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Fix read-only tests for fakeroot environment

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finefoot 2020-04-20 20:29:37 +02:00 committed by GitHub
parent dc95c88242
commit 07e445f026
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1 changed files with 9 additions and 4 deletions
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13
src/borg/testsuite/__init__.py
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@ -284,8 +284,13 @@ def wait_for_mountstate(self, mountpoint, *, mounted, timeout=5):
def read_only(self, path):
"""Some paths need to be made read-only for testing
Using chmod to remove write permissions is not enough due to
the tests running with root privileges. Instead, the folder is
If the tests are executed inside a fakeroot environment, the
changes from chmod won't affect the real permissions of that
folder. This issue is circumvented by temporarily disabling
fakeroot with `LD_PRELOAD=`.
Using chmod to remove write permissions is not enough if the
tests are running with root privileges. Instead, the folder is
rendered immutable with chattr or chflags, respectively.
"""
if sys.platform.startswith('linux'):
@ -301,13 +306,13 @@ def read_only(self, path):
message = 'Testing read-only repos is not supported on platform %s' % sys.platform
self.skipTest(message)
try:
os.system('chmod -R ugo-w "%s"' % path)
os.system('LD_PRELOAD= chmod -R ugo-w "%s"' % path)
os.system(cmd_immutable)
yield
finally:
# Restore permissions to ensure clean-up doesn't fail
os.system(cmd_mutable)
os.system('chmod -R ugo+w "%s"' % path)
os.system('LD_PRELOAD= chmod -R ugo+w "%s"' % path)
class changedir: