[maemo-developers] [maemo-users] 'Locking down' software installation

From: Marius Vollmer marius.vollmer at nokia.com
Date: Fri Feb 16 13:39:25 EET 2007
"ext Levi Bard" <taktaktaktaktaktaktaktaktaktak at gmail.com> writes:

> Semi-related: how about an "Upgrade All" button on the "Check for
> Updates" page?

In red-pill mode, you get to see the "magic:sys" package.  Updating it
does some kind of "Update All".

>> Not exactly: we do not only want to control which individual packages
>> you can install, but also which combinations.  Say there is a new
>> version of cairo, but we figure out that we also need to upgrade the
>> internet radio applet since it had a bug that--by chance--wasn't
>> triggered by the old version of cairo.  So we want to only support the
>> new cairo together with the new radio applet.
>> With a version locked meta package, we can make sure that the user
>> gets the right combinations of packages.
> Wouldn't you just use standard dependencies for this?  Make the new
> radio applet depend on the new cairo?

That would really help since you can still get the new cairo without
the new radio applet.  Even if you lock cairo and the radio applet
together via their own dependencies, you would get the effect of the
meta package, but in more messy and non-scalable way.  If you want to
lock them together, doing it with the meta package should be cleaner.

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