From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: "Alfred M. Szmidt" Newsgroups: gmane.emacs.bugs Subject: bug#66211: 30.0.50; C-x v v in vc-diff does not work with lesser versionf of patch Date: Tue, 26 Sep 2023 08:43:32 -0400 Message-ID: References: <3e17d007-0c22-918d-2030-89b02b081d44@gutov.dev> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="28263"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 66211@debbugs.gnu.org To: Dmitry Gutov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Sep 26 14:44:06 2023 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ql7Q6-00079z-77 for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 26 Sep 2023 14:44:06 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ql7Pr-0007sG-OF; Tue, 26 Sep 2023 08:43:51 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ql7Pp-0007rz-HR for bug-gnu-emacs@gnu.org; Tue, 26 Sep 2023 08:43:49 -0400 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1ql7Po-0000gR-V0 for bug-gnu-emacs@gnu.org; Tue, 26 Sep 2023 08:43:49 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1ql7Q1-0003O6-Sr for bug-gnu-emacs@gnu.org; Tue, 26 Sep 2023 08:44:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: "Alfred M. Szmidt" Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 26 Sep 2023 12:44:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 66211 X-GNU-PR-Package: emacs Original-Received: via spool by 66211-submit@debbugs.gnu.org id=B66211.169573223613001 (code B ref 66211); Tue, 26 Sep 2023 12:44:01 +0000 Original-Received: (at 66211) by debbugs.gnu.org; 26 Sep 2023 12:43:56 +0000 Original-Received: from localhost ([127.0.0.1]:47589 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ql7Pw-0003Nc-Cf for submit@debbugs.gnu.org; Tue, 26 Sep 2023 08:43:56 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:33830) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ql7Pr-0003NE-FA for 66211@debbugs.gnu.org; Tue, 26 Sep 2023 08:43:54 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ql7PZ-0000ew-1e; Tue, 26 Sep 2023 08:43:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=Date:References:Subject:In-Reply-To:To:From: mime-version; bh=wS2b5G8mH14ycID/seqZ7pfOSfj1qgNQlp6+WQ9nwvI=; b=p5fW1XBQyD/i er97oUFIIG1YaeNg35OGlqrT0LwcNETZzyTobnfg7CUc6+5n5ihcS1WhQBBPSZfb0+DClqJS13W67 Mea8YNpRBWK5qNk0WZRa+KBYjrn66OV6xpLoyiFoF/eiUn2eEtxL30nkhqZo13nwcj4HldroS/hok U0D1DIZ9mE39369FU9mA+slLuIlJZf+S0Ef1Y1oMkCG2VwxM6kTR4vR+7Jb04nNIhMfJJZLQcP3Lp 3IdHMHplTxH44kmF8I2Q9rw7H7rDY+JytncbiXWAzns8E3C/8IRpqINj7TzR08BZAIpS3/BgTl/jE Fcq1IXj/p61DY4weUkcfTg==; Original-Received: from ams by fencepost.gnu.org with local (Exim 4.90_1) (envelope-from ) id 1ql7PY-0001Ku-Re; Tue, 26 Sep 2023 08:43:32 -0400 In-Reply-To: <3e17d007-0c22-918d-2030-89b02b081d44@gutov.dev> (message from Dmitry Gutov on Tue, 26 Sep 2023 15:38:52 +0300) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:271375 Archived-At: > The C-x v v command in a*vc-diff* buffer does not work if you have a > lesser version of patch, e.g., the one on OpenBSD: > > user-error: Patch failed: patch: unknown option -- no-backup-if-mismatch > usage: patch [-bCcEeflNnRstuv] [-B backup-prefix] [-D symbol] [-d directory] > [-F max-fuzz] [-i patchfile] [-o out-file] [-p strip-count] > [-r rej-name] [-V t | nil | never] [-x number] [-z backup-ext] > [--posix] [origfile [patchfile]] > patch From the GNU patch manual: The --no-backup-if-mismatch option causes patch to not create backup files, even for mismatched patches; this is the default when conforming to POSIX. Scoundering the patch(1) man page: -b, --backup Save a backup copy of the file before it is modified. By default the original file is saved with a backup extension of ".orig" unless the file already has a numbered backup, in which case a numbered backup is made. This is equivalent to specifying "-V existing". This option is currently the default, unless --posix is specified. And looking further, --posix: --posix Enables strict IEEE Std 1003.1-2008 ("POSIX.1") conformance, specifically: 1. Backup files are not created unless the -b option is specified. 2. If unspecified, the file name used is the first of the old, new and index files that exists.