From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Dan Nicolaescu Newsgroups: gmane.emacs.bugs Subject: bug#5296: vc-rcs rcsdiff -u1 -> -u -1 Date: Sun, 3 Jan 2010 09:58:56 -0800 (PST) Message-ID: <201001031758.o03Hwujs025141@godzilla.ics.uci.edu> References: <201001022249.o02Mnhx5010096@f7.net> Reply-To: Dan Nicolaescu , 5296@debbugs.gnu.org NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1262542781 10207 80.91.229.12 (3 Jan 2010 18:19:41 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 3 Jan 2010 18:19:41 +0000 (UTC) Cc: 5296@debbugs.gnu.org To: karl@freefriends.org (Karl Berry) Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Jan 03 19:19:34 2010 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1NRV38-0008AQ-09 for geb-bug-gnu-emacs@m.gmane.org; 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Sun, 03 Jan 2010 12:59:19 -0500 Original-Received: from godzilla.ics.uci.edu (godzilla.ics.uci.edu [128.195.10.101]) by colin-baker-v0.ics.uci.edu (8.13.8/8.13.8) with ESMTP id o03HwuSA015962 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sun, 3 Jan 2010 09:58:56 -0800 Original-Received: (from dann@localhost) by godzilla.ics.uci.edu (8.13.8+Sun/8.13.6/Submit) id o03Hwujs025141; Sun, 3 Jan 2010 09:58:56 -0800 (PST) In-Reply-To: <201001022249.o02Mnhx5010096@f7.net> (Karl Berry's message of "Sat, 2 Jan 2010 22:49:43 GMT") Original-Lines: 23 X-ICS-MailScanner-Information: Please send mail to helpdesk@ics.uci.edu or more information X-ICS-MailScanner-ID: o03HwuSA015962 X-ICS-MailScanner: Found to be clean X-ICS-MailScanner-SpamCheck: not spam, SpamAssassin (not cached, score=-1.44, required 5, autolearn=disabled, ALL_TRUSTED -1.44) X-ICS-MailScanner-From: dann@godzilla.ics.uci.edu X-Spam-Score: -2.3 (--) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list X-Spam-Score: -2.4 (--) Resent-Date: Sun, 03 Jan 2010 13:00:03 -0500 X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 3) 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: , Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:33892 Archived-At: karl@freefriends.org (Karl Berry) writes: > In Emacs 23.1, doing vc-diff on an RCS file results in an error with > GNU diff 2.8.1 (or later): > > /usr/bin/diff: `-1' option is obsolete; use `-U 1' > .. > > The *Messages* buffer reports: > vc-do-command: Running rcsdiff -q -p -u1 maintainers...FAILED (status 2) > > I could not quickly tell where the invocation was in vc-rcs.el, but > afaik replacing -u1 with -u 1 (or -U 1) is the solution. (The workaround for > users is to set _POSIX2_VERSION=0 in the environment.) Do you set `diff-switches' to "-u1" ? This call: (vc-switches 'RCS 'diff) in `vc-rcs-diff' uses `diff-switches', and passes the result to "rcsdiff". Not sure what to do here. We already have a bug: #4422: diff-switches is a bad idea