From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1N515Q-0001Sl-MA for garchives@archives.gentoo.org; Mon, 02 Nov 2009 17:53:00 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 9670CE0886; Mon, 2 Nov 2009 17:52:59 +0000 (UTC) Received: from mail-ew0-f222.google.com (mail-ew0-f222.google.com [209.85.219.222]) by pigeon.gentoo.org (Postfix) with ESMTP id 5CA47E0886 for ; Mon, 2 Nov 2009 17:52:59 +0000 (UTC) Received: by ewy22 with SMTP id 22so726412ewy.14 for ; Mon, 02 Nov 2009 09:52:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:from:to:subject:date :user-agent:references:in-reply-to:mime-version:content-type :content-transfer-encoding:message-id; bh=dO0lyNVJCHjnx/t/0nWxhTrG6UXv9t9qaXojf8Au4yw=; b=qm7Y9XWARta3llnf4bZQ2WZq5EDtQ8c0EDmlu8k9ub8eXPOonN0fx9OQxtqwZVZftm HGFSFNzQqFCIeAxMM9KlKfakmKUpQPppCYQw0T//ZdH5F6E6AdC6ptaeozch5Steohfz mFg3EM2JVgV3S5qBZOfopRPmJ00mhl6E7FHCU= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:subject:date:user-agent:references:in-reply-to:mime-version :content-type:content-transfer-encoding:message-id; b=WB7D8oPqyl6aN+Rm2v/LQH+Ky8x2Bni3nk4sLeBi1qWSqtNmqGIRUUYouYhA4VRgqb anv00W85CYqQB1tQaAwDaWZ1ZxzSVQEuoWS1P2dSQZAWgR5PpHw383meXxJj0kgjo2qa l+PS5rmNSfUPbUqpjpflvTvwina3neG/whoSc= Received: by 10.216.90.1 with SMTP id d1mr5054094wef.136.1257184378449; Mon, 02 Nov 2009 09:52:58 -0800 (PST) Received: from nazgul.localnet (196-210-153-40-rrdg-esr-2.dynamic.isadsl.co.za [196.210.153.40]) by mx.google.com with ESMTPS id 7sm15766197eyb.8.2009.11.02.09.52.56 (version=TLSv1/SSLv3 cipher=RC4-MD5); Mon, 02 Nov 2009 09:52:57 -0800 (PST) From: Alan McKinnon To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] Re: revdep-rebuild vs. @preserved-rebuild Date: Mon, 2 Nov 2009 19:52:00 +0200 User-Agent: KMail/1.12.2 (Linux/2.6.31-zen5; KDE/4.3.2; x86_64; ; ) References: <4AE36083.5090005@gmail.com> <200911021739.41636.alan.mckinnon@gmail.com> <87skcwsxah.fsf@newsguy.com> In-Reply-To: <87skcwsxah.fsf@newsguy.com> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200911021952.00367.alan.mckinnon@gmail.com> X-Archives-Salt: 8d865fde-450c-48a7-8b57-53649c211187 X-Archives-Hash: 964b435267d10858257b07a1501bca1a On Monday 02 November 2009 18:31:50 Harry Putnam wrote: > Alan McKinnon writes: > > You read the message, run @preserved-rebuild and x now links to the new y > > library. When everything in @preserved-rebuild has been rebuilt, portage > > knows that now nothing links to the old y library, and removes it. > > Alan, I haven't followed the introduction of @preserved-rebuild, but > you comments make sound like something that happens as emerge is > running. > > Or is it use like its predecessor and ran after a large merge or update? It all happens invisibly as packages are merged with no user interaction. I imagine portage runs ldd or similar on the packages just before installing them to the live filesystem - it's quick and I have never noticed any slowdown. -- alan dot mckinnon at gmail dot com