Changes/DNF Default Best

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DNF Best Mode By Default

Summary

Make DNF always try to upgrade to the highest version of a package available, even only to fail due to dependency issues.

Owner

• Name: Michal Domonkos
• Email: mdomonko@redhat.com
• Release notes owner:

Current status

• Targeted release: Fedora 30
• Last updated: 2019-02-11
• Tracker bug: <will be assigned by the Wrangler>

Detailed Description

Ship the default /etc/dnf.conf file with the best=1 option.

The description from dnf.conf(5):

best  boolean
When upgrading a package, always try to install its highest version available, even only to find out some of its deps are not satisfiable. Enable this if you want to experience broken dependencies in the repositories firsthand. The default is False.

Benefit to Fedora

This change allows the user to be notified when a package cannot be upgraded to the latest version, instead of silently ignoring it as an upgrade candidate.

This is especially important for security fixes that could otherwise be overseen by the user in case there is misconfiguration or inconsistency in the repository.

Scope

• Proposal owners:

Backport the following pull requests into the DNF stack on Fedora:

https://github.com/rpm-software-management/libdnf/pull/678
https://github.com/rpm-software-management/dnf/pull/1311
https://github.com/rpm-software-management/dnf/pull/1316
https://github.com/rpm-software-management/dnf/pull/1319

• Other developers: N/A (not a System Wide Change)

• Release engineering: #Releng issue number (a check of an impact with Release Engineering is needed)
  • List of deliverables: N/A (not a System Wide Change)

• Policies and guidelines: N/A (not a System Wide Change)

• Trademark approval: N/A (not needed for this Change)

Upgrade/compatibility impact

N/A (not a System Wide Change)

How To Test

N/A (not a System Wide Change)

Dependencies

N/A (not a System Wide Change)

Contingency Plan

• Contingency mechanism: (What to do? Who will do it?) N/A (not a System Wide Change)
• Contingency deadline: N/A (not a System Wide Change)
• Blocks release? N/A (not a System Wide Change), Yes/No
• Blocks product? product

Documentation

N/A (not a System Wide Change)