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diff --git a/tickets/20bdae3913de49d4afd544d36996ce4b/Maildir/new/1456001176.M722325P8737Q17.hrun b/tickets/20bdae3913de49d4afd544d36996ce4b/Maildir/new/1456001176.M722325P8737Q17.hrun new file mode 100644 index 0000000..2b6f5d2 --- /dev/null +++ b/tickets/20bdae3913de49d4afd544d36996ce4b/Maildir/new/1456001176.M722325P8737Q17.hrun @@ -0,0 +1,157 @@ +Return-Path: <obnam-dev-bounces@obnam.org> +X-Original-To: distix@pieni.net +Delivered-To: distix@pieni.net +Received: from bagpuss.pepperfish.net (bagpuss.pepperfish.net [148.251.8.16]) + (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) + (No client certificate requested) + by pieni.net (Postfix) with ESMTPS id 578BD2B99B + for <distix@pieni.net>; Tue, 22 Dec 2015 15:01:16 +0100 (CET) +Received: from platypus.pepperfish.net (unknown [10.112.100.20]) + by bagpuss.pepperfish.net (Postfix) with ESMTP id A38BEB8E; + Tue, 22 Dec 2015 14:01:15 +0000 (GMT) +Received: from ip6-localhost ([::1] helo=platypus.pepperfish.net) + by platypus.pepperfish.net with esmtp (Exim 4.80 #2 (Debian)) + id 1aBNV5-0000gV-HL; Tue, 22 Dec 2015 14:01:15 +0000 +Received: from inmail0 ([10.112.100.10] helo=mx0.pepperfish.net) + by platypus.pepperfish.net with esmtp (Exim 4.80 #2 (Debian)) + id 1aBNV4-0000gH-Ld + for <obnam-dev@obnam.org>; Tue, 22 Dec 2015 14:01:14 +0000 +Received: from mail-ig0-f173.google.com ([209.85.213.173]) + by mx0.pepperfish.net with esmtps (TLS1.2:RSA_ARCFOUR_SHA1:128) + (Exim 4.80) (envelope-from <mathstuf@gmail.com>) id 1aBNUv-0000fe-H7 + for obnam-dev@obnam.org; Tue, 22 Dec 2015 14:01:14 +0000 +Received: by mail-ig0-f173.google.com with SMTP id m11so50031060igk.1 + for <obnam-dev@obnam.org>; Tue, 22 Dec 2015 06:01:00 -0800 (PST) +DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; + h=date:from:to:cc:subject:message-id:reply-to:references:mime-version + :content-type:content-disposition:in-reply-to:user-agent; + bh=miBj3gG1+cGdOfvPqhQ7viKQU49ZtxTsky/Y1FK9LdY=; + b=v2z6DWl4jRcYNJOYPk5xS5SUu9h98MW0R83LZE/ysd78+Vx0JbO3fj7xu6DXrFc8xY + cFmAGwz62FlM/GSf8lCxIRAum9ogBsc3Okuo+bMiJCNGLdhcevPhVUeF+zOVfmG3y5We + 2zUEU2+Zze/n1l+WCI4sxLOhKme2Ks9WsfgA3+RN5ji+A/C5qnNn/ecqkZQyb8lF45jq + YP2IiRtxuiBMLcWk3FaPwEK8MbqZIkP5pVtdbONc3EDewLy4rNCozpM3vr9SHYxGyhmP + yYU7mItsy1PJ+3KULLZn3ZHAfBhcjhy2w83DOBbcLickfFNAcR6J3sNzm7NGKxAbjFja + 1nkg== +X-Received: by 10.50.12.36 with SMTP id v4mr13616478igb.6.1450792853200; + Tue, 22 Dec 2015 06:00:53 -0800 (PST) +Received: from megas (tripoint.kitware.com. [66.194.253.20]) + by smtp.gmail.com with ESMTPSA id 129sm12778045ioo.23.2015.12.22.06.00.51 + (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); + Tue, 22 Dec 2015 06:00:52 -0800 (PST) +Date: Tue, 22 Dec 2015 09:00:51 -0500 +From: Ben Boeckel <mathstuf@gmail.com> +To: Lars Wirzenius <liw@liw.fi> +Message-ID: <20151222140051.GB11335@megas.khq.kitware.com> +References: <20150918050247.GA8128@bronto-burt.dev.benboeckel.net> + <1446094196-14166-1-git-send-email-mathstuf@gmail.com> + <20151029045526.GA13909@bronto-burt.dev.benboeckel.net> + <20151220141633.GE2511@exolobe1.liw.fi> + <20151221152224.GA21839@megas.khq.kitware.com> + <20151221153318.GR2511@exolobe1.liw.fi> + <20151221161706.GD21839@megas.khq.kitware.com> + <20151221165932.GS2511@exolobe1.liw.fi> +MIME-Version: 1.0 +Content-Type: text/plain; charset=utf-8 +Content-Disposition: inline +In-Reply-To: <20151221165932.GS2511@exolobe1.liw.fi> +User-Agent: Mutt/1.5.24 (2015-08-30) +X-Spam-Score: -2.0 +X-Spam-Score-int: -19 +X-Spam-Bar: -- +X-Scanned-By: pepperfish.net, Tue, 22 Dec 2015 14:01:14 +0000 +X-Spam-Report: Content analysis details: (-2.0 points) + pts rule name description + ---- ---------------------- -------------------------------------------------- + -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low + trust [209.85.213.173 listed in list.dnswl.org] + -1.0 PPF_USER_AGENT_MUTT User-Agent: contains Mutt (Mutt isn't a spam + tool) -0.5 PPF_USER_AGENT User-Agent: exists + 1.0 PPF_FROM_CONTAINS_MAIL The From header contains 'mail' + 1.2 FREEMAIL_FROM Sender email is commonly abused enduser mail provider + (mathstuf[at]gmail.com) + -0.0 SPF_PASS SPF: sender matches SPF record + -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% + [score: 0.0000] + -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's + domain + 0.1 DKIM_SIGNED Message has a DKIM or DK signature, + not necessarily valid + -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature +X-ACL-Warn: message may be spam +X-Scan-Signature: 439c9db7d537d78073733ee67505cfd7 +Cc: obnam-dev@obnam.org +Subject: Re: [PATCH] backup: take an inhibitor lock if possible +X-BeenThere: obnam-dev@obnam.org +X-Mailman-Version: 2.1.5 +Precedence: list +Reply-To: mathstuf@gmail.com +List-Id: Obnam development discussions <obnam-dev-obnam.org> +List-Unsubscribe: <http://listmaster.pepperfish.net/cgi-bin/mailman/listinfo/obnam-dev-obnam.org>, + <mailto:obnam-dev-request@obnam.org?subject=unsubscribe> +List-Archive: <http://listmaster.pepperfish.net/pipermail/obnam-dev-obnam.org> +List-Post: <mailto:obnam-dev@obnam.org> +List-Help: <mailto:obnam-dev-request@obnam.org?subject=help> +List-Subscribe: <http://listmaster.pepperfish.net/cgi-bin/mailman/listinfo/obnam-dev-obnam.org>, + <mailto:obnam-dev-request@obnam.org?subject=subscribe> +Sender: obnam-dev-bounces@obnam.org +Errors-To: obnam-dev-bounces@obnam.org + +On Mon, Dec 21, 2015 at 17:59:32 +0100, Lars Wirzenius wrote: +> On Mon, Dec 21, 2015 at 11:17:06AM -0500, Ben Boeckel wrote: +> > On Mon, Dec 21, 2015 at 16:33:18 +0100, Lars Wirzenius wrote: +> > > That just indicates to me that you should write a simpler program, +> > > perhaps as a wrapper around systemd-inhibit. :) +> > +> > Would this at least be acceptable to include in obnam? obnam-inhibit? It +> > seems silly to have everyone rewrite this thing when it is such an +> > important behavior. +> +> I'd rather it was a separate, generic utility than something named so +> people think it's related to Obnam, sorry. I'd be happy to add +> pointers to it to Obnam documentation, and have the Obnam Debian +> packaging suggest it. + +Wait, so let me get this straight: + + - adding it to obnam is too specific; + - using systemd-inhibit is too generic (needs enough parameters that + manually typing it is annoying); + - so making something *like* obnam-inhibit is the right way; + - but instead of having obnam provide such a thing, everyone has to + make their own? + +Making a full-blown repo for a single script with the content of: + + #!/bin/sh + exec systemd-inhibit --who=obnam --why="running a backup" obnam "$@" + +seems a little absurd to me. + +> There are other forms of composability than pipes. For example, the +> flock(1) utility, which creates a lock file while it runs a command, +> and automatically releases it even if it crashes. That's the same +> pattern as I suggest for the inhibition utility. +> +> That said, I expect Obnam to start reading from stdin some day. And +> produce output to stdout. Both for using in pipelines. Examples: +> +> * Have Obnam read the list of files to back up from stdin, fed by, +> say, find(1). +> +> * Have "obnam export-repository" produce a representation of a backup +> repository that is independent of the backup storage format, and +> "obnam import-repository" read such a representation to create a new +> repository. This would be quite useful for repository conversion. + +Well, this one isn't "backup", and for the first one, I'd want the +inhibitor lock as well. And the pipe-in-find is probably better as +--files-from=- (plus the associated -0 flag for using null-delimited +filenames) since a flag to even look at stdin would probably be needed +*anyways*. + +--Ben + +_______________________________________________ +obnam-dev mailing list +obnam-dev@obnam.org +http://listmaster.pepperfish.net/cgi-bin/mailman/listinfo/obnam-dev-obnam.org |