rsync - Feb 2005 - [Bug 2240] Add last-match/short-circuit processing of include/exclude

https://bugzilla.samba.org/show_bug.cgi?id=2240





------- Additional Comments From wayned@samba.org  2005-02-25 10:05 -------
I considered the short-circuit operators (-! and +!) for filter commands, but I
am not convinced of their utility.  Do you have an example of a real-life
situation that they improve?

Note also that the suggested syntax for the new operators is now being used to
specify a rule that triggers when the pattern fails to match (such as "-!
*/")
so if this idiom is needed it would need a new syntax (perhaps "-*"
and "+*").

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https://bugzilla.samba.org/show_bug.cgi?id=2240





------- Additional Comments From wayned@samba.org  2005-02-25 10:00 -------
Created an attachment (id=985)
 --> (https://bugzilla.samba.org/attachment.cgi?id=985&action=view)
Add optional last-match parsing

Here's a simple patch that allows any filter/include/exclude file to be
parsed
in a last-match-wins format.  The file must contain this line (on its own):

[last-match]

This causes all the following rules to be reversed as they are read in, making
them behave in a last-match manner.  This shouldn't cause a problem in an
include/exclude file because the above string would have been a bogus character
range that nobody should have specified.

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