Ubuntu 22.04)

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: software-properties-gtk 0.99.22.3
  ProcVersionSignature: Ubuntu 5.15.0-46.49-generic 5.15.39
  Uname: Linux 5.15.0-46-generic x86_64
  ApportVersion: 2.20.11-0ubuntu82.1
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Aug 15 09:19:51 2022
  ExecutablePath: /usr/bin/software-properties-gtk
  InstallationDate: Installed on 2022-05-05 (101 days ago)
  InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Release amd64 (20220419)
  InterpreterPath: /usr/bin/python3.10
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_GB:en
   PATH=(custom, user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  Python3Details: /usr/bin/python3.10, Python 3.10.4, python3-minimal, 3.10.4-0ubuntu2
  PythonDetails: N/A
  SourcePackage: software-properties
  UpgradeStatus: No upgrade log present (probably fresh install)

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