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From Steve Amerige <>
Subject Re: <copy/> does not "preservelastmodified" on directories.
Date Tue, 18 Oct 2011 10:53:36 GMT
Hi Cyril and all,

I'm wondering if the <zip> task might get you what you're looking for.  Although, I'm
baffled over the the statement that "Zip 
archives store file modification times with a granularity of two seconds."  You're kidding,
right?  :-)  The roundup attribute 
doesn't fix this issue, it just changes the badness from one form to another.

The <tar> task doesn't mention the 2-second granularity problem, but even with <tarfileset>,
the documentation seems to imply that 
it damages the modes (see the filemode and dirmode attributes).

When I get a chance, I'll test these.

Steve Amerige
SAS Institute, Deployment Software Development

On 10/13/2011 11:55 PM, Stefan Bodewig wrote:
> On 2011-10-13, Cyril Sagan wrote:
>> I glanced at the code for and
>> ResourceUtils, from the source it doesn't look like the preservelastmodified
>> attribute was ever intended to apply to directories.    Can someone from
>> ant-dev offer an opinion on why directories aren't (shouldn't be?) included
>> in the semantics for preserving modification times?
> Because you are the first person who ever cared about the last modified
> times of directories, or at least the first person who ever spoke up.
> Really.  It just never occured to us.
>> Does this seems like a reasonable enhancement request?
> Yes.
> Stefan
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