Re: Bug#148336: apt: problem solver wants to remove frozen-bubble
Jason Gunthorpe <jgg@debian.org> writes:
> On 30 May 2002, Goswin Brederlow wrote:
>
> > Overall installing frozen-bubble is by far the lesser evil. How does
> > the problem solver ever come up with puring frozen-bubble in such a
> > simple case?
>
> This is not a simple case. Collecting lots of packages into one larger
> package is a rare occurance in debian, and somewhat contrary to more
So rare that we have "Replaces:" specially for the case of one package
replacing another. Is the problem solver ignoring that line?
> common ones. Your logic only holds because you have attached special
> meaning to frozen-bubble, it is more common to actually want what apt
> does for the cases that look exactly like this, but aren't.
Like?
That one package is replaced by another or is merged into another
shouldn't be that uncommon. Splitting a package the same.
My point of view is that the problem solver should never remove a
package that nothing depends on. Those are, unless someone forgot to
purge outdated packages, allway programms or data the user
needs. Anything something depends on is most likely just a library or
data installed to fullfill a dependency. That alone would give
frozen-bubble priority over frozen-bubble-lib.
Secondly the "Replaces" line shows that frozen-bubble-lib can be
removed without harm when updating frozen-bubble. Thats the meaning of
replaces, isn't it?
Both arguments say to remove frozen-bubble-lib and update
frozen-bubble.
Do you have any case where this reasoning fails?
MfG
Goswin
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