[ubuntu/plucky-proposed] apt 2.9.32 (Accepted)

[Julian Andres Klode]

apt (2.9.32) unstable; urgency=medium

  * Rewordings and documentation updates:
    - Add doc/design/install.md: Installation design
    - Replace "GPG error" with "OpenPGP signature verification failed"
  * Bug fix: Correctly detect obsolete packages in EDSP
    - refactor obsolete checks to use VerFileIterator::Downloadable()
    - Consider 0-size debs not downloadable, set a size in EDSP
    - edsp: Write 'Size' to the EDSP files
  * UX: Produce more human-readable dependency errors in 3.0 solver.
    - test: Grep continuation lines in error messages
    - solver3: Simplify Var pointer tagging
    - solver3: cleanup operators for Var
    - solver3: Support pretty printing clauses
    - solver3: Verbose error messages
    The output now has multiple lines, prints the underlying concrete
    dependency (foo Depends bar), and prints paths not taken.
  * Bug fixes:
    - solver3: bestReason: Only find actual assignments [i.e. when the
      path to a decision is determined for printing, we sometimes picked
      assignments with the wrong polarity, e.g. when determining "why not foo"
      in "foo Conflicts mail-transport-agent" we might have picked a
      decision "not exim4" rather than a choice "postfix"].
    - solver3: Do not prefer new installs over manually installed obsoletes.
      (LP: #2100247) - We still try dependencies with obsolete packages
      last, even if manual, so a "Depends: new" is processed before
      "Depends: new | obsolete" either way.
  * Feature: Introduce transaction support and upgrade count for pkgDepCache.
    - Introduce pkgDepCache::Transaction for transactional depcache updates
    - depcache: Add a new UpgradeCount() member
  * Feature: Fall back to the 3.0 solver if internal failed, or apport is
    installed.
    - Evaluate and fall back to the 3.0 solver
    - Print --solver 3.0 explanation if both internal and it failed
  * Both features have been shipped for several weeks in Ubuntu already and
    received minor bug fixes and additional test cases.

Date: 2025-03-09 22:43:20.003637+00:00
Signed-By: Julian Andres Klode <julian.klode at canonical.com>
https://launchpad.net/ubuntu/+source/apt/2.9.32
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