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Re: Update on my update problem with gnome system.





On Tue, May 29, 2018 at 3:39 PM Brian <ad44@xxxxxxxxxxxxxxx> wrote:
On Tue 29 May 2018 at 21:57:31 +0300, Abdullah Ramazanoğlu wrote:

> On Tue, 29 May 2018 13:18:16 -0500 David Wright said:
> > On Tue 29 May 2018 at 18:38:40 (+0300), Abdullah Ramazanoğlu wrote:
> > > On Tue, 29 May 2018 09:14:12 -0400 Greg Wooledge said:
> > > > On Sat, May 26, 2018 at 09:31:14PM +0300, Abdullah Ramazanoğlu wrote: 
>
> > --✁--------
> > > > > I never use apt, so I am relying on the man page. 
> > --✃--------
> >
> > (That got snipped.)
> >
> > > > That's incorrect.  One of the differences between apt and apt-get is
> > > > that apt WILL install new packages when doing "apt upgrade" (but it
> > > > will not remove existing packages).
> > > >
> > > > Another difference is that apt will remove all of the .deb files from
> > > > /var/cache/apt/archives that were downloaded for the CURRENT apt command
> > > > session (but will not remove any that were already there).  (This
> > > > behavior can be changed in a config file.) 
> > >
> > > Hmm yes, apt upgrade do install new packages. I didn't look at the man page
> > > for apt and assumed that -at least- the same keywords would work the same
> > > in both apt and apt-get. I was wrong. 
> >
> > Mmm.
>
> I think I owe an explanation regarding whether I referred to the man page or
> not. :)
>
> For different operations and keywords like full-upgrade vs. dist-upgrade I did
> refer to the man page, but it didn't occur to me that the exact same keyword
> (upgrade) would behave different in apt, so I didn't cross check behavior of
> "upgrade" in respective man pages. I simply assumed apt upgrade would behave
> ditto apt-get upgrade.
>
> This is how I both do and don't look up at the man pages at the same time.

If a package is upgraded, surely a user would want any new packages
to be installed if they are required to satisfy dependencies. apt's
designed behaviour looks more sensible than apt-get's.

Not necessarily. Sometimes the dependencies get out of hand, like when a big project adopts a small utility and then decides that the entire project is a dependency for the tiny utility.  It doesn't happen often, but it has happened to me. I like that apt-get upgrade updates everything else. If I decide I can stomach the other packages, I can always do a apt-get dist-upgrade and install them.

--John