dnf/0036-automatic-Fix-detecting-releasever_minor.patch
Petr Písař 1cdf57c414 Fix detecting releasever_minor in dnf-automatic
Resolves: RHEL-106141
2025-07-31 09:23:43 +02:00

93 lines
3.8 KiB
Diff

From 341da1e3415980dceaf8d4792f2b46da638a6b10 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20P=C3=ADsa=C5=99?= <ppisar@redhat.com>
Date: Mon, 28 Jul 2025 17:25:09 +0200
Subject: [PATCH] automatic: Fix detecting releasever_minor
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Upstream commit: b7eb2e399c42d10444f7d045689fd50f91cf72db
When running dnf-automatic in RHEL 10.0 where releasever_minor should
default to "0", releasever_minor variable was incorrectly detected as
undefined. That led to expanding a metalink for an EPEL repository to
a wrong URL.
The cause was a bad logic in updating the release, releasever_major,
and releasever_minor triplet in dnf.cli.cli.Cli._read_conf_file():
Setting release invalidates releasever_major and releasever_minor. At
the same time for backward compatibilty detected release only contains
the major number.
This bug did not manifest in "dnf upgrade" command because "dnf"
program does not explicitly construct dnf.Base() before calling
_read_conf_file(). That is dnf-automtic first detected releasever=10
and releasever_minor=0 when calling _setup_default_conf() via
dnf.Base(). But then _read_conf_file() called by dnf-automatic set
releasever again to 10, that rewrote releasever_minor to None and
then _read_conf_file() set releasever_minor to releasever_minor, i.e
to None.
This patch does not change the code flow to minimize regressions.
Instead it saves the original releasever_minor value to be able to
default to it again.
Resolve: #2259
Resolve: https://issues.redhat.com/browse/RHEL-106141
Signed-off-by: Petr Písař <ppisar@redhat.com>
---
dnf/cli/cli.py | 8 ++++++--
tests/test_config.py | 12 ++++++++++++
2 files changed, 18 insertions(+), 2 deletions(-)
diff --git a/dnf/cli/cli.py b/dnf/cli/cli.py
index 289c88224..d4bf811c1 100644
--- a/dnf/cli/cli.py
+++ b/dnf/cli/cli.py
@@ -1010,9 +1010,13 @@ class Cli(object):
if arg is not None:
return arg
return None
+ # Setting conf.releasever rewrites conf.releasever_major and
+ # conf.releasever_minor. Copy them for later use.
+ old_releasever_major = conf.releasever_major
+ old_releasever_minor = conf.releasever_minor
conf.releasever = or_else(releasever, conf.releasever)
- conf.releasever_major = or_else(releasever_major, det_major, conf.releasever_major)
- conf.releasever_minor = or_else(releasever_minor, det_minor, conf.releasever_minor)
+ conf.releasever_major = or_else(releasever_major, det_major, old_releasever_major)
+ conf.releasever_minor = or_else(releasever_minor, det_minor, old_releasever_minor)
if conf.releasever is None:
logger.warning(_("Unable to detect release version (use '--releasever' to specify "
diff --git a/tests/test_config.py b/tests/test_config.py
index 69ba988c4..9445ea29b 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -21,6 +21,7 @@ from __future__ import unicode_literals
import argparse
+import dnf
import dnf.conf
import dnf.conf.read
import dnf.exceptions
@@ -164,3 +165,14 @@ class ConfTest(tests.support.TestCase):
self.assertEqual(conf.releasever, '1.2')
self.assertEqual(conf.releasever_major, '3')
self.assertEqual(conf.releasever_minor, '4')
+
+ def test__read_conf_file_preserves_autodetected_releasever_major_minor(self):
+ base = dnf.Base()
+ base.conf.releasever = '1' # Do not set to '1.2', autodetection pretends '1'
+ base.conf.releasever_major = '1'
+ base.conf.releasever_minor = '2'
+ cli = dnf.cli.Cli(base)
+ cli._read_conf_file()
+ self.assertEqual(base.conf.releasever, '1')
+ self.assertEqual(base.conf.releasever_major, '1')
+ self.assertEqual(base.conf.releasever_minor, '2')
--
2.50.1