Date: Fri, 8 Apr 2016 16:23:26 +0100 From: Matthew Seaman <matthew@FreeBSD.org> To: freebsd-ports@freebsd.org Subject: Re: Deriving base port/package names Message-ID: <5707CCEE.6040301@FreeBSD.org> In-Reply-To: <20160408144957.26ad363f@gumby.homeunix.com> References: <51300.1460083670@server1.tristatelogic.com> <5707b24b.9143620a.1a679.ffffbb00SMTPIN_ADDED_MISSING@mx.google.com> <20160408144957.26ad363f@gumby.homeunix.com>
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From: Matthew Seaman <matthew@FreeBSD.org>
To: freebsd-ports@freebsd.org
Message-ID: <5707CCEE.6040301@FreeBSD.org>
Subject: Re: Deriving base port/package names
References: <51300.1460083670@server1.tristatelogic.com>
<5707b24b.9143620a.1a679.ffffbb00SMTPIN_ADDED_MISSING@mx.google.com>
<20160408144957.26ad363f@gumby.homeunix.com>
In-Reply-To: <20160408144957.26ad363f@gumby.homeunix.com>
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On 2016/04/08 15:47, Roger Marquis wrote:
> As in: `pkg rquery -a %n | grep -- '-[0-9]' | fmt`
>=20
> efax-0.9a font-adobe-100dpi font-adobe-75dpi font-adobe-utopia-100dpi=
> font-adobe-utopia-75dpi font-bh-100dpi font-bh-75dpi
> font-bh-lucidatypewriter-100dpi font-bh-lucidatypewriter-75dpi
> font-bitstream-100dpi font-bitstream-75dpi gl-117 gnome-2048
> ja-edict-utf-8 ja-kon2-14dot ja-kon2-16dot ja-rubygem-mail-iso-2022-j=
p
> krb5-112 krb5-113 krb5-114 liblqr-1 libutf-8
> linux-enemyterritory-jaymod-217 linux-enemyterritory-omni-bot-0660
> nvidia-driver-304 nvidia-driver-340 onscripter-1byte p5-Acme-6502
> p5-Business-OnlinePayment-2CheckOut p5-Chemistry-3DBuilder p5-WWW-2ch=
> p5-WWW-Shorten-0rz ppmd-7z qt5-3d quake2-3zb2 stf-6rd-kmod vte3-290
> xhtml-11 xorg-fonts-100dpi xorg-fonts-75dpi
>=20
> Some of us see this as a weakness in the standard. That plus the lack
> of documentation where you'd expect to find it violates the principles
> of least surprise and KIS.
The 'version' part of a full package name can't contain the '-'
character. Put another way, if you're working with full pkgnames
'%n-%v' it's always the last '-' character that separates the name from
the version.
In shell, you can do something like this:
$ pkgname=3D'postgresql92-client-9.2.16'
$ echo ${pkgname%-*}
postgresql92-client
$ echo ${pkgname##*-}
9.2.16
or if you prefer sed(1):
$ echo $pkgname | sed -e 's,-[^-]*$,,'
postgresql92-client
$ echo $pkgname | sed -e 's,^.*-,,'
9.2.16
It's generally assumed that you'ld know if you've got a version part
appended to the name or not, and would be able to code accordingly.
I think a proposal to rename large chunks of the ports tree to eliminate
hyphens and digits would certainly not receive a warm welcome.
Cheers,
Matthew
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