Results of the freedesktop summit

Kevin Krammer krammer at
Tue Apr 16 19:12:31 BST 2013

On Tuesday, 2013-04-16, David Faure wrote:

> 4) Defined standard for .desktop file cache
> This is something that I've been wanting for quite some time already:
> replacing the ksycoca cache with something that is updated when .desktop
> files are installed, without the need for directory watching or slow
> kbuildsycoca on login. Much like update-mime-database works. The existing
> tool update-desktop- database will be updated to also create this binary
> on-disk cache, and should be run by package post-installs (but we'll also
> detect the case where the cache wasn't updated, by looking at directories
> mtime, and we'll update it on- demand; so, unlike update-mime-database,
> this won't be strictly required, just a performance improvement).
> We designed the format of the binary cache so that it's easy to use without
> memory allocations (just mmap), exactly like the shared-mime-info cache.
> Status: Ryan is working on adding the cache generation to update-desktop-
> database, and on an implementation of the use of the cache. I'll look into
> either using the latter (he's using BSD license to make that impossible),
> or implementing that with Qt classes myself (as I did for the mime spec).

Did you mean "using a BSD license to make that possible" or is there a new 
requirement that BSD licensed code is a no-go?

Kevin Krammer, KDE developer, xdg-utils developer
KDE user support, developer mentoring
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