Christof Hanke <[email protected]> added the comment:
Hi Andrei,
I would follow rsync.
>From the man page:
"""
[...]
-c, --checksum
This changes the way rsync checks if the files have been changed
and are in need of a transfer. Without this option, rsync
uses a "quick check" that (by default) checks if each file’s
size and time of last modification match between the sender and
receiver.
[...]
"""
so, yes you can have false positives with a shallow comparison of size + mtime
only. But that's usually ok for e.g. incremental backups.
Wow, the bug is that old...
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<https://bugs.python.org/issue42958>
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