DO NOT REPLY [Bug 4764] Wrong include/exclude descriptions

[samba-bugs at samba.org]

https://bugzilla.samba.org/show_bug.cgi?id=4764





------- Comment #4 from hashproduct+rsync at gmail.com  2007-07-05 17:39 CST -------
(In reply to comment #3)
> if this where true, an --exclude-from file
> 
> + 6/
> - *
> 
> should only match directories named '6'. For example
> 
> core/6
> update/6
> 
> and so on. Could you please explain me, why I am seeing with this rule above
> 
> $ rsync -av --exclude-from=exclude.txt rsync://mirrors.kernel.org/fedora/
> [...]
> receiving file list ... done
> drwxr-xr-x          77 2007/05/21 23:37:48 .
> 
> sent 101 bytes  received 787 bytes  118.40 bytes/sec
> total size is 0  speedup is 0.00
> 
> The driectories '6' are not matched at all --- and there are some of them
> within this hierarchy! At least these I expect to be listed!

In all of your examples, rsync's behavior is correct.  The "core" and "update"
directories are excluded by the "- *", so rsync never even goes inside to check
for "6" directories.  The man page explains this:

``Note that, when using the --recursive (-r) option (which is implied by -a),
every subcomponent of every path is visited from the top down, so
include/exclude patterns get applied recursively to each subcomponent's full
name (e.g. to include "/foo/bar/baz" the subcomponents "/foo" and "/foo/bar"
must not be excluded).  The exclude patterns actually short-circuit the
directory traversal stage when rsync finds the files to send.  If a pattern
excludes a particular parent directory, it can render a deeper include pattern
ineffectual because rsync did not descend through that excluded section of the
hierarchy.  This is particularly important when using a trailing '*' rule.  For
instance, this won't work:

+ /some/path/this-file-will-not-be-found
+ /file-is-included
- *

This fails because the parent directory "some" is excluded by the '*' rule, so
rsync never visits any of the files in the "some" or "some/path" directories.''


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