https://bugzilla.samba.org/show_bug.cgi?id=10353
Summary: link-by-hash collision detection
Product: rsync
Version: 3.1.1
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P5
Component: core
AssignedTo: [email protected]
ReportedBy: [email protected]
QAContact: [email protected]
The link-by-hash should include a mode to verify that the original file content
is indeed identical to the content of the file into which it might be
hardlinked per the hash value.
If the hash algorithm happens to be weak (allowing two files of the same size
with same hash and different content - i.e. a hash collision), the
hash-filenames should include a unique suffix (i.e. 123abcd.1024.0;1 and
123abcd.1024.0;2 to differentiate two files with different contents), and if
such filename patterns exist - all copies should be considered for link-by-hash
deduplication.
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