From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Lennart Borgman Newsgroups: gmane.emacs.devel Subject: Re: [CEDET-devel] Switching CEDET from CVS to a Distributed VCS. Date: Thu, 25 Jun 2009 10:44:50 +0200 Message-ID: References: <1245882173.24086.14.camel@projectile.siege-engine.com> <393CA42E-4553-4F2D-92D8-F0D3CEE19223@gmail.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1245919510 30214 80.91.229.12 (25 Jun 2009 08:45:10 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 25 Jun 2009 08:45:10 +0000 (UTC) Cc: Emacs-Devel devel , "Eric M. Ludlam" To: David Reitter Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Jun 25 10:45:02 2009 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1MJkZp-0006hg-1d for ged-emacs-devel@m.gmane.org; Thu, 25 Jun 2009 10:45:01 +0200 Original-Received: from localhost ([127.0.0.1]:50691 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MJkZo-0000Hr-Jj for ged-emacs-devel@m.gmane.org; Thu, 25 Jun 2009 04:45:00 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MJkZi-0000HV-8k for emacs-devel@gnu.org; Thu, 25 Jun 2009 04:44:54 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MJkZh-0000Gy-8c for emacs-devel@gnu.org; Thu, 25 Jun 2009 04:44:53 -0400 Original-Received: from [199.232.76.173] (port=45446 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MJkZh-0000Gv-2w for emacs-devel@gnu.org; Thu, 25 Jun 2009 04:44:53 -0400 Original-Received: from fg-out-1718.google.com ([72.14.220.157]:9004) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1MJkZg-0006UL-1R for emacs-devel@gnu.org; Thu, 25 Jun 2009 04:44:52 -0400 Original-Received: by fg-out-1718.google.com with SMTP id l26so388332fgb.7 for ; Thu, 25 Jun 2009 01:44:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=eo3gK8ZR8k5ayWVWvOvjB5m7K1tDRoJVAfy6PWdFjKY=; b=Jb3zENjPX2VsD1MDOzvZIl7YU3dd3eP/7qmybHjsrnIO4vz4PpYI6Xu3TZKF4QMlKx 1QuMFt6mDGWc1cu0E2xqIvjgBD9nEpfbyTsCVA+vYrPQJMqi+PuSE+U/l8MrDoGRNOjR o8PlbOwrN/uaMqaDWdJjugvuNaQtnPNDgW01s= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=Mlj+nN+g+UOdneJe5udpFGlW4gPIiGc3WXvnXe22Fgf+n1e4fYk7MIY538rLEECqVb di8dPnOANZkmYdEmEscJ0FvlqnRQQOXrmnQKB5L+gKEbSvzkbbvbbiRZ70MuIjxYKMW3 N7P7SUE31RHCEwzqvvzq5BuTZzFqY7XpZbafI= Original-Received: by 10.239.134.132 with SMTP id 4mr214430hbz.131.1245919490598; Thu, 25 Jun 2009 01:44:50 -0700 (PDT) In-Reply-To: <393CA42E-4553-4F2D-92D8-F0D3CEE19223@gmail.com> X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 2) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:111715 Archived-At: On Thu, Jun 25, 2009 at 5:23 AM, David Reitter wro= te: > On Jun 24, 2009, at 6:45 PM, Lennart Borgman wrote: > >> Hi Eric, >> >> I think I have said it before, but I believe it is worth saying again: >> Emacs repository will be moved from CVS to Bazaar. And since CEDET is >> going to be included in Emacs you will most likely be using Bazaar >> after that. >> >> Alex, as I said before I do not know much at all about version control >> system. However even from my limited understanding of this I still >> can't find room for arguments for using something else than Bazaar for >> CEDET. Will not using something else than Bazaar put an extra burdon >> on Eric? And I guess that is what we all want to avoid ... ;-) > > If it helps others over at Cedet: > > I evaluated Bazaar over the course of 6 months for Aquamacs (which > incorporates the full Emacs repository). =C2=A0Using Bazaar with this rep= ository > (and coming up with a workable conversion of Aquamacs and Emacs CVSes) wa= s > endless pain, frustration and bug reporting (starting with cryptic error > messages from the bowels of Bzr). > > Bzr is well-meant and its UI is well-designed, but it lacks the efficienc= y > and reliability to manage a repository with >100k revisions. =C2=A0 It la= cks a > quality assurance process (with its monthly release cycle that's difficul= t) > and reliable error signaling / integrity checking (its ever-changing > repository formats are not seamless at all w.r.t. transitions). =C2=A0It = is > dog-slow with a large repository, even with the latest changes to "bzr lo= g". Thanks David, hope you do not mind I am sending this along to Emacs Devel. Are these problems still there? In that case they might be very important for the time scale when switching Emacs to using Bazaar. > Git has been painless and elegant. =C2=A0 Nothing gets in your way. > > All that said, I tried very hard to make Bzr work for us and spent a lot = of > time dealing with bugs, precisely for the reasons that Lennart stated. > > For a smaller repository, Bzr may well work, especially if you don't impo= rt > a "messed up" CVS repo with many branches. > > (Otherwise, it seems that a lot of Emacs dev's use Git to manage their wo= rk > privately before transferring their changes into the Emacs repository.)