From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp0 ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms11 with LMTPS id AGo0JfHFV2A1LwAA0tVLHw (envelope-from ) for ; Sun, 21 Mar 2021 22:17:21 +0000 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp0 with LMTPS id GJ4ZIfHFV2BhawAA1q6Kng (envelope-from ) for ; Sun, 21 Mar 2021 22:17:21 +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 3BA9B20CEE for ; Sun, 21 Mar 2021 23:17:21 +0100 (CET) Received: from localhost ([::1]:48136 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lO6Ns-0002up-E2 for larch@yhetil.org; Sun, 21 Mar 2021 18:17:20 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:51718) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lO6NW-0002uX-ME; Sun, 21 Mar 2021 18:16:59 -0400 Received: from mail.zaclys.net ([178.33.93.72]:57757) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lO6NT-0000iI-RC; Sun, 21 Mar 2021 18:16:58 -0400 Received: from guix-xps.local (lsl43-1_migr-78-195-19-20.fbx.proxad.net [78.195.19.20] (may be forged)) (authenticated bits=0) by mail.zaclys.net (8.14.7/8.14.7) with ESMTP id 12LMFonD029714 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Sun, 21 Mar 2021 23:16:53 +0100 DMARC-Filter: OpenDMARC Filter v1.3.2 mail.zaclys.net 12LMFonD029714 Authentication-Results: mail.zaclys.net; spf=fail smtp.mailfrom=lle-bout@zaclys.net DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zaclys.net; s=default; t=1616365013; bh=L6sEG9rH6uj4jRGVYbishc/EwoEeyk4ObwzE9p5n6Vw=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=I4NUnI8WcXZIUbv/Wrrgmvk7IOExLgo5dnODw5gq/s1+rHVrbyHfCVaSK1T1MhM6D 6sbdMhDvebrqEMDt3uQOpnXSnZG4SYi/qFzUPwcuLaKv+9MFoV8U51S/KBC2LDeiad rhMnv0shnWvK24il7rk8nZq6ujUIJUR5niffXNno= Message-ID: <906c46080c3d720579fe2402c09ac9b02726a42e.camel@zaclys.net> Subject: Re: Make guix commands pipeable From: =?ISO-8859-1?Q?L=E9o?= Le Bouter To: david larsson , pkill9 Cc: guix-devel@gnu.org, Guix-devel Date: Sun, 21 Mar 2021 23:15:48 +0100 In-Reply-To: References: <20210320121353.0e568c7a@runbox.com> Content-Type: multipart/signed; micalg="pgp-sha512"; protocol="application/pgp-signature"; boundary="=-J6hc++ceXpT1CPkXvZRz" User-Agent: Evolution 3.34.2 MIME-Version: 1.0 Received-SPF: pass client-ip=178.33.93.72; envelope-from=lle-bout@zaclys.net; helo=mail.zaclys.net X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, SPF_HELO_NONE=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=1616365041; 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:in-reply-to:in-reply-to: references:references:list-id:list-help:list-unsubscribe: list-subscribe:list-post:dkim-signature; bh=L6sEG9rH6uj4jRGVYbishc/EwoEeyk4ObwzE9p5n6Vw=; b=La6jtNIISyN2FR8QPoboIfiCiS1jN/VGojBEHKry6u0RbDjr/RMubBRg/jy/42QUrx9tK6 aqTWbfa4w/bepG9THCw0pnONasZ6paLXkey9bIvCUdrnMWfVpa8XtE/hTzHnrzVfZoS1Vf t1cFNlQCtUSgLk4EZGnoKqomo2rG3ok6cGaHseYZ7fiAg/8TBiUwmfIqA7UMC98AGvYSuY at7xLfMevSU2F3n56dEQOa1Ss291oCNFKxcpb2HC87QwGYEG1QLM7Kd04RM+P/2nR3yIfT Gf056534n8bsMDt/S2K6JC/jVY6McXu8IrO8dbpJ/RpKZSSVu8KOWkqY2TMuEg== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1616365041; a=rsa-sha256; cv=none; b=bjsOITCv77YkwWzRdVmLKHvbbF1E7YSz/97mgd4JkeWvfG3sNHIPB9PTwA+zxreUro20yu D+lHibTDM3v2chKUTLNC+Ykk5aS8dbNT7jDdHAKTBZivyTi6e5IDNsWzt+PkJfStgoIIEz brBRAcDb1DXrEKQzZyGJWl8KBj/6yC6pA49ETw/srDcHPVV009/2hcTIR5e6/Y+Ddt4rtC Oo25ODdiKf1JQcJzZic/fjF0rRnpFAxTVCWSirbPFgFmuxgK/nT6cZ8ppF/xACDuRxysTd EaSWwdoIewD2vI1gKLtOVvOZOlIPnwRevxYxgEry+0X07fsnzBqYrIMmNhGJ7A== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=pass header.d=zaclys.net header.s=default header.b=I4NUnI8W; dmarc=pass (policy=reject) header.from=zaclys.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: -3.72 Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=zaclys.net header.s=default header.b=I4NUnI8W; dmarc=pass (policy=reject) header.from=zaclys.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: 3BA9B20CEE X-Spam-Score: -3.72 X-Migadu-Scanner: scn0.migadu.com X-TUID: 81vnvJpMoJxe --=-J6hc++ceXpT1CPkXvZRz Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable > I do agree though that it would be nicer to just have '-' as a guix=20 > input arg causing any guix command to read from stdin. Doesnt /dev/stdin work? The only reason it could not is that somehow the file descriptor needs to be seekable. L=C3=A9o --=-J6hc++ceXpT1CPkXvZRz Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEFIvLi9gL+xax3g6RRaix6GvNEKYFAmBXxZQACgkQRaix6GvN EKYQIQ/9ELLWMYB3f/yz7WcD55h23nIzcEE64fYghRM1jnNemERVToyTTIWPiE6p 03WlzzlBZtIh51GQxtlyYSsrGNF7zB3e0o5CE949Z/jFDC25GuHb7MJrCYtUhOLY sQQxTfN6b3A4m933KP1mRpGiLqYvR3AVWIGbEUtoeypFo1TstA4DwIwMnJCL4QBJ wJEuqTzX59YpumgYcdV9idwQVUS2qi5gt/29Oy3l3hBF9uEIPt+Kv3U64uPRVuuY 3qLpI8jGJfn2QqV6W4fdriDtnnp1h+2JmTaVFnLKbXDcnw8SKlgIb+n69kY/zqb0 DhM1ZA2xDNp7e8W88A5+6mQiaF4DNqEA+FFAxew2UbBWctpL74TbJNvuJFKoVuFt rK4jagsswYfk0vT4k7j6Dnzikv/OsdzOA+GE3CGGz4gFp/nd2S+p/asi1nHEBLy7 CDRw30rnUrECftZtNXPw284seHp9bKPUahe98ZNBmNE3zM/8TGFsyaKaBxgtJLsP 5Sju0MwnTQclFriNpUnoKdkzoVeBR6YvsWAMT/89RjoQZQf/TBzl9cn/8zqPPmqL 5JRy/M9tSBPzWWvH8Q84LBtFajGI78GIxOvuVUInadqR0D2Is4tAarzR2lOx0dT6 79ze0UcjTpuQqdMA/VGZbHAo2f7mp6YJf+v+vd+Zk24iac1XPDU= =+cck -----END PGP SIGNATURE----- --=-J6hc++ceXpT1CPkXvZRz--