On Sun, Jan 13, 2008, Peter Eisentraut wrote:
> It seems to me that, in principle, if some third package or user environment
> wants something to be done for its own functional benefit, it should be its own
> responsibility to arrange that, instead of bothering thousands of other
> packages with it.

Theoretically, this is supposed to only affect all packages shipping
icons in particular directories; for example, you have to coordinate
addition of cache handling snippets for all packages shipping files
below /usr/share/icons/hicolor otherwise you'll be missing some icons
when you install a package without the snippets.

> On a technical level, the best approach would appear to be
> implementing some sort of global dpkg postinst and postrm hooks.

Yes, "triggers"; I think these were not available at the time of the
first implementations; I did object to the current implementation for
many reasons -- but not to use triggers -- but as I didn't produce any
alternative code, the proposed implementation was merged and is now
what we rely on. I'd very much like if someone would provide a simpler
implementation, which I imagine could be based on triggers.

--
Loïc Minier


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Le dimanche 13 janvier 2008 à 22:02 +0100, Loïc Minier a écrit :
> > On a technical level, the best approach would appear to be
> > implementing some sort of global dpkg postinst and postrm hooks.
>
> Yes, "triggers"; I think these were not available at the time of the
> first implementations; I did object to the current implementation for
> many reasons -- but not to use triggers -- but as I didn't produce any
> alternative code, the proposed implementation was merged and is now
> what we rely on. I'd very much like if someone would provide a simpler
> implementation, which I imagine could be based on triggers.

As soon as triggers are available, the current implementation of both
update-desktop-database and update-icon-caches (as well as scrollkeeper)
can be trivially made to use them.

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