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

[samba-bugs at samba.org]

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





------- Additional Comments From rse at engelschall.com  2005-01-15 14:47 -------
Ops, yes, you're right. Sorry, my fault in assuming the whole time
that we want to use the usual "out to in" way of describing the
include/exclude list. Certainly a wrong assumption from my side. Yes,
you're fully right: if we open our mind and also accept "in to out"
descriptions (although I find them less intuitive) the
"first match" approach is fully sufficient and as powerful, too.

Remains just the questions how many people find "out to in" and how
many "in to out" descriptions more "natural". I'm a clear fan of "out
to in" thinking when it comes to rsync, because the whole rsync command
is a "synchronize this tree" command plus a few include/exclude options
covering the inside of the tree. And it's the way one is also used to
from mostly all modern ACL implementations I know of.

But that's just my point of view. I don't know what people prefer more.
Perhaps that's the reason why we shouldn't try to merge "first match"
and "last match" approaches in rsync, because one is more suitable for
"in to out" and the other for "out to in" descriptions. Hence both have
their right to exist IMHO. And by keeping "first match" as the default,
rsync also doesn't have any backward compatibility problems.


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