mixin apt and aptitude

[Oliver Grawert]

hi,
Am Montag, dem 09.01.2023 um 18:13 -0500 schrieb Jeffrey Walton:
> On Mon, Jan 9, 2023 at 2:18 AM robert rottermann <robert at redcor.ch>
> wrote:
> > 
> > I once did read, that one should not mix the usage of apt and
> > aptitude to
> > maintain a server.
> > 
> > Is this (still) true?
> 
> One other comment that may be noteworthy... Apt is Debian's official
> package manager. Aptitude is ncurses-based command line front end to
> Apt.
> 

i'm pretty sure it is not a frontend to apt but, in fact to dpkg 

despite using some functions from libapt-pkg to talk to dpkg, it uses
its own databases and resolution mechanisms ... 

as keith said above, aptitude is in "maintenance mode" while apt gets
constantly developed and sees regular changes. eventually this will
mean that aptitude will get out of sync with apt features and behavior
(unless someone picks up development again to get them back in sync),
which is why you should use it with a lot of care if you use them both
alongside ... 

the recent changes to make apt default to phased updates to protect
users from breakage are a good example here. 

while apt holds back potentially broken packages until the phasing is
fully done (or the packages are pulled back after a detected breakage),
aptitudes safe-uograde will completely circumvent that new behavior and
will just install the intentionally held back packages (packages that
would normally only be fully rolled out to you after a portion of users
got them first and did not report any problemns)

ciao
	oli
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