[Bug 1859952] [NEW] apt 1.9.6 regression

[Julian Andres Klode]

Public bug reported:

APT 1.9.6 introduced empty groups by making use of groups to
deduplicate package names.

This caused a problem in NewProvidesAllArch because automake was providing automake-1.16
while having the source package automake-1.16. So we found the
automake-1.16 group, iterated over its empty package list, trying
to store the provides (which hence never happened).

** Affects: apt (Ubuntu)
     Importance: Critical
     Assignee: Julian Andres Klode (juliank)
         Status: In Progress


** Tags: block-proposed

** Changed in: apt (Ubuntu)
     Assignee: (unassigned) => Julian Andres Klode (juliank)

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https://bugs.launchpad.net/bugs/1859952

Title:
  apt 1.9.6 regression

Status in apt package in Ubuntu:
  In Progress

Bug description:
  APT 1.9.6 introduced empty groups by making use of groups to
  deduplicate package names.

  This caused a problem in NewProvidesAllArch because automake was providing automake-1.16
  while having the source package automake-1.16. So we found the
  automake-1.16 group, iterated over its empty package list, trying
  to store the provides (which hence never happened).

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