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[93.72.151.96]) by smtp.googlemail.com with ESMTPSA id y26sm2004421lfy.163.2020.09.20.12.28.51 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 20 Sep 2020 12:28:51 -0700 (PDT) Subject: Re: Plans for git To: freebsd-current@freebsd.org References: <20200902045939.GA15897@eureka.lemis.com> <20200902060117.GG53210@home.opsec.eu> <20200902063136.GA47543@troutmask.apl.washington.edu> <20200902164706.GA49777@troutmask.apl.washington.edu> <5c89b4d27281f5dfffc3252a90013b0ac6c763d7.camel@freebsd.org> <5c832482-b2bc-47e4-8762-8f5a886d5f11@www.fastmail.com> <68585ca4-5ca4-40d3-b2f4-67ff3b35b6ae@www.fastmail.com> <0be2ae57d1c58e2091f4cc4484731df0@bsdforge.com> <967D73EA-880E-413D-B748-62A406C46524@FreeBSD.org> <9f89dc553e7d7b0884c2862329bdfeae@bsdforge.com> From: Andriy Gapon Openpgp: preference=signencrypt Autocrypt: addr=avg@FreeBSD.org; prefer-encrypt=mutual; keydata= mDMEX1iFDhYJKwYBBAHaRw8BAQdAiu8JG/oLFkVkOAJqJc7Dx5KI/Q6C3SBI20EQm+DXnAu0 HkFuZHJpeSBHYXBvbiA8YXZnQEZyZWVCU0Qub3JnPoiWBBMWCAA+FiEEyCHHZM09l0OE3Ir/ 1A1+Gq8+L1EFAl9YhQ4CGwMFCQeEzgAFCwkIBwIGFQoJCAsCBBYCAwECHgECF4AACgkQ1A1+ Gq8+L1Fc0wD/ZjmhHfbCJywZU3aOxXIPjcz73FYEGMvqMCCLAWyLbSABALFL+1ZNrjV3BGjq 889cOYFuboA/Yn3eWezS+tfqYBsGuDgEX1iFDhIKKwYBBAGXVQEFAQEHQL6B20Xi600TrkpG P9fWjl7JtHNxqrHKhX6Kg7kgb4ILAwEIB4h+BBgWCAAmFiEEyCHHZM09l0OE3Ir/1A1+Gq8+ L1EFAl9YhQ4CGwwFCQeEzgAACgkQ1A1+Gq8+L1F3cgEAktp4h+IJUJxL1vn6zMOt//znni/J TanKfQuA8wGXcGkBAKpZJhqMkg+pKk7MGvJhgJ6nCpTZ+rMK6vZVZLUWc3QF Message-ID: <6ae80681-f866-756e-d361-10e742d2dbf5@FreeBSD.org> Date: Sun, 20 Sep 2020 22:28:50 +0300 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:60.0) Gecko/20100101 Firefox/60.0 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4Bvd0q4WXsz4N5y X-Spamd-Bar: - X-Spamd-Result: default: False [-1.72 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:209.85.128.0/17]; TO_DN_NONE(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; NEURAL_HAM_SHORT(-0.29)[-0.288]; FORGED_SENDER(0.30)[avg@FreeBSD.org,agapon@gmail.com]; RECEIVED_SPAMHAUS_PBL(0.00)[93.72.151.96:received]; MIME_TRACE(0.00)[0:+]; R_DKIM_NA(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; FROM_NEQ_ENVFROM(0.00)[avg@FreeBSD.org,agapon@gmail.com]; MID_RHS_MATCH_FROM(0.00)[]; ASN(0.00)[asn:15169, ipnet:209.85.128.0/17, country:US]; TO_DOM_EQ_FROM_DOM(0.00)[]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.92)[-0.924]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-0.51)[-0.506]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; DMARC_NA(0.00)[FreeBSD.org]; RCPT_COUNT_ONE(0.00)[1]; RCVD_IN_DNSWL_NONE(0.00)[209.85.208.176:from]; RWL_MAILSPIKE_POSSIBLE(0.00)[209.85.208.176:from]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-current] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 20 Sep 2020 19:29:04 -0000 Just my +100500 to this. On 20/09/2020 18:03, Christian Weisgerber wrote: > On 2020-09-19, Zaphod Beeblebrox wrote: > >> Hrm. Maybe what I hear others saying, tho, and not entirely being replied >> to is just a nice concise document of the why. What I hear you saying is >> that GIT has momentum and that it's popular... (and I accept that --- it is >> evidently true), but then I hear handwaving about features, but no list of >> features that are a clear win/loose. > > How about the very basics (that Warner appears to have lost sight > of)? > > Git is a distributed version control system. You clone a repository > and apart from pulling and pushing changes to another repository, > all your work happens with the local repository. Subversion has a > central repository and needs to talk to the server all the time. > Laptop on a plane? No change of workflow with Git. > > And since it's your repository, you can cheaply create your own > branches, where you can commit your work and have a versioned history > of it instead of just a flat diff. I can't overstate the value of > that. Whether you work on something that will be pushed back > upstream or just your private changes, it has a full commit history. > You can easily revert commits, you can upstream it one by one, you > can upstream it with history. > > When FreeBSD switched from CVS to SVN, there was hope or promise > of lightweight branches, but that never materialized. Developers > still can't have private branches in the FreeBSD repository. For > a while, a lot of development happened in a Perforce repository--a > commerical version control system, whose company had donated a > license--which offered this feature. Nowadays, everybody who does > any but the most trivial development does so in a private Git > repository anyway. It only makes sense to interface this directly > with the FreeBSD repository instead of going through a SVN<>Git > media break. > >> Certainly the only clear things a quick search turns up that seem relevant >> is that GIT is GPL2.0 and SVN is Apache2.0. This was enough for LLVM vs >> GCC and the repository is a core function, but I suppose not a necessary >> function for forked projects that can't abide, so... > > There is a bit of historical precedent: The original BSD work at > Berkeley was kept in a SCCS repository, a proprietary version control > system at the time. > > And of course the fact that significant FreeBSD development has > effectively happened in Perforce, then in Git for a long time and > is just merged back into the Subversion repository. To put it > bluntly, the people doing the work have voted with their feet years > ago. > -- Andriy Gapon