From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp2 ([2001:41d0:2:4a6f::]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) by ms0.migadu.com with LMTPS id r26kAU7XgGC1cQEAgWs5BA (envelope-from ) for ; Thu, 22 Apr 2021 03:54:22 +0200 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp2 with LMTPS id CP3MN03XgGAibAAAB5/wlQ (envelope-from ) for ; Thu, 22 Apr 2021 01:54:21 +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 B1CE3240BF for ; Thu, 22 Apr 2021 03:54:21 +0200 (CEST) Received: from localhost ([::1]:41610 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lZOXs-000817-V8 for larch@yhetil.org; Wed, 21 Apr 2021 21:54:20 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:55704) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lZOXk-000810-N2 for guix-devel@gnu.org; Wed, 21 Apr 2021 21:54:12 -0400 Received: from mx1.riseup.net ([198.252.153.129]:57362) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lZOXi-0001L7-Nn for guix-devel@gnu.org; Wed, 21 Apr 2021 21:54:12 -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 4FQgSw2lkczDxWh; Wed, 21 Apr 2021 18:54:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=riseup.net; s=squak; t=1619056448; bh=6fYHVFjPpLZUJKbscAVyStBaoa3coaYdUEzRqcIVobw=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=PgzsnZrtuZqYajk205vocwfpjedFS2bwb0rHZ3ayWeNpu5ebrDxDbfCu5ls23MdgF vsQ9/8PM2eCeGOaXrYWsu7onEGd9t/MxVFojNxy2bIS7dOsa3t/c00MXerqbWnk2Ho xQ2bMTd5bFw8YbqbMnHcQpHDvXHydjli4iNLvAWQ= X-Riseup-User-ID: DCC5A2FDE3B4C673F58F48EDDE95DF1F78880A609E82629E1E78AFE65FA99BA2 Received: from [127.0.0.1] (localhost [127.0.0.1]) by fews1.riseup.net (Postfix) with ESMTPSA id 4FQgSv1f9Bz5vjM; Wed, 21 Apr 2021 18:54:06 -0700 (PDT) Date: Thu, 22 Apr 2021 00:10:52 +0200 From: raingloom To: Xinglu Chen Subject: Re: Best practices for writing services Message-ID: <20210422001052.4b8c17ec@riseup.net> In-Reply-To: <87k0ov7w72.fsf@yoctocell.xyz> References: <878s6kqydj.fsf@yoctocell.xyz> <87wnswcmxi.fsf@gmail.com> <87k0ov7w72.fsf@yoctocell.xyz> 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: -11 X-Spam_score: -1.2 X-Spam_bar: - X-Spam_report: (-1.2 / 5.0 requ) BAYES_00=-1.9, DATE_IN_PAST_03_06=1.592, 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=no 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: , Cc: guix-devel@gnu.org, Maxim Cournoyer 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=1619056461; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc: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=w7RgGaGpTiU1/O7bF3nOlIAHeFdDPdQIE867U+JF4J0=; b=HZ/aaqjLcUFkDQXomSl7haNNDz2zbX2pcxBmsDlODx1cRIPjTRvCKmYrbmKCSue51MmTZ7 N3AblJ5CMKsAMtANY8lzFxptQhpyIO8bUsGL0+nPoQkyjv+0ejQQ+aXGgxF39ls/r4J431 335VoC0NOgjykEWq4kOx6jwLOloi4w6wACXD1twHRKoNj7jScvM35W5B3dhCIwYO83e0Pa sUxalCf7GnWHe/mT52iVYIjm0K06Dr7A9V18NSyKyaEfEQ4JxNni808x1yR042hN98aoyh tMbbwKyKLVoGc5SO/kPrIwPVkCMx9lG5/97/v/n3ZpOswb3uC7jJ3ai9zFWuLQ== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1619056461; a=rsa-sha256; cv=none; b=Xzzxy6oQnc6n1VCeYoMS01vf2tpvKf79niRNRVpO7tk/lWxI1EdV5o/65cAK4BGEmNJuEj 7GcsPquCGBgbGi6WRq1fvRJvErTVaSemf054IHz5YA9b1fGaAmyAdQXGHHEaiOFYgxlcnq lPoBJRy9zNqDGJ8sFcc6BzzpCzN1FEYLAKZSjfdfy32Ly8H/xz2G0rmSstREfcuCl5KC1E GTN6eJS42PnPIEcd3rCQ311/sDBXipO5PF25ipk2kl4NSkHSowlKF/0Hfaiwwq+lcz7r5n aKYDOH6shg+86XOZFQXixzpmyiZrwDaVDZ69pCKQkp+7TKSPNh3NW3gQOvrlAQ== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=riseup.net header.s=squak header.b=PgzsnZrt; 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: 0.16 Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=riseup.net header.s=squak header.b=PgzsnZrt; dmarc=fail reason="SPF not aligned (relaxed)" header.from=riseup.net (policy=none); 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: B1CE3240BF X-Spam-Score: 0.16 X-Migadu-Scanner: scn0.migadu.com X-TUID: 79dU0+ecQpZP On Wed, 21 Apr 2021 12:45:21 +0200 Xinglu Chen wrote: > One thing that I find a little annoying is that you have to specify a > default value for the fields. Are you sure? If you don't specify a default, won't the user just be forced to write (service whatever (whatever-configuration (mandatory-field 'bleepbloop))) instead of the shorter (service whatever)?