[3.9] [3.10] gh-107902: gh-108948: Don't test setting suid/sgid/sticky on systems that don't support them (GH-108368) (GH-109697) (GH-125255) #125835
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test_tarfile fails on file modes #107902: Don't test setting suid/sgid on systems that don't support them (gh-107902: Don't test setting suid/sgid on systems that don't support them #108368)
tarfile doesn't set file modes correctly on FreeBSD: test_tarfile.test_modes() fails on FreeBSD #108948: Skip test_tarfile.test_modes() on EFTYPE error (gh-108948: Skip test_tarfile.test_modes() on EFTYPE error #109697)
On FreeBSD, regular users cannot set the sticky bit. Skip the test if
chmod() fails with EFTYPE error.
(cherry picked from commit 6bbaab8)
Co-authored-by: Petr Viktorin [email protected]
Co-authored-by: Victor Stinner [email protected]