DO NOT REPLY [Bug 3824] Max-delete with percentage

[samba-bugs at samba.org]

https://bugzilla.samba.org/show_bug.cgi?id=3824





------- Comment #1 from hashproduct+rsync at gmail.com  2006-06-06 17:28 MST -------
A percentage --max-delete would be difficult to implement.  The generator would
need to know the total number of files in the target directory in order to
decide whether to delete or skip deleting the first extraneous file.  The files
could be counted in a separate pass during startup and deleted during the main
pass, or they could be counted during the main pass for deletion in a separate
pass at the end of the transfer.

Do you have a specific case in which a percentage --max-delete would be useful?
  If not, the above sounds like a lot of mess for a minor improvement.

Instead, a numeric max-delete could be calculated from a percentage outside of
rsync using a find command:
  rsync <options> src/ dest/ \
    --max-delete=$(($(find dest/ -printf x | wc -c)*$percent/100))
It would take more work to omit files protected from deletion by filters from
the total.


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