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Re: automatic server-side setting of svn:keywords using hooks

From: Ryan Schmidt <subversion-2007b_at_ryandesign.com>
Date: Thu, 31 Jan 2008 13:19:02 -0600

On Jan 31, 2008, at 12:50, Johannes Egger wrote:

>>> I saw a big warning at http://svnbook.red-bean.com/en/1.1/
>>> ch05s02.html (subversion 1.1) about
>>> modifying a transaction using hook scripts. The 1.1 version of
>>> the book specifically mentions
>>> svn:eol-style and svn:mime-type. This is understandable.
>>> Version 1.4 is more explicit and talks about the client-side
>>> cache which might become stale. Is
>>> this a problem for *all* transaction modifications? Does it apply
>>> to svn-keywords?
>> Yes, it's a problem for all transaction modifications: all file and
>> directory properties are cached on the client. The only server side
>> commit-time modification which is relatively safe (for now) is to
>> change revision properties. (But those don't have any relation with
>> keywords.)
>>> Is there any other way to automatically set properties on the
>>> server-side that I'm not aware of?
>> Yes, in a followup commit following the commit that didn't set the
>> correct keywords.
> Thanks for your quick response. How would I go about doing that?
> The commit hooks are only passed
> the repo path and revision id as arguments. Would I have to check
> which files have been added with
> that revision id, then add svn:keywords properties and commit? E.g.
> I'd parse the output of "svn
> log" or some similar command etc?

In the post-commit hook, you would check which files have been added/
changed/deleted using

svnlook changed $REPO -r $REV

Your hook would need to maintain a working copy for itself somewhere
on the server. It could update each directory that was changed, which
you can find using

svnlook dirs-changed $REPO -r $REV

Then for each file changed, set the property. Then commit all changes.

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Received on 2008-01-31 20:19:33 CET

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