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Date:      Tue, 30 Apr 2019 20:56:30 -0700
From:      Cy Schubert <Cy.Schubert@cschubert.com>
To:        Miroslav Lachman <000.fbsd@quip.cz>
Cc:        David Chisnall <theraven@FreeBSD.org>, FreeBSD Stable <freebsd-stable@freebsd.org>, freebsd-ports@freebsd.org, =?UTF-8?Q?Goran_Meki=c4=87?= <meka@tilda.center>, freebsd-hackers@freebsd.org, FreeBSD Current <freebsd-current@freebsd.org>, freebsd-pkgbase@freebsd.org, freebsd-pkg@freebsd.org
Subject:   Re: CFT: FreeBSD Package Base
Message-ID:  <201905010356.x413uUnV068470@slippy.cwsent.com>
In-Reply-To: Message from Miroslav Lachman <000.fbsd@quip.cz> of "Wed, 01 May 2019 00:03:44 +0200." <292eadc6-3662-ec43-1175-53fc252487bd@quip.cz>

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In message <292eadc6-3662-ec43-1175-53fc252487bd@quip.cz>, Miroslav =

Lachman wri
tes:
> David Chisnall wrote on 2019/04/30 10:22:
> > On 29/04/2019 21:12, Joe Maloney wrote:
> >> With CFT version you chose to build, and package individual components =

> >> such as sendmail with a port option.=C2=A0 That does entirely solve th=
e =

> >> problem of being able to reinstall sendmail after the fact without a =

> >> rebuild of the userland (base) port but perhaps base flavors could =

> >> solve that problem assuming flavors could extend beyond python.
> > =

> > This sounds very much like local optimisation. It's now easy to create =
a =

> > custom base image.=C2=A0 Great.=C2=A0 But how do I express dependencies=
 in ports =

> > on a specific base configuration? This is easy if I depend on a specifi=
c =

> > base package, but how does this work in your model?=C2=A0 For example, =
if I =

> > have a package that depends on a library that is an optional part of th=
e =

> > base system, how do I express that pkg needs to either refuse to instal=
l =

> > it, or install a userland pkg that includes that library in place of my =

> > existing version as part of the install process?
> > =

> > More importantly for the container use case, if I want to take a =

> > completely empty jail and do pkg ins nginx (for example), what does the =

> > maintainer of the nginx port need to do to express the minimum set of =

> > the base system that needs to be installed to allow nginx to work?
> > =

> > One of the goals for the pkg base concept was to allow this kind of use =

> > case, easily creating a minimal environment required to run a single =

> > service. With a monolithic base package set, you're going to need some =

> > mechanism other than packages to express the specific base subset =

> > package that you need and I think that you need to justify why this =

> > mechanism is better than using small individual packages.
>
> Will it not be maintainer's nightmare to take care of all the =

> dependencies on the base packages for each port we have in the ports tree?

No more than it is today. Remember, people have been doing this sort of =

thing for decades. If the folks at Red Hat, Oracle (formerly Sun), and =

IBM can do it, I'm sure we can too. The dependency lists will be =

longer. We may require dependency lists that allow the choice of one of =

many prereqs or coreqs.


-- =

Cheers,
Cy Schubert <Cy.Schubert@cschubert.com>
FreeBSD UNIX:  <cy@FreeBSD.org>   Web:  http://www.FreeBSD.org

	The need of the many outweighs the greed of the few.


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