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Code Issues Releases Wiki Activity

Only compare contents when chunker params match (fixes #2899)

This commit is contained in:
Simon Frei 2017-07-30 19:35:38 +02:00
parent 6f7d67d0f9
commit a1bffc193b
2 changed files with 21 additions and 18 deletions
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25
src/borg/archiver.py
View File

@ -1013,18 +1013,19 @@ class Archiver:
def compare_content(path, item1, item2):
if contents_changed(item1, item2):
if item1.get('deleted'):
return ('added {:>13}'.format(format_file_size(sum_chunk_size(item2))))
elif item2.get('deleted'):
return ('removed {:>11}'.format(format_file_size(sum_chunk_size(item1))))
else:
chunk_ids1 = {c.id for c in item1.chunks}
chunk_ids2 = {c.id for c in item2.chunks}
added_ids = chunk_ids2 - chunk_ids1
removed_ids = chunk_ids1 - chunk_ids2
added = sum_chunk_size(item2, added_ids)
removed = sum_chunk_size(item1, removed_ids)
return ('{:>9} {:>9}'.format(format_file_size(added, precision=1, sign=True),
format_file_size(-removed, precision=1, sign=True)))
return 'added {:>13}'.format(format_file_size(sum_chunk_size(item2)))
if item2.get('deleted'):
return 'removed {:>11}'.format(format_file_size(sum_chunk_size(item1)))
if not can_compare_chunk_ids:
return 'modified'
chunk_ids1 = {c.id for c in item1.chunks}
chunk_ids2 = {c.id for c in item2.chunks}
added_ids = chunk_ids2 - chunk_ids1
removed_ids = chunk_ids1 - chunk_ids2
added = sum_chunk_size(item2, added_ids)
removed = sum_chunk_size(item1, removed_ids)
return '{:>9} {:>9}'.format(format_file_size(added, precision=1, sign=True),
format_file_size(-removed, precision=1, sign=True))
def compare_directory(item1, item2):
if item2.get('deleted') and not item1.get('deleted'):

14
src/borg/testsuite/archiver.py
View File

@ -3276,9 +3276,10 @@ class DiffArchiverTestCase(ArchiverTestCaseBase):
self.cmd('create', self.repository_location + '::test1a', 'input')
self.cmd('create', '--chunker-params', '16,18,17,4095', self.repository_location + '::test1b', 'input')
def do_asserts(output, archive):
def do_asserts(output, can_compare_ids):
# File contents changed (deleted and replaced with a new file)
assert 'B input/file_replaced' in output
change = 'B' if can_compare_ids else '{:<19}'.format('modified')
assert '{} input/file_replaced'.format(change) in output
# File unchanged
assert 'input/file_unchanged' not in output
@ -3307,9 +3308,10 @@ class DiffArchiverTestCase(ArchiverTestCaseBase):
# The inode has two links and the file contents changed. Borg
# should notice the changes in both links. However, the symlink
# pointing to the file is not changed.
assert '0 B input/empty' in output
change = '0 B' if can_compare_ids else '{:<19}'.format('modified')
assert '{} input/empty'.format(change) in output
if are_hardlinks_supported():
assert '0 B input/hardlink_contents_changed' in output
assert '{} input/hardlink_contents_changed'.format(change) in output
if are_symlinks_supported():
assert 'input/link_target_contents_changed' not in output
@ -3336,9 +3338,9 @@ class DiffArchiverTestCase(ArchiverTestCaseBase):
if are_hardlinks_supported():
assert 'input/hardlink_target_replaced' not in output
do_asserts(self.cmd('diff', self.repository_location + '::test0', 'test1a'), '1a')
do_asserts(self.cmd('diff', self.repository_location + '::test0', 'test1a'), True)
# We expect exit_code=1 due to the chunker params warning
do_asserts(self.cmd('diff', self.repository_location + '::test0', 'test1b', exit_code=1), '1b')
do_asserts(self.cmd('diff', self.repository_location + '::test0', 'test1b', exit_code=1), False)
def test_sort_option(self):
self.cmd('init', '--encryption=repokey', self.repository_location)