[dev] Question about Horde_Cache and chora

[Jason Rust]

I'm trying to fix a bug in the svn implementation of chora.  A couple of
times there is this line in VC/svn.php:
$psOb = unserialize($cache->getData($cacheId, "serialize(SVNLib_Patchset::_getPatchsetObject('$filename', '" .  $rep-sourceroot() . "'))", time() - @filemtime($filename . ',v')));

The problem is that $cache->getData() requires the third argument to be
the lifetime of the file being pulled from cache.  However, there is no
way with svn to access the filemtime of the file because everything is
stored in a berkley DB.  The file can only be accessed using the svn:///
or file:/// schemas.  So, is the solution to just get rid of caching in
these cases or is there some other way to get the lifetime?
-Jason