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Code Issues Releases Wiki Activity

add a test for hardlink extraction issue, see #5603

This commit is contained in:
Thomas Waldmann 2021-01-02 22:42:45 +01:00
parent 2851a84003
commit 58c0a0186f
1 changed files with 23 additions and 0 deletions
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23
src/borg/testsuite/archiver.py
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@ -857,6 +857,29 @@ class ArchiverTestCase(ArchiverTestCaseBase):
assert os.stat('input/dir1/aaaa').st_nlink == 2
assert os.stat('input/dir1/source2').st_nlink == 2
@requires_hardlinks
def test_extract_hardlinks_twice(self):
# setup for #5603
path_a = os.path.join(self.input_path, 'a')
path_b = os.path.join(self.input_path, 'b')
os.mkdir(path_a)
os.mkdir(path_b)
hl_a = os.path.join(path_a, 'hardlink')
hl_b = os.path.join(path_b, 'hardlink')
self.create_regular_file(hl_a, contents=b'123456')
os.link(hl_a, hl_b)
self.cmd('init', '--encryption=none', self.repository_location)
self.cmd('create', self.repository_location + '::test', 'input', 'input') # give input twice!
# now test extraction
with changedir('output'):
self.cmd('extract', self.repository_location + '::test')
# if issue #5603 happens, extraction gives rc == 1 (triggering AssertionError) and warnings like:
# input/a/hardlink: link: [Errno 2] No such file or directory: 'input/a/hardlink' -> 'input/a/hardlink'
# input/b/hardlink: link: [Errno 2] No such file or directory: 'input/a/hardlink' -> 'input/b/hardlink'
# otherwise, when fixed, the hardlinks should be there and have a link count of 2
assert os.stat('input/a/hardlink').st_nlink == 2
assert os.stat('input/b/hardlink').st_nlink == 2
def test_extract_include_exclude(self):
self.cmd('init', '--encryption=repokey', self.repository_location)
self.create_regular_file('file1', size=1024 * 80)