From owner-freebsd-hackers@FreeBSD.ORG Sun Feb 23 19:10:59 2014 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 1892E569; Sun, 23 Feb 2014 19:10:59 +0000 (UTC) Received: from smtp.digiware.nl (smtp.digiware.nl [31.223.170.169]) (using TLSv1 with cipher ADH-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id C34261B7F; Sun, 23 Feb 2014 19:10:58 +0000 (UTC) Received: from rack1.digiware.nl (unknown [127.0.0.1]) by smtp.digiware.nl (Postfix) with ESMTP id 356D1153AA6; Sun, 23 Feb 2014 20:10:57 +0100 (CET) X-Virus-Scanned: amavisd-new at digiware.nl Received: from smtp.digiware.nl ([127.0.0.1]) by rack1.digiware.nl (rack1.digiware.nl [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id mnA4PjW_M7eu; Sun, 23 Feb 2014 20:10:55 +0100 (CET) Received: from [IPv6:2001:4cb8:3:1:8033:fb68:f361:a8fd] (unknown [IPv6:2001:4cb8:3:1:8033:fb68:f361:a8fd]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by smtp.digiware.nl (Postfix) with ESMTPSA id 20B051534EF; Sun, 23 Feb 2014 20:10:55 +0100 (CET) Message-ID: <530A47BD.6040704@digiware.nl> Date: Sun, 23 Feb 2014 20:10:53 +0100 From: Willem Jan Withagen User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0 MIME-Version: 1.0 To: gljennjohn@gmail.com, Daniel Eischen Subject: Re: Thoughts on Multi-Symlink Concept References: <530049a1.XXZ1PjZFgRyCu9X6%perryh@pluto.rain.com> <53092D83.6050603@digiware.nl> <20140223173042.074d3eb0@ernst.home> In-Reply-To: <20140223173042.074d3eb0@ernst.home> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-filesystems@freebsd.org, freebsd-hackers@freebsd.org, jordan.hubbard@gmail.com, Perry Hutchison X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 23 Feb 2014 19:10:59 -0000 On 23-2-2014 17:30, Gary Jennejohn wrote: > On Sun, 23 Feb 2014 10:18:31 -0500 (EST) > Daniel Eischen wrote: > >> On Sun, 23 Feb 2014, Willem Jan Withagen wrote: >> >>> On 16-2-2014 6:16, Perry Hutchison wrote: >>>> Jordan Hubbard wrote: >>>> >>>>> Even variant symlinks (/bin -> /${ARCH}/bin), which can expand >>>>> differently depending on the user context, have clearly >>>>> understandable semantics - you know that the symlink is going >>>>> to expand to exactly one file no matter what ARCH is set to. >>>> >>>> s/file/pathname/ >>>> >>>> Depending on what ARCH is set to, the expanision may or may not >>>> point to any actual file (or directory, or ...) >>> >>> Yes, please can we get these .... >>> >>> Apollo Domain systems had those, and they were great. >>> Set SYSTYPE to BSD4 and get the BSD tree and all that came with it, or >>> SYSV to get the other stuff. >>> >>> Would indeed work great for things like /bin or even >>> /usr/local/etc -> /${HOST}/usr/local/etc >> >> This topic comes up every couple of years. I recall >> Domain OS fondly - it was my first UNIX-like OS. I would >> really like variant symlinks, but I predict in another >> couple of years we'll be having the same conversation :-) >> > > Hear, hear! > > When I saw the first post I immediately thought "is it 1994 again?" > > Well, maybe the first discussion wasn't in 1994, but it was quite > some time ago. Should be around there when I took it up for the first time. Last dates on the code are from 1998, but I'm shure it did not work at that moment. It comes around in a regular cycle about every 7 years. :) --WjW