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#5054: Asynchronous vc-bzr-diff (Man truncated) Date: Tue, 12 Jan 2010 16:01:52 -0800 (PST) Message-ID: <201001130001.o0D01qKf025239@godzilla.ics.uci.edu> References: <4B3F58A5.6080701@gmx.at> <87ljgggfff.fsf@jidanni.org> <4B41BF95.2030106@gmx.at> <87ljge801v.fsf@mail.jurta.org> <4B423CBA.6050001@gmx.at> <87iqbfyoy4.fsf@mail.jurta.org> <4B459896.1050208@gmx.at> <87eim1ebsm.fsf@mail.jurta.org> <4B46EA66.8020905@gmx.at> <87aawnrwut.fsf@mail.jurta.org> <87skadh1wc.fsf@mail.jurta.org> <4B4ADBDB.2000304@gmx.at> <877hrnxd9g.fsf_-_@mail.jurta.org> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1263341969 18851 80.91.229.12 (13 Jan 2010 00:19:29 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 13 Jan 2010 00:19:29 +0000 (UTC) Cc: 5054@debbugs.gnu.org To: Juri Linkov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Jan 13 01:19:21 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 1NUqxF-0000NN-CZ for geb-bug-gnu-emacs@m.gmane.org; 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Tue, 12 Jan 2010 19:03:02 -0500 X-Loop: bug-gnu-emacs@gnu.org Resent-From: Dan Nicolaescu Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 13 Jan 2010 00:03:02 +0000 Resent-Message-ID: Resent-Sender: bug-gnu-emacs@gnu.org X-Emacs-PR-Message: followup 5054 X-Emacs-PR-Package: emacs X-Emacs-PR-Keywords: Original-Received: via spool by 5054-submit@debbugs.gnu.org id=B5054.126334092816897 (code B ref 5054); Wed, 13 Jan 2010 00:03:02 +0000 Original-Received: (at 5054) by debbugs.gnu.org; 13 Jan 2010 00:02:08 +0000 Original-Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1NUqgY-0004OT-TX for submit@debbugs.gnu.org; Tue, 12 Jan 2010 19:02:07 -0500 Original-Received: from paul-mcgann-v0.ics.uci.edu ([128.195.1.147]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1NUqgW-0004O7-Jw for 5054@debbugs.gnu.org; Tue, 12 Jan 2010 19:02:06 -0500 Original-Received: from godzilla.ics.uci.edu (godzilla.ics.uci.edu [128.195.10.101]) by paul-mcgann-v0.ics.uci.edu (8.13.8/8.13.8) with ESMTP id o0D01qx6015037 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 12 Jan 2010 16:01:52 -0800 Original-Received: (from dann@localhost) by godzilla.ics.uci.edu (8.13.8+Sun/8.13.6/Submit) id o0D01qKf025239; Tue, 12 Jan 2010 16:01:52 -0800 (PST) In-Reply-To: <877hrnxd9g.fsf_-_@mail.jurta.org> (Juri Linkov's message of "Tue, 12 Jan 2010 22:46:19 +0200") Original-Lines: 28 X-ICS-MailScanner-Information: Please send mail to helpdesk@ics.uci.edu or more information X-ICS-MailScanner-ID: o0D01qx6015037 X-ICS-MailScanner: Found to be clean X-ICS-MailScanner-SpamCheck: not spam, SpamAssassin (not cached, score=-1.363, required 5, autolearn=disabled, ALL_TRUSTED -1.44, TW_BZ 0.08) X-ICS-MailScanner-From: dann@godzilla.ics.uci.edu X-Spam-Score: -2.6 (--) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list X-Spam-Score: -2.6 (--) Resent-Date: Tue, 12 Jan 2010 19:03:02 -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:34238 Archived-At: Juri Linkov writes: > > But maybe this part should be written separately so that other packages > > waiting for the completion of asynchronous processes could use it too. > > It seems the bzr vc backend needs the same treatment. > > When `vc-diff' reports that there are no differences, then vc > displays the *vc-diff* buffer with a single line in it: > > No changes between working revision and workfile. > This is due to this code in vc.el:vc-diff-internal (if (and (zerop (buffer-size)) (not (get-buffer-process (current-buffer)))) ;; Treat this case specially so as not to pop the buffer. (progn (message "%s" (cdr messages)) nil) > bzr's behavior differs from the git backend that doesn't display the > *vc-diff* buffer. It displays this line only in the echo area. vc-git-diff does not call the diff command asynchronously (probably because nobody had a problem with it being synchronous), but vc-bzr-diff is asynchronous.