From patchwork Sat Jan 16 13:58:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Christopher Baines X-Patchwork-Id: 26413 Return-Path: X-Original-To: patchwork@mira.cbaines.net Delivered-To: patchwork@mira.cbaines.net Received: by mira.cbaines.net (Postfix, from userid 113) id 16D4927BC14; Sat, 16 Jan 2021 14:03:12 +0000 (GMT) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on mira.cbaines.net X-Spam-Level: X-Spam-Status: No, score=-2.9 required=5.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,SPF_HELO_PASS,UNPARSEABLE_RELAY autolearn=unavailable autolearn_force=no version=3.4.2 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mira.cbaines.net (Postfix) with ESMTPS id 0127427BC13 for ; Sat, 16 Jan 2021 14:03:08 +0000 (GMT) Received: from localhost ([::1]:37934 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l0mAV-0001LQ-2d for patchwork@mira.cbaines.net; Sat, 16 Jan 2021 09:03:07 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:60178) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l0m6e-0007D8-9u for guix-patches@gnu.org; Sat, 16 Jan 2021 08:59:08 -0500 Received: from debbugs.gnu.org ([209.51.188.43]:59307) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1l0m6c-0004w4-OY for guix-patches@gnu.org; Sat, 16 Jan 2021 08:59:07 -0500 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1l0m6c-0005xa-NV for guix-patches@gnu.org; Sat, 16 Jan 2021 08:59:06 -0500 X-Loop: help-debbugs@gnu.org Subject: [bug#45409] [PATCH v4 12/13] substitute: Inline fetch in to process-substitutes. Resent-From: Christopher Baines Original-Sender: "Debbugs-submit" Resent-CC: guix-patches@gnu.org Resent-Date: Sat, 16 Jan 2021 13:59:06 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 45409 X-GNU-PR-Package: guix-patches X-GNU-PR-Keywords: patch To: 45409@debbugs.gnu.org Received: via spool by 45409-submit@debbugs.gnu.org id=B45409.161080550422773 (code B ref 45409); Sat, 16 Jan 2021 13:59:06 +0000 Received: (at 45409) by debbugs.gnu.org; 16 Jan 2021 13:58:24 +0000 Received: from localhost ([127.0.0.1]:42607 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1l0m5w-0005v9-5d for submit@debbugs.gnu.org; Sat, 16 Jan 2021 08:58:24 -0500 Received: from mira.cbaines.net ([212.71.252.8]:49438) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1l0m5i-0005sw-8L for 45409@debbugs.gnu.org; Sat, 16 Jan 2021 08:58:11 -0500 Received: from localhost (188.29.101.63.threembb.co.uk [188.29.101.63]) by mira.cbaines.net (Postfix) with ESMTPSA id 0306B27BC1E for <45409@debbugs.gnu.org>; Sat, 16 Jan 2021 13:58:07 +0000 (GMT) Received: from localhost (localhost [local]) by localhost (OpenSMTPD) with ESMTPA id 533ad5a2 for <45409@debbugs.gnu.org>; Sat, 16 Jan 2021 13:58:03 +0000 (UTC) From: Christopher Baines Date: Sat, 16 Jan 2021 13:58:02 +0000 Message-Id: <20210116135803.21955-12-mail@cbaines.net> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210116135803.21955-1-mail@cbaines.net> References: <20210116135803.21955-1-mail@cbaines.net> MIME-Version: 1.0 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: guix-patches@gnu.org List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-patches-bounces+patchwork=mira.cbaines.net@gnu.org Sender: "Guix-patches" X-getmail-retrieved-from-mailbox: Patches As it's only called in one place, and this should make the code easier to read. * guix/scripts/substitute.scm (fetch): Move procedure inside… (process-substitution): …here. --- guix/scripts/substitute.scm | 60 ++++++++++++++++++------------------- 1 file changed, 29 insertions(+), 31 deletions(-) diff --git a/guix/scripts/substitute.scm b/guix/scripts/substitute.scm index b5a4c08325..858ce1dcc4 100755 --- a/guix/scripts/substitute.scm +++ b/guix/scripts/substitute.scm @@ -169,37 +169,6 @@ again." (sigaction SIGALRM SIG_DFL) (apply values result))))) -(define (fetch uri) - "Return a binary input port to URI and the number of bytes it's expected to -provide." - (case (uri-scheme uri) - ((file) - (let ((port (open-file (uri-path uri) "r0b"))) - (values port (stat:size (stat port))))) - ((http https) - (guard (c ((http-get-error? c) - (leave (G_ "download from '~a' failed: ~a, ~s~%") - (uri->string (http-get-error-uri c)) - (http-get-error-code c) - (http-get-error-reason c)))) - ;; Test this with: - ;; sudo tc qdisc add dev eth0 root netem delay 1500ms - ;; and then cancel with: - ;; sudo tc qdisc del dev eth0 root - (with-timeout %fetch-timeout - (begin - (warning (G_ "while fetching ~a: server is somewhat slow~%") - (uri->string uri)) - (warning (G_ "try `--no-substitutes' if the problem persists~%"))) - (http-fetch uri #:text? #f - #:open-connection open-connection-for-uri/maybe - #:keep-alive? #t - #:buffered? #f - #:verify-certificate? #f)))) - (else - (leave (G_ "unsupported substitute URI scheme: ~a~%") - (uri->string uri))))) - (define (narinfo-cache-file cache-url path) "Return the name of the local file that contains an entry for PATH. The entry is stored in a sub-directory specific to CACHE-URL." @@ -705,6 +674,35 @@ the current output port." (apply dump-file/deduplicate (append args (list #:store (%store-prefix))))) + (define (fetch uri) + (case (uri-scheme uri) + ((file) + (let ((port (open-file (uri-path uri) "r0b"))) + (values port (stat:size (stat port))))) + ((http https) + (guard (c ((http-get-error? c) + (leave (G_ "download from '~a' failed: ~a, ~s~%") + (uri->string (http-get-error-uri c)) + (http-get-error-code c) + (http-get-error-reason c)))) + ;; Test this with: + ;; sudo tc qdisc add dev eth0 root netem delay 1500ms + ;; and then cancel with: + ;; sudo tc qdisc del dev eth0 root + (with-timeout %fetch-timeout + (begin + (warning (G_ "while fetching ~a: server is somewhat slow~%") + (uri->string uri)) + (warning (G_ "try `--no-substitutes' if the problem persists~%"))) + (http-fetch uri #:text? #f + #:open-connection open-connection-for-uri/maybe + #:keep-alive? #t + #:buffered? #f + #:verify-certificate? #f)))) + (else + (leave (G_ "unsupported substitute URI scheme: ~a~%") + (uri->string uri))))) + (unless narinfo (leave (G_ "no valid substitute for '~a'~%") store-item))