Gentoo Archives: gentoo-dev

From: "Michał Górny" <mgorny@g.o>
To: gentoo-dev@l.g.o
Cc: dotnet@g.o, Fabian Groffen <grobian@g.o>, nicolasbock@g.o, swegener@g.o, monsieurp@g.o, zlogene@g.o, x11@g.o
Subject: Re: [gentoo-dev] Inconsistent use of || preferences for www-client/elinks, links, lynx, w3m, and w3mmee
Date: Mon, 10 Feb 2020 07:20:26
Message-Id: 2aada49cfb3fb19cb4cb4acdd01f3b2db7c92e1b.camel@gentoo.org
In Reply to: Re: [gentoo-dev] Inconsistent use of || preferences for www-client/elinks, links, lynx, w3m, and w3mmee by Zac Medico
1 On Sun, 2020-02-09 at 22:51 -0800, Zac Medico wrote:
2 > On 2/9/20 10:44 PM, Michał Górny wrote:
3 > > On Sun, 2020-02-09 at 22:30 -0800, Zac Medico wrote:
4 > > > Hi all (especially package owners in CC),
5 > > >
6 > > > In various packages we have inconsistent use of || preferences for
7 > > > www-client/elinks, links, lynx, w3m, and w3mmee. This means that the
8 > > > default preference depends on the combination of packages that one has
9 > > > installed and the order that one has installed them, leading to
10 > > > unpredictable results.
11 > > >
12 > > > Here is a list of relevant packages and their dependencies:
13 > > >
14 > > > app-text/docbook-sgml-utils: || ( www-client/lynx www-client/links
15 > > > www-client/elinks virtual/w3m )
16 > > > app-text/sgmltools-lite: || ( www-client/w3m www-client/lynx )
17 > > > app-text/xmlto: || ( virtual/w3m www-client/lynx www-client/elinks )
18 > > > dev-lang/mono: || ( www-client/links www-client/lynx )
19 > > > mail-client/mutt: || ( www-client/lynx www-client/w3m www-client/elinks )
20 > > > mail-client/neomutt: || ( www-client/lynx www-client/w3m www-client/elinks )
21 > > > net-irc/irssi: || ( www-client/lynx www-client/elinks )
22 > > > sys-fs/gt5: || ( www-client/links www-client/elinks www-client/lynx )
23 > > > x11-base/xorg-server: || ( www-client/links www-client/lynx www-client/w3m )
24 > > >
25 > > > How about if we create some more virtuals to cover all of the relevant
26 > > > cases?
27 > >
28 > > I don't think that's a valid case for a virtual since those tools do not
29 > > provide a consistent API for other packages. It just happens that some
30 > > packages explicitly support multiple choices, and this is exactly what
31 > > > > indicates.
32 > >
33 > > The virtuals would really be arbitrary here. Developers would
34 > > repeatedly fail to use them because they wouldn't naturally expect
35 > > the virtual to exist.
36 >
37 > In that case, I suppose we'll have to apply consistency manually? Can we
38 > all agree on a global order of preference for the relevant packages?
39
40 That would be my idea, yes. I'd suggest going for the 'lightest'
41 package first. Would you be able to figure out some kind of measure
42 on how heavy each of those packages is? I suppose we need to account
43 for build time and dependencies.
44
45 --
46 Best regards,
47 Michał Górny

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