From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp11.migadu.com ([2001:41d0:2:bcc0::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms0.migadu.com with LMTPS id gPndEQaP42GOEQAAgWs5BA (envelope-from ) for ; Sun, 16 Jan 2022 04:20:38 +0100 Received: from aspmx1.migadu.com ([2001:41d0:2:bcc0::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp11.migadu.com with LMTPS id KO0rDwaP42GTDwAA9RJhRA (envelope-from ) for ; Sun, 16 Jan 2022 04:20:38 +0100 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 E4AE410F56 for ; Sun, 16 Jan 2022 04:20:37 +0100 (CET) Received: from localhost ([::1]:51302 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n8w5r-0006UQ-8Z for larch@yhetil.org; Sat, 15 Jan 2022 22:20:35 -0500 Received: from eggs.gnu.org ([209.51.188.92]:55858) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n8w5N-0006UH-9C for guix-devel@gnu.org; Sat, 15 Jan 2022 22:20:05 -0500 Received: from sender4-op-o14.zoho.com ([136.143.188.14]:17414) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n8w5J-0000pB-8d for guix-devel@gnu.org; Sat, 15 Jan 2022 22:20:04 -0500 ARC-Seal: i=1; a=rsa-sha256; t=1642303195; cv=none; d=zohomail.com; s=zohoarc; b=WjfvaL93yYSi/qRyItRSTOiCHAcFtK6uYSmryI6FgrJuCzjCFOspFWURgnk9ugHW+AjaYh0MW1Z1zhrSj3yhQCN0uz00oNoOwBOhCQorrOTVrQKSh1s/sP7p2OYjsDzk17J17hi9kge5w+vdts8JpEiw7VRqxKbKmMd8+WLXvcw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1642303195; h=Content-Type:Content-Transfer-Encoding:Date:From:MIME-Version:Message-ID:Subject:To; bh=KSaTpptpM8EVZHIcLcXOc+o5RQrsKBjo1uF/J2M7qa4=; b=ieEa5O8vZHGeaALuu6Yc//4sF6rA1LO40IDNEQPo59meDa6faaW9kdYeRGB0xttn97ew/+P559e1/L9Lrl3kfewV0Zmkcmg/J4oMfFEYn45ecpF5hseXBo3TUElWdvZzbTWIdSPqrVWZgG616m6cbXQXT/bb3TimFCeGaghF/uQ= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=excalamus.com; spf=pass smtp.mailfrom=matt@excalamus.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1642303195; s=zmail; d=excalamus.com; i=matt@excalamus.com; h=Date:From:To:Message-ID:In-Reply-To:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding; bh=KSaTpptpM8EVZHIcLcXOc+o5RQrsKBjo1uF/J2M7qa4=; b=PjGD+t3Y/q/enm9tJ7qM1WhtrFRQ6IwWT6Q/m9ENuZA6jz0XKNqpAaBgkyszDNlU ixRP9a0Cwg16YXNYdB/EE/J0kEEExujATRyrKB+t7UwDtUGjNK52GHkqWc9/2HlJiEa 47ByTmTlitKAHouRbCixhBEfZC7UZBpO0Q2MscRM= Received: from mail.zoho.com by mx.zohomail.com with SMTP id 164230319439048.2767002672806; Sat, 15 Jan 2022 19:19:54 -0800 (PST) Date: Sat, 15 Jan 2022 22:19:54 -0500 From: Matt To: "guix-devel" Message-ID: <17e60e604fa.d4b620b31007437.5972832998992327822@excalamus.com> In-Reply-To: Subject: Document /homeless-shelter? 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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 X-Migadu-Country: US ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1642303237; 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:list-id:list-help:list-unsubscribe: list-subscribe:list-post:dkim-signature; bh=KSaTpptpM8EVZHIcLcXOc+o5RQrsKBjo1uF/J2M7qa4=; b=IcW+TH1wNMoHEW4zS4GF7d/V2ivXqAjlmK3JW21uyaibDolfKZ0WnWuolEHimrD5O5YPZz 5WwdI/IttZ2ssXnooEmmOH289e+H0VvdUrS4UF4IEWUaEpvbk0Y52Jh4brGB4ZaCql+hDG vwAj4h2vWtC3+Ty3kC4QlDZn+OlqCgeaaTxW22RpOt74Wn2bAgIaVtTT5nBUUmmfV7ZMoH eD+Ii6EJf1Vy8SkftIXSILOQwV46+O9yeGCkAg3Ogouwg9AULDucHnvg6WzPUNKtQUegkK SjST0o8Duk8FIRaz3p+tE7REZe+hcFPNf7BDOHKBxeiwUaWlRvwenKtvHBbrdw== ARC-Seal: i=2; s=key1; d=yhetil.org; t=1642303237; a=rsa-sha256; cv=pass; b=HEJ7xT7fjmgFoEOR1bp55BbGGBaq54j5sEREQVMdaiPbOQBnIs5nVGK1ztb//PDfig3q7V iNJutOOuwBf7y+kpPKpsbGEt/BGDYQJoCeDxksyNXmU+yVVBP4Us7qrfflyjvzXcv+6SdI lRH67hp2rZcEBDkgOujuz3Saa0RHk2Eh5odjUZKq/SO90mXXC8khjCRCzNldhl0NWswHNG RKQe6FmcQqOtzpkmuFt5Oi+p7vQfc6+uIj54uiW4FrDsQQS8ExxBbk3NWqy2izEvqsNA3C ypVEDGlvYyQWoN3a4TeDJw+2YFm5Vfb6cvI/0sCQ6+hh7L1/66k25Bm9mQlrQQ== ARC-Authentication-Results: i=2; aspmx1.migadu.com; dkim=pass header.d=excalamus.com header.s=zmail header.b=PjGD+t3Y; arc=pass ("zohomail.com:s=zohoarc:i=1"); dmarc=none; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: -3.81 Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=excalamus.com header.s=zmail header.b=PjGD+t3Y; arc=pass ("zohomail.com:s=zohoarc:i=1"); dmarc=none; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: E4AE410F56 X-Spam-Score: -3.81 X-Migadu-Scanner: scn1.migadu.com X-TUID: /v0YFW0cHzwS In the IRC, someone asked about an error message: PermissionError: [Errno 13] Permission denied: '/homeless-shelter' This error happened when trying to build a Python package, python-libpysal. The solution was to set HOME to /tmp: (arguments `(#:phases (modify-phases %standard-phases (add-before 'check 'fix-home-directory (lambda _ ;; Tests fail with "Permission denied: '/homeless-shelter'". (setenv "HOME" "/tmp")))) Basically, some projects expect a $HOME to be defined and will fail because= Guix sets $HOME to /homeless-shelter, which doesn't exist in the build env= ironment. As I understand it, $HOME is set to /homeless-shelter during build because = that's how Nix does/did it and "there=E2=80=99s no home directory in build environments, and perhaps Eelco Dolstra and others back = then found that setting =E2=80=98HOME=E2=80=99 to a non-existing directory = broke fewer builds that leaving it unset." Is my understanding correct? Is this something that should be documented, and if so, where? IRC log: https://logs.guix.gnu.org/guix/2022-01-16.log#003312 Previous Guix discussion:=20 https://lists.gnu.org/archive/html/guix-devel/2019-11/msg00311.html