From: Christoph Walcher <christoph-wa@gmx.de>
Date: Mon, 8 Sep 2025 13:42:54 +0000 (+0200)
Subject: gh-57911: Fix failing symlink test in tarfile (GH-138626)
X-Git-Tag: v3.15.0a1~450
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=59edf12705ca574040af266e044c7af69b5a75dd;p=thirdparty%2FPython%2Fcpython.git

gh-57911: Fix failing symlink test in tarfile (GH-138626)
---

diff --git a/Lib/test/test_tarfile.py b/Lib/test/test_tarfile.py
index e5466c3bf2a5..9892005787c8 100644
--- a/Lib/test/test_tarfile.py
+++ b/Lib/test/test_tarfile.py
@@ -3694,7 +3694,7 @@ class TestExtractionFilters(unittest.TestCase):
             else:
                 raise AssertionError('Could not determine link resolution')
         else:
-            cls.dotdot_resolves_early = True
+            cls.dotdot_resolves_early = False
 
     @contextmanager
     def check_context(self, tar, filter, *, check_flag=True):
@@ -3842,7 +3842,7 @@ class TestExtractionFilters(unittest.TestCase):
             arc.add('current', symlink_to='.')
 
             # effectively points to ./../
-            if self.dotdot_resolves_early:
+            if self.dotdot_resolves_early and os_helper.can_symlink():
                 arc.add('parent', symlink_to='current/../..')
             else:
                 arc.add('parent', symlink_to='current/..')