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List:       rsync
Subject:    Re: rsync -a --update resets status of newer target directories
From:       Matthias Schniedermeyer <ms () citd ! de>
Date:       2014-01-21 22:14:47
Message-ID: 20140121221447.GA17182 () citd ! de
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On 21.01.2014 10:07, Linda Walsh wrote:

Wow. Your E-Mail is quite an unreadable HTML mess.

> Then how does "-u" work with files?=A0 If what you say is true, then =

> how would you preserve a newer mtime on the files on the target?

> That is what "-u" does.=A0 Yet you claim this is impossible because
> it isn't unidirectional?

There is a thing called "special case".

Only because there is a "special case" doesn't mean that the general =

description is invalid.

And frankly i didn't think of -u at the time, as it is one of those =

obscure "only for special cases" parameters that has such a narrow =

use-case that i personally found no use for it. Same goes for quite a =

few of the other "special case" parameters.

And -u is evalutated in list-mode, so it just skips over the files. Once =

you get to transfer-mode it's all about difference, which is the point =

where rsync changes the directory time when it was different. There is a =

slight difference for directories, you still have to enter them, you =

can't just skip over them (Of course assuming running in standard =

recursive mode).

You could say the OPs problem is that there isn't a equivalent option to =

do the same for directories, or that directories are excluded (Which OP =

said what was unexpected). Although i don't know enough about rsyncs =

inner workings to know if rsync can skip adding a directory into the =

transfer-list while still entering the directory, but as the OP send a =

patch later i guess it is.





-- =


Matthias
-- =

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