From: Tom Wijsman <TomWij@gentoo.org>
To: ulm@gentoo.org
Cc: gentoo-dev@lists.gentoo.org
Subject: Re: [gentoo-dev] Dependencies default to accept any slot value acceptable (:*), can we default to :0 instead?
Date: Sun, 8 Dec 2013 21:21:59 +0100 [thread overview]
Message-ID: <20131208212159.0a49761f@TOMWIJ-GENTOO> (raw)
In-Reply-To: <21156.53244.886349.924357@a1i15.kph.uni-mainz.de>
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On Sun, 8 Dec 2013 21:01:00 +0100
Ulrich Mueller <ulm@gentoo.org> wrote:
> >>>>> On Sun, 8 Dec 2013, Rich Freeman wrote:
>
> > Sure it does - it defaults to :* when :* was never specified. I
> > don't see how defaulting to :0= is a "policy" any more than :* is.
>
> Defaulting to :* is just the long term behaviour from EAPIs 0 to 4
> when no slot operator was specified.
Which section in the PMS is this specified?
> This is consistent with what we haved for versioned dependencies.
> When you don't specify a version, then all versions are good.
Good idea.
> Similarly, when you don't specify a slot, then all slots are good.
Not so good idea; because if all slot would be good by default, then
why have slots in the first place? Are we using SLOT right at all?
> Our rules of slot/subslot dependencies and slot operators are just
> complicated enough, so I really would dislike complicating them even
> more by having an EAPI dependent default.
Is it complicated?
1. Dev changes to EAPI 6 on a revision or version bump.
2. Dev tests the ebuild.
2.a. It works; the ebuild defaults to depend on :0=.
2.b. It breaks, dev checks dependency; the ebuild now depends on :2=.
3. Dev commits.
The developer needs to be aware of new PMS versions; thus, given that
news is brought out about this the developer is aware of the change.
> In addition, from a package
> manager view there is nothing special at all about slot 0, so there's
> no reason to prefer it over other values.
In reality, we use it in a special way; it's time to make the resources
that we use reflect that and stop relying on unspecified behavior.
(Or change reality to match our resources; though, doing thousand of
commits compared to changing our resources might not be the way to go.)
--
With kind regards,
Tom Wijsman (TomWij)
Gentoo Developer
E-mail address : TomWij@gentoo.org
GPG Public Key : 6D34E57D
GPG Fingerprint : C165 AF18 AB4C 400B C3D2 ABF0 95B2 1FCD 6D34 E57D
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next prev parent reply other threads:[~2013-12-08 20:23 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-08 16:56 [gentoo-dev] Dependencies default to accept any slot value acceptable (:*), can we default to :0 instead? Tom Wijsman
2013-12-08 17:16 ` Michał Górny
2013-12-08 17:19 ` Andreas K. Huettel
2013-12-08 17:26 ` Pacho Ramos
2013-12-08 17:46 ` Tom Wijsman
2013-12-08 18:56 ` Rich Freeman
2013-12-08 19:14 ` Ulrich Mueller
2013-12-08 19:39 ` Rich Freeman
2013-12-08 19:48 ` Ciaran McCreesh
2013-12-08 20:01 ` Ulrich Mueller
2013-12-08 20:17 ` Rich Freeman
2013-12-09 2:37 ` heroxbd
2013-12-09 2:55 ` Rich Freeman
2013-12-09 3:19 ` heroxbd
2013-12-08 20:21 ` Tom Wijsman [this message]
2013-12-08 20:25 ` Ciaran McCreesh
2013-12-10 21:06 ` Ian Stakenvicius
2013-12-10 23:35 ` Tom Wijsman
2013-12-08 20:04 ` Tom Wijsman
2013-12-08 20:21 ` Ulrich Mueller
2013-12-08 20:26 ` Ciaran McCreesh
2013-12-08 20:31 ` Ulrich Mueller
2013-12-08 21:54 ` Michał Górny
2013-12-08 22:02 ` Ciaran McCreesh
2013-12-08 20:28 ` Tom Wijsman
2013-12-08 20:30 ` Tom Wijsman
-- strict thread matches above, loose matches on Subject: below --
2013-12-08 16:54 Tom Wijsman
2013-12-08 23:57 ` Patrick Lauer
2013-12-09 0:12 ` Tom Wijsman
2013-12-09 0:21 ` Rich Freeman
2013-12-09 6:52 ` Sergey Popov
2013-12-09 10:55 ` Tom Wijsman
2013-12-09 16:06 ` Rich Freeman
2013-12-09 16:19 ` Ulrich Mueller
2013-12-10 0:31 ` Tom Wijsman
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