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libdnf/SOURCES/0006-hawkeysubject-get_best...

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From dadfe65ce753ba8a8bdb5e38d7929135526edbd5 Mon Sep 17 00:00:00 2001
From: Marek Blaha <mblaha@redhat.com>
Date: Thu, 31 Aug 2023 13:18:03 +0200
Subject: [PATCH] hawkey.subject: get_best_selectors only obsoleters of latest
In situation where a package exists in multiple versions and some older
version is being obsoleted, any of obsoleters was considered a valid
solution.
The result could be really misleading. For example let's have this package set:
systemd-udev-1.0
systemd-udev-2.0
Obsoletes: systemd-udev < 2
systemd-boot-unsigned-2.0
Obsoletes: systemd-udev < 2
In this case `dnf install systemd-udev` may lead to installation of
systemd-boot-unsigned which is probably not what the user expected. The
reason is the split in the upgrade-path created by obsolete and both
branches - systemd-udev-2.0 and systemd-boot-unsigned-2.0 are considered
valid.
With this patch install command takes into account only obsoleters of
the best version of the package so the `dnf install systemd-udev`
results in correct installation of systemd-udev-2.0 package.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2183279
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2176263
---
python/hawkey/__init__.py | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/python/hawkey/__init__.py b/python/hawkey/__init__.py
index 45bdc3a..1ec1ef4 100644
--- a/python/hawkey/__init__.py
+++ b/python/hawkey/__init__.py
@@ -291,13 +291,13 @@ class Subject(_hawkey.Subject):
# after movement of base.install() or base.distro_sync()
return []
+ installed_query = q.installed()
if not self._filename_pattern and is_glob_pattern(self.pattern) \
or solution['nevra'] and solution['nevra'].name is None:
with_obsoletes = False
if obsoletes and solution['nevra'] and solution['nevra'].has_just_name():
with_obsoletes = True
- installed_query = q.installed()
if reponame:
q = q.filter(reponame=reponame)
available_query = q.available()
@@ -309,13 +309,24 @@ class Subject(_hawkey.Subject):
sltrs = []
for name, pkgs_list in q._name_dict().items():
if with_obsoletes:
+ # If there is no installed package in the pkgs_list, add only
+ # obsoleters of the latest versions. Otherwise behave consistently
+ # with upgrade and add all obsoleters.
+ # See https://bugzilla.redhat.com/show_bug.cgi?id=2176263
+ # for details of the problem.
+ obsoletes_query = base.sack.query().filterm(pkg=pkgs_list)
+ if not obsoletes_query.installed():
+ obsoletes_query.filterm(latest_per_arch_by_priority=True)
pkgs_list = pkgs_list + base.sack.query().filter(
- obsoletes=pkgs_list).run()
+ obsoletes=obsoletes_query).run()
sltrs.append(self._list_or_query_to_selector(base.sack, pkgs_list))
return sltrs
else:
if obsoletes and solution['nevra'] and solution['nevra'].has_just_name():
- q = q.union(base.sack.query().filter(obsoletes=q))
+ if installed_query:
+ q = q.union(base.sack.query().filter(obsoletes=q))
+ else:
+ q = q.union(base.sack.query().filter(obsoletes=q.filter(latest_per_arch_by_priority=True)))
installed_query = q.installed()
if reports:
--
libgit2 1.6.4