From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp1 ([2001:41d0:8:6d80::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms11 with LMTPS id eE4wGPayWGA7EAAA0tVLHw (envelope-from ) for ; Mon, 22 Mar 2021 15:08:38 +0000 Received: from aspmx1.migadu.com ([2001:41d0:8:6d80::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp1 with LMTPS id BafpE/ayWGDMawAAbx9fmQ (envelope-from ) for ; Mon, 22 Mar 2021 15:08:38 +0000 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id E1F7C1C308 for ; Mon, 22 Mar 2021 16:08:37 +0100 (CET) Received: from localhost ([::1]:51468 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lOMAX-0003CB-3L for larch@yhetil.org; Mon, 22 Mar 2021 11:08:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47490) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lOLqS-0007Z9-3f for guix-devel@gnu.org; Mon, 22 Mar 2021 10:47:52 -0400 Received: from mx1.riseup.net ([198.252.153.129]:40828) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lOLqO-00063N-Uz for guix-devel@gnu.org; Mon, 22 Mar 2021 10:47:51 -0400 Received: from fews1.riseup.net (fews1-pn.riseup.net [10.0.1.83]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (Client CN "*.riseup.net", Issuer "Sectigo RSA Domain Validation Secure Server CA" (not verified)) by mx1.riseup.net (Postfix) with ESMTPS id 4F3y5n3yxxzDq7y for ; Mon, 22 Mar 2021 07:47:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=riseup.net; s=squak; t=1616424461; bh=OjeeEofQz6uUxvSPxr3Oe9Lvwo3RNOBHg/W61gLjgM4=; h=Date:From:To:Subject:In-Reply-To:References:From; b=Pg5pRFgNxDjadw12Dm22LU3LdFfS9bbpT1NgjgkTJ75dcmrXIkP+72c7DXgN33cyJ U2Kjv5R28dhSRnIvt/BYSfwJnwpSlzLjM0e06s88tFW6P5v/iupZn9twjEb5Jhw3Cp M2nFGucdHCIIWxYAOIWvW6NxlL4EnsuGvMumOsok= X-Riseup-User-ID: CDF44E3A61A07484CE2A71FC5409F0E2B3D7F539827E6D44D7B09FCC6F31AD3F Received: from [127.0.0.1] (localhost [127.0.0.1]) by fews1.riseup.net (Postfix) with ESMTPSA id 4F3y5m5ZGxz5wFZ for ; Mon, 22 Mar 2021 07:47:40 -0700 (PDT) Date: Mon, 22 Mar 2021 14:42:10 +0100 From: raingloom To: "guix-devel@gnu.org" Subject: Re: A Critique of Shepherd Design Message-ID: <20210322144210.1aa813e0@riseup.net> In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=198.252.153.129; envelope-from=raingloom@riseup.net; helo=mx1.riseup.net X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: guix-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: "Guix-devel" X-Migadu-Flow: FLOW_IN ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1616425718; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post:dkim-signature; bh=qXpnUjYtc2HMa5V8PVE+VvNzM81sLMdnY/twAQI6whs=; b=Zampi6Tn3bH+h7tqycuZlUgkbYQ57vCkTLiGTNpTmTMkbt/LcuNSO3FJpmJSJvuv0/0MFb 00xrOJdM7/1B8cUYYrNnzmESoUSM7CtwsgHjmoBtqflkqF5BYRRvlrMtZIZizNwTAGt3k1 KkLR+Dk0XIojXNmqLcQ7ioG3gF3ShBGoKnFx3E0pC4aHdtdWJIQsfmEn3OSfXARdiZCe8b Kg+vVPKfK6HPlRqqL5ymLYVqQFZvJUXJIBqU+WaMxUCSBugMjmqaQ77yXGIgXfi/YAS/NH cwTBKe3ByR5Bk9rUzW1iEx59PIP6M6J54bSzZ2r2uwgZn+Wr43PCxBDHLJizdA== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1616425718; a=rsa-sha256; cv=none; b=MRleUtdtYpBPdnJoFKGtIT+QquZmhvIblEfH4T6ff+FwlKqeF/K9o+7A1p5wwc/0kAfuyz TRGzpMervqIhmawdnmn3OZwWWha3jMfC8BmzIGlv3uAPwaodue8Tn3Sv+UCz+zEeDHt1La SpshC8+/5HeahCBz7+QZKRcmqjKl7WDuHC1KarQ2JQCrZgYHXLlNxWsc0agp9Qya1QL/TA +bmQar4f7pR1b9L4658Rg40MmGKQECL6fXPvv084suku2Ia8T2RV6+4XRgclBH1whPnPTD cfPp9vU70B0NQivifKNljowDyOvFU+ga9ZECmurvIjdpfsgRauPMYn1+dvBOog== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=pass header.d=riseup.net header.s=squak header.b=Pg5pRFgN; dmarc=pass (policy=none) header.from=riseup.net; spf=pass (aspmx1.migadu.com: domain of guix-devel-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=guix-devel-bounces@gnu.org X-Migadu-Spam-Score: -3.12 Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=riseup.net header.s=squak header.b=Pg5pRFgN; dmarc=pass (policy=none) header.from=riseup.net; spf=pass (aspmx1.migadu.com: domain of guix-devel-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=guix-devel-bounces@gnu.org X-Migadu-Queue-Id: E1F7C1C308 X-Spam-Score: -3.12 X-Migadu-Scanner: scn0.migadu.com X-TUID: 8it4UV1SwfAT On Fri, 19 Mar 2021 17:33:57 +0000 raid5atemyhomework wrote: > The Shepherd language for describing actions on Shepherd daemons is a > Turing-complete Guile language. Turing completeness runs afoul of > the Principle of Least Power. Erlang is turing complete and yet it is famously excellent at managing services in a robust way.