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From Joe Schaefer <joe_schae...@yahoo.com>
Subject Re: Coniguring 301/302 redirects to track an fspath rename
Date Sun, 03 Feb 2013 17:15:58 GMT
The code is here if you are interested (dunno
if it's publicly accessible or not but I believe
so).


https://svn.apache.org/repos/infra/infrastructure/trunk/projects/svn_check_path/




>________________________________
> From: Joe Schaefer <joe_schaefer@yahoo.com>
>To: Greg Stein <gstein@gmail.com> 
>Cc: "dev@subversion.apache.org" <dev@subversion.apache.org> 
>Sent: Sunday, February 3, 2013 12:10 PM
>Subject: Re: Coniguring 301/302 redirects to track an fspath rename
> 
>
>I backed off with the idea of trying to coax
>new behavior out of svn clients by munging OPTIONS
>responses, but GET and HEAD are now doing
>interesting things even with ?p= set.  For our
>purposes someday it would be nice to just have
>a graduating podling's checkouts all auto-switch
>to the moved location.  Whether that's
>accomplished by augmenting an OPTIONS request
>with revision details or just using the existing
>GET/HEAD support or some other method would be
>just fine with me.
>
>
>
>
>
>
>>________________________________
>> From: Joe Schaefer <joe_schaefer@yahoo.com>
>>To: Greg Stein <gstein@gmail.com> 
>>Cc: "dev@subversion.apache.org" <dev@subversion.apache.org> 
>>Sent: Saturday, February 2, 2013 2:07 AM
>>Subject: Re: Coniguring 301/302 redirects to track an fspath rename
>> 
>>
>>The (pegrev) revision is typically available on
>>the command-line: all I want is for svn to distinguish
>>between
>>
>>
>>    svn ls foo@1000000
>>
>>
>>and
>>
>>
>>    svn ls foo
>>
>>
>>
>>as far as making redirects pegrev-aware.
>>
>>
>>
>>
>>
>>
>>>________________________________
>>> From: Greg Stein <gstein@gmail.com>
>>>To: Joe Schaefer <joe_schaefer@yahoo.com> 
>>>Cc: dev@subversion.apache.org 
>>>Sent: Saturday, February 2, 2013 1:53 AM
>>>Subject: Re: Coniguring 301/302 redirects to track an fspath rename
>>> 
>>>
>>>Oh, and to the second part: the code which sends OPTIONS has no knowledge about
the future operations. There is no way to send <revision/>, or similar. *Very* disconnected,
as in: not even cheesy-hackable.
>>>Cheers,
>>>-g
>>>On Feb 2, 2013 1:49 AM, "Greg Stein" <gstein@gmail.com> wrote:
>>>
>>>That OPTIONS request is generic, and contains no information about the future
operation(s) that will be performed on the connection. It is used for the client to validate
and gather information about the server.
>>>>Cheers,
>>>>-g
>>>>On Feb 2, 2013 1:23 AM, "Joe Schaefer" <joe_schaefer@yahoo.com> wrote:
>>>>
>>>>So I now see the request body (xml payload)
>>>>>in the OPTIONS request, but nothing there nor
>>>>>in the headers tells me about revision numbers.
>>>>>If I can convince you to add a <revision/> block
>>>>>to the OPTIONS request body I can handle the rest
>>>>>from the httpd side.  Obviously this won't help
>>>>>existing clients, but hey it's a gee-whiz feature
>>>>>anyhow.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>________________________________
>>>>>> From: Joe Schaefer <joe_schaefer@yahoo.com>
>>>>>>To: 'Daniel Shahaf' <d.s@daniel.shahaf.name>; Bert Huijben <bert@qqmail.nl>

>>>>>>Cc: "dev@subversion.apache.org" <dev@subversion.apache.org>

>>>>>>Sent: Friday, February 1, 2013 9:26 PM
>>>>>>Subject: Re: Coniguring 301/302 redirects to track an fspath rename
>>>>>> 
>>>>>>
>>>>>>So I have this implemented about as well
>>>>>>as I can with what I know about OPTIONS
>>>>>>requests that svn generates.  It would
>>>>>>help if I knew how svn supplies revision
>>>>>>information in the OPTIONS request headers
>>>>>>so I can pass that along to the codebase
>>>>>>instead of always using the youngest rev.
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>>________________________________
>>>>>>> From: 'Daniel Shahaf' <d.s@daniel.shahaf.name>
>>>>>>>To: Bert Huijben <bert@qqmail.nl> 
>>>>>>>Cc: dev@subversion.apache.org 
>>>>>>>Sent: Friday, February 1, 2013 3:33 PM
>>>>>>>Subject: Re: Coniguring 301/302 redirects to track an fspath rename
>>>>>>> 
>>>>>>>Bert Huijben wrote on Fri, Feb 01, 2013 at 21:28:10 +0100:
>>>>>>>> 
>>>>>>>> 
>>>>>>>> > -----Original Message-----
>>>>>>>> > From: Daniel Shahaf [mailto:d.s@daniel.shahaf.name]
>>>>>>>> > Sent: vrijdag 1 februari 2013 19:11
>>>>>>>> > To: dev@subversion.apache.org
>>>>>>>> > Subject: Coniguring 301/302 redirects to track an fspath
rename
>>>>>>>> > 
>>>>>>>> > Does anyone have an example of how to configure a server
to issue
>>>>>>>> > 301/302 redirects for an fspath that had been renamed?
>>>>>>>> > 
>>>>>>>> > For example we have
>>>>>>>> > 
>>>>>>>> >     <Location /repos/asf>
>>>>>>>> >     SVNPath ...
>>>>>>>> >     </Location>
>>>>>>>> > 
>>>>>>>> > And we'd like to do:
>>>>>>>> > 
>>>>>>>> > 
    # The project was renamed
>>>>>>>> >     Redirect /repos/asf/openejb https://svn.apache.org/repos/asf/tomee
>>>>>>>> > 
>>>>>>>> > but we're hitting various problems:
>>>>>>>> > 
>>>>>>>> > - The redirect kicks in for historical revisions (prior
to the 'svn mv
>>>>>>>> >   ^/openejb ^/tomee' in r1432805) too, such as:
>>>>>>>> >  https://svn.apache.org/repos/asf/openejb?p=1400000
>>>>>>>> > 
>>>>>>>> > - A similar configuration failed to kick in during update/checkout
of
>>>>>>>> >   working copy checked out from (a pre-rename revision
of) ^/openejb:
>>>>>>>> >   the initial request got matched and redirected, but
a subsequent
>>>>>>>> >   request to /repos/asf/!svn/.../openejb failed to
match.
>>>>>>>> > 
>>>>>>>> > Ideally we'd like
 to issue a 301 redirect for requests to /openejb that
>>>>>>>> > concern r1432805 or later, but leave requests concerning
r1432804 or
>>>>>>>> > earlier untouched.
>>>>>>>> > 
>>>>>>>> > (or maybe what we *really* want is a repos-side symlink...
but we're
>>>>>>>> > running 1.7, not 1.9, and we'll appreciate solutions
that work within
>>>>>>>> > that limitation :))
>>>>>>>> 
>>>>>>>> We currently only support redirects above the repository
level.
>>>>>>>> 
>>>>>>>> Redirections inside would be a completely different feature.
>>>>>>>> 
>>>>>>>
>>>>>>>OK... :(
>>>>>>>
>>>>>>>> Why not just leave a top level folder with some readme?
>>>>>>>> 
>>>>>>>
>>>>>>>Every time a podling graduates from the incubator, we do a rename:
>>>>>>>   svn mv ^/incubator/flex ^/flex
>>>>>>>
>>>>>>>If we can return 301 whenever somebody does 'svn up' in a wc of
>>>>>>>^/incubator/flex, we'll save many users (2-4 projects every month)
>>>>>>>having to learn about 'svn relocate'.
>>>>>>>
>>>>>>>> I think you
 should be able to redirect the normal webbrowser GETs though, as
>>>>>>>> I don't think we use those urls from our ra layers. (Or did
we start using
>>>>>>>> them for HEAD requests in HTTPv2?)
>>>>>>>> 
>>>>>>>
>>>>>>>'svn ls $URL@peg' was affected by the redirects I had.
>>>>>>>
>>>>>>>>     Bert
>>>>>>>> 
>>>>>>>
>>>>>>>Thanks,
>>>>>>>
>>>>>>>Daniel
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>
>>>
>>
>>
>
>
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