dav probs

[Ben Collins-Sussman <su...@collab.net>]

So here's a problem I'm seeing with ra_dav.  Hopefully gstein can hand
me a clue about how to fix it.

 * The repository-diff editor is trying to get the svn_node_kind
   of a particular (revision, path) pair in the repository.  It calls
   RA->check_path() to do this.  This function takes the (rev, path)
   pair as input.

    * ra_dav's implementation of this function is straightforward:  it
      tacks the path onto the ra-session's url, to get a new url.
      then it passes the new url and revnum to get_baseline_info()

       * get_baseline_info is being dumb.  the very first thing it
         does is call get_props_resource(), which calls get_props().
         The "dumbness" here is that the revnum is being completely
         ignored;  the path may not exist at all in the head!

And in fact, that's exactly what I'm running into.  get_baseline_info
is currently unable to get any information about a path unless it
exists in HEAD already.  I get an instant 404 error.

My memory tells me that this topic has come up before.  Gstein, is
there a Right Way for me to fix get_baseline_info?

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Re: dav probs

[Greg Stein <gs...@lyra.org>]

On Thu, Mar 28, 2002 at 02:54:03PM -0600, Ben Collins-Sussman wrote:
>...
>     * ra_dav's implementation of this function is straightforward:  it
>       tacks the path onto the ra-session's url, to get a new url.
>       then it passes the new url and revnum to get_baseline_info()
> 
>        * get_baseline_info is being dumb.  the very first thing it
>          does is call get_props_resource(), which calls get_props().
>          The "dumbness" here is that the revnum is being completely
>          ignored;  the path may not exist at all in the head!

The revnum is initially ignored. It is a multistep process, and the revnum
comes into play later.

>...
> My memory tells me that this topic has come up before.  Gstein, is
> there a Right Way for me to fix get_baseline_info?

See issue 581. You want to walk up the tree until you find something that
hasn't been deleted.

Cheers,
-g

-- 
Greg Stein, http://www.lyra.org/

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