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Re: [PATCH] Add platform information to user agent string

From: C. Michael Pilato <cmpilato_at_collab.net>
Date: Tue, 30 Oct 2012 14:39:09 -0400

On 10/30/2012 02:15 PM, Julian Foad wrote:
> Ivan Zhakov wrote:
>
>> On Tue, Oct 30, 2012 at 8:07 PM, Ben Reser wrote:
>>> On Tue, Oct 30, 2012 at 8:28 AM, Ivan Zhakov wrote:
>>>> I think it will be useful to add client platform information to
>>>> user agent string, to use it Apache HTTP Server configuration or
>>>> Subversion hooks. Within my patch applied user agent will be like
>>>> this: SVN/1.8.0 (Windows) serf/1.1.1 TortoiseSVN/1.8.0 SVN/1.8.0
>>>> (Macintosh) serf/1.1.1 SVN/1.8.0 (FreeBSD) serf/1.1.1
>>>
>>> Useful how?
>> For example to disable plain-text basic authentication on Windows. Or
>> disable commits from Linux using pre-commit hook.
>
> (1) Brane has recently added platform identification to the 'svn
> --version' command; is there any reason to use different code here
> producing a different set of platform identifiers? It would seem much
> better to share that code -- whether using just the 'platform' string or
> the whole 'platform-cpu-vendor' (or whatever it is) tuple -- so that the
> two sets of client identifiers cannot get out of sync.

Agreed that there should be a single canonical source of "build
information", and that the work Brane has done seems the reasonable best
candidate of such.

> (2) C-Mike Pilato (?) has recently added some sort of ability for
> pre-commit hooks to see more information (via txn-rev-props), which AFAIK
> was partly intended to let the hook see more info about the client
> platform. I don't know exactly what it does, but isn't that a more
> suitable place to put any new extensions of this kind of functionality?

The stuff I did bypasses the logs altogether and is more useful for letting
hook scripts make decisions based on client *versions* (feature
compatability). My changes don't take client platform into account at all,
but of course could be expanded to do so.

One benefit of Ivan's changes are that the platform information will get
logged in the Apache logs in the same fashion that a browser's User-Agent
string would.

-- 
C. Michael Pilato <cmpilato_at_collab.net>
CollabNet   <>   www.collab.net   <>   Enterprise Cloud Development

Received on 2012-10-30 19:39:49 CET

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