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Re: Difference between 'svn update' and 'svn checkout'

From: Welington Rodrigues Braga <welrbraga_at_welrbraga.eti.br>
Date: Sat, 12 Nov 2011 01:17:36 -0200

2011/11/12 Blair Zajac <blair_at_orcaware.com>:
> On 11/11/2011 06:41 PM, Andy Levy wrote:
>> On Fri, Nov 11, 2011 at 21:12, Welington Rodrigues Braga
>> <welrbraga_at_welrbraga.eti.br>  wrote:
>>> Hi guys,
>>> I've just started to use Subversion a few months ago and I am really
>>> are asking me why I had never used it before but it is not the reason
>>> of my contact. To be honest I am trying to to do a post-commit script
>>> that automatically sincronizes a given workcopy when any of my users
>>> commits their modifications to my repository.
>>> Although it's is ok and working fine (at least in my simples test), I
>>> did not put in production yet because I have a doubt that neither
>>> Subversion manual or Google were able to answer me. I didn't find any
>>> difference beetwen 'svn update' and 'svn checkout' commands which is
>>> the main function of my post-commit script.
>>> Nowadays I'm using 'svn checkout' and it is working, like I said, but
>>> I'm not sure if I'm losing some functionality with this option.
>>> Can anyone help me and answer my question?
>> svn checkout creates a new working copy.
>> svn update updates an existing working copy.
> As Andy said, but there is some special behavior in checkout.  If you run
> svn checkout on top of an existing working copy it'll work if the URL is the
> same as the working copy URLs, but otherwise fail, so this may explain the
> behavior you see.  But if you did
> svn co $URL1 dir
> svn co $URL2 dir
> the second one would fail.
> It's best to do something like this
> if test -d dir; then
>  svn up dir
> else
>  svn co $URL dir
> fi

Thanks Andy and Blair. I've already understood this part explained on
manual so my doubt is considering that a working copy was created and
populated before, it will only receive changes (never it will send or
commit them) and aI will not modify he URL.

Considering those points. Will the behavious of both be the same or
there are any risk of happen something wrong?

Welington Rodrigues Braga
Web: http://www.welrbraga.eti.br
MSN: welrbraga[*]msn·com
Gtalk: welrbraga[*]gmail·com
Yahoo / Skype:  welrbraga
PGP Key: 0x6C7654EB
Linux User #253605
"Em tudo somos atribulados, porém não angustiados; perplexos, porém
não desanimados; perseguidos, porém não desamparados; abatidos, porém
não destruídos;" - 2Co 4:8,9
Received on 2011-11-12 04:18:34 CET

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