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Re: Issue #3645: Create directly compressed archives

From: Hyrum K. Wright <hyrum_wright_at_mail.utexas.edu>
Date: Wed, 14 Jul 2010 16:09:59 +0100

On Wed, Jul 14, 2010 at 3:52 PM, C. Michael Pilato <cmpilato_at_collab.net> wrote:
> On 07/14/2010 10:34 AM, Hyrum K. Wright wrote:
>> On Wed, Jul 14, 2010 at 2:53 PM, Noorul Islam K M <noorul_at_collab.net> wrote:
>>>
>>> Hello all,
>>>
>>> I am planning to implement the requirement mentioned in issue
>>> http://subversion.tigris.org/issues/show_bug.cgi?id=3645. I hope no one
>>> has yet started on this.
>>>
>>> I am going to add an option "--archive" to export command. If specified,
>>> the output of the export command will be in tar format. which will be
>>> dumped to STDOUT. The user can pipe it to any other program thereafter.
>>>
>>> For a user it will be like this.
>>>
>>> $ svn export . --archive > /tmp/export.tar
>>>
>>> or
>>>
>>> $ svn export . --archive | bzip2 > /tmp/export.tat.bz2
>>>
>>>
>>> Any valuable inputs will be helpful.
>>
>> I think issue #3645 is about compressing the backend storage, rather
>> than some output of the svn client command.
>
> Not sure what leads you to believe this.  If you read the issue, you can
> clearly see that it discusses 'git archive' (which is a tree export
> mechanism, not a repository compression tool) and compares such with 'svn
> export' as the lesser-but-at-least-somewhat-viable workaround.

A sloppy reading of the issue, and a less-than-perfect knowledge of
git, led me to believe the above.

> That said, I too am less than thrilled about adding what amounts to Yet
> Another Implementation Of the Tar Archive Algorithm to our codebase, and
> still more disappointed to think that the minute we do this the Windows
> users will be clamoring for Zip or 7z or something else.
>
> I've closed issue 3645 as WONTFIX with a similar explanation (and a
> recommended alternative feature that would be more generally useful).

+1. The idea of 'svn export --xml' is intriguing to me, and I've
discovered issue 2538 which mentions just such a feature.

-Hyrum
Received on 2010-07-14 17:10:38 CEST

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