[TSVN] bugtraq feature extension - another approach

Hi,

Just had another idea which would split the work to implement this
feature between issue trackers and TSVN. But I have no idea if it's
possible (well, it definitely _is_ possible, I just don't know how much
work it would be and if someone would be working on it).

So here it goes:
Subversion uses the DAV protocol. And a subversion client can talk to
any standard DAV server as if it were a Subversion repository (at least
the main commands would work). So why not make the issue tracker
implement a small DAV server which serves only an XML file with the open
issues?

- The issue tracker provides a DAV server/Subversion repository with
only one file in it: the XML file with the open issues.
- That XML file would be included in the working copy with svn:externals
- With every update, the XML file would be updated too, so it would
always contain the most recent open issues.
- TSVN would parse that XML file when showing the commit dialog. Without
worrying about authentication, connecting to a server, timeouts, ...
- The issue tracker could intercept the normal authentication Subversion
does with every other Repository to find out the username. Then it could
change the XML file right before the actual update takes place to match
the authenticated user.

So 'all' it takes to do that would be a DAV server or a subversion
repository which serves the XML file to a Subversion client.

I don't think it would be a big problem for an issue tracker to just
provide one XML file for all users - a simple script run after every
change to any issues which re-generates the XML file and commits this to
a repository would be enough. But it might be hard to serve that XML
file 'on-the-fly' customized for the authenticated user.

Stefan

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