question on "smart upgrade --dump"

[linux_learner]

To expound on this further, install is to install a program or package
that is not currently installed. To upgrade, is to take a package that
currently exists, and upgrade it to the current version.

On 1/26/07, Gustavo Niemeyer <gustavo at niemeyer.net> wrote:
> > Hmmmm.... what I still do not understand is the difference between smart
> > install and smart upgrade.
>
> One will find the best possible option for installing a single
> package. The other will try to install several packages you haven't
> asked for explicitly, trying to upgrade your system, considering
> your settings.
>
> > When smart considers different settings, this is only when I do a smart
> > upgrade and not a smart install?
>
> Yes, it considers, but these commands do different things.
>
> > As I tried to say: when I do a "smart upgrade --dump", I get the list of
> > packages that need to be upgraded. When I take the output list and put it
> > after a "smart install", only those packages are installed, without the
> > need tzo downgrade or remove any other package. Maybe there's an additional
> > package to be installed because of a new dependency, but that's all.
>
> As I said, this list is incorrect. Please ignore it for now.
>
> > By seeing that "smart install [package list]" does its job fine, I think
> > it's not an error of the --dump option, but of the calculation for "smart
> > upgrade" ;-)
>
> No, it's not. The list of packages is incomplete. If you have a package
> A-1.0 with priority 1000, and a package A-2.0 with priority 0 installed,
> Smart *will* try to install A-1.0 on an upgrade, and installing this
> package may mean removing others.
>
> > Yes, I understand this. But what is the difference between the candidate
> > state computed with "smart install" and "smart upgrade", when I tell smart
>
> One tries to install the package, the other tries to upgrade the system.
>
> > to install exactly those packages that are shown with "smart upgrade
> > --dump"?
>
> As I said, this list is incorrect. Please ignore it for now.
>
> You don't have to use --dump to see that behavior. Ask Smart to
> upgade your system. Pick a single package out of the "Upgrading" list,
> and try to install it. There's a chance that no other packages will
> be introduced in the transaction. One might then say "See? I was able
> to pick a single package and not do anything else!".  So what?
>
> > And, best of all: I use smart in the most up to date version on my
> > offive PC (that's where I am now) running SUSE 10.0 x86_64, on my home
> > PC (SUSE 10.1) and on my laptop (openSUSE 10.2). I notice the
> > different behaviour of "smart upgrade" and "smart install" only on my
> > office PC...
>
> I really miss what mean here. "upgrade" and "install" are radically
> different commands. To get the same behavior on "install" you must
> pick *every* package being suggested for installation in the upgrade
> command.
>
> --
> Gustavo Niemeyer
> http://niemeyer.net
>