From: "Ævar Arnfjörð Bjarmason" <email@example.com> To: Sebastian Schuberth <firstname.lastname@example.org> Cc: Git Mailing List <email@example.com>, firstname.lastname@example.org Subject: Re: Pain points in Git's patch flow Date: Tue, 20 Apr 2021 12:34:39 +0200 [thread overview] Message-ID: <email@example.com> (raw) In-Reply-To: <CAHGBnuMedez4SE-4-JwCcR8k=_FRtjgBdBSEJqshQnVceCvGug@mail.gmail.com> On Mon, Apr 19 2021, Sebastian Schuberth wrote: > On Mon, Apr 19, 2021 at 10:26 AM Ævar Arnfjörð Bjarmason > <firstname.lastname@example.org> wrote: > >> > If you send around code patches by mail instead of directly working on >> > Git repos plus some UI, that feels to me like serializing a data class >> > instance to JSON, printing the JSON string to paper, taking that sheet >> > of paper to another PC with a scanner, using OCR to scan it into a >> > JSON string, and then deserialize it again to a new data class >> > instance, when you could have just a REST API to push the data from on >> > PC to the other. >> >> That's not inherent with the E-Mail workflow, e.g. Linus on the LKML >> also pulls from remotes. > > Yeah, I was vaguely aware of this. To me, the question is why "also"? > Why not *only* pull from remotes? What's the feature gap email patches > try to close? > >> It does ensure that e.g. if someone submits patches and then deletes >> their GitHub account the patches are still on the ML. > > Ah, so it's basically just about a backup? That could also be solved > differently by forking / syncing Git repos. I just mentioned that as an example, FWIW I think Linus mainly uses that method for pulling "for-linus" tags from lieutenants, but that those "forks" in turn are developed over E-Mail (e.g. on the linux-usb list). So they're supporting a flow the Git ML doesn't, of e.g. needing hundreds of patches from a subsystem maintainer to bring that subsystem up-to-date for a release. Aside from that: 1. Once you have patches sent to the list for review / commenting you might as well use them to apply the changes, why also require a repository to pull from? I may just not be understanding what you're suggesting here. 2. One thing you may have missed is that patches != sending someone a repo URL to "pull" / run "log" etc. on because: 2.1: You can provide different context (-U<n> -W) and diff algorithm for patches, and submitters sometimes do on this list to make the job of reviewers easier. I.e. sometimes I'll want to manually extend the context to some relevant code related to what's being changed. 2.2: There's also the convention of a free-form (e.g. extra commentary, a reply to another E-Mail, whatever) after the "---" in the patch. >> To begin with if we'd have used the bugtracker solution from the >> beginning we'd probably be talking about moving away from Bugzilla >> now. I.e. using those things means your data becomes entangled with the >> their opinionated data models. > > Indeed, it's an art to choose the right tool at the time, and to > ensure you're not running into some "vendor-lock-in" if data export is > made too hard. And aligning on someone's "opinionated data model" is > not necessarily a bad thing, as standardization can also help > interoperability and to smoothen workflows. > >> > Not necessarily. As many of these tools have (REST) APIs, also >> > different API clients exist that you could try. >> >> API use that usually (always?) requires an account/EULA with some entity >> holding the data, and as a practical concern getting all the data is >> usually some huge number of API requests. > > I'm not sure how relevant that concern really is, but in any cause it > would be irrelevant for a self-hosted solution. Yes and no, getting kicked off the service due to e.g. being from Iran would probably be a non-issue (as was the case with GitHub until recently). I've still done various searching/for-looping over the ML archive in a way that would if translated to API requests against some remote service probably be considered a DoS, so being distributed helps there. >> >> And to e.g. as one good example to use (as is the common convention on >> >> this list) git-range-diff to display a diff to the "last rebased >> >> revision" would mean some long feature cycle in those tools, if they're >> >> even interested in implementing such a thing at all. >> > >> > AFAIK Gerrit can already do that. >> >> Sure, FWIW the point was that you needed Gerrit to implement that, and >> to suggest what if they weren't interested. Would you need to maintain a >> forked Gerrit? > > Sorry, I can't follow that. Why would you need to maintain a fork of > Gerrit if Gerrit already has the feature you're looking for? Is it a > hypothetical question about what to do if Gerrit would not have the > feature yet? My example of range-diff upthread in <email@example.com> which started this discussion wasn't to make a point about range-diff per-se, but just mention it offhand as a "feature" that in an E-Mail based flow is simply a matter of someone including a thing like that in their cover letter and sending a patch. So for that example the specifics of range-diff being a part of Gerrit now don't matter that much, the point is that the next thing lik range-diff first has to be made part of such a service, it can't easily emerge "bottom-up". Of course there's disadvantages to that too, I'm just pointing out that the free-form of text also has advantages that shouldn't be overlooked. >> Anyway, as before don't take any of the above as arguing, FWIW I >> wouldn't mind using one of these websites overall if it helped >> development velocity in the project. > > I appreciate that open mindset of yours here. > >> I just wanted to help bridge the gap between the distributed E-Mail v.s >> centralized website flow. > > Maybe, instead of jumping into something like an email vs Gerrit > discussion, what would help is to get back one step and gather the > abstract requirements. Then, with a fresh and unbiased mind, look at > all the tools and infrastructure out there that are able to fulfill > the needs, and then make a choice. The abstract requirement comes down to one thing: Whatever Junio decides. For a bit of context on the current discussion: There have been versions of this discussion in-person in various "git merge" developer meets over the years, Junio doesn't attend most of those (I believe the last one was the one in April 2016 in NYC, but I missed a couple since then, so don't take my word for it). So those discussions re-hashing of the various pain points that have been brought up over the years (and again in this thread), but have had to tip-toe around the fact that most things can't make radical forward progress (as is being proposed by some here) unless Junio is on board with them, without the benefit of being able to get feedback from him in real-time. So the things that have come out of them are things like submitGit (later GitGitGadget), which are very useful, but still something implemented inside the narrow confines of fitting into the confines of the existing E-Mail/ML-based workflow. My reading of  and  (including some "between the lines", so I may be wrong) is that Junio's very much interested in using his current workflow as the primary "source of truth", and that any (issue) tracking system will need to be shimmied on top of that. Which I think means that any such "system on top" is going to have to be bespoke and inevitably drift from the real "source of truth" which is the mailing list, What's Cooking E-Mails etc. As opposed to say, imagining some "light" in-between state where we don't use a bugtracker, or have any discussion on some centralized website, but would (or rather, Junio would) commit to creating one-line tracking issues for what's now the topics in "next" and "seen" branches. I.e. just the smaller step of answering "what's the status of my topic" via a some bug tracker, nevermind using it for anything else. Which at least for some contributors like myself means that I'm uninterested in using any such system myself, not because I would mind using it in theory, but as long as it's not the "source of truth" I don't see the point. I'd still need to scour the ML for anything it may have missed. 1. https://firstname.lastname@example.org/ 2. https://email@example.com/
next prev parent reply other threads:[~2021-04-20 10:34 UTC|newest] Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-04-14 6:13 Jonathan Nieder 2021-04-14 7:22 ` Bagas Sanjaya 2021-04-14 8:02 ` Junio C Hamano 2021-04-14 21:42 ` Junio C Hamano 2021-04-15 8:49 ` Denton Liu 2021-04-15 6:06 ` Junio C Hamano 2021-04-15 15:45 ` Son Luong Ngoc 2021-04-19 2:57 ` Eric Wong 2021-04-19 13:35 ` Theodore Ts'o 2021-04-21 10:19 ` Ævar Arnfjörð Bjarmason 2021-04-28 7:21 ` Eric Wong 2021-04-28 7:05 ` Eric Wong 2021-04-15 18:25 ` Atharva Raykar 2021-04-16 19:50 ` Junio C Hamano 2021-04-16 20:25 ` Junio C Hamano 2021-05-02 5:35 ` ZheNing Hu 2021-04-18 8:29 ` Sebastian Schuberth 2021-04-18 20:54 ` Ævar Arnfjörð Bjarmason 2021-04-19 2:58 ` Eric Wong 2021-04-19 5:54 ` Sebastian Schuberth 2021-04-19 6:04 ` Sebastian Schuberth 2021-04-19 8:26 ` Ævar Arnfjörð Bjarmason 2021-04-19 19:23 ` Sebastian Schuberth 2021-04-19 22:34 ` Theodore Ts'o 2021-04-20 6:30 ` Sebastian Schuberth 2021-04-20 16:37 ` Theodore Ts'o 2021-04-30 20:45 ` Felipe Contreras 2021-04-20 10:34 ` Ævar Arnfjörð Bjarmason [this message] 2021-04-19 19:36 ` Eric Wong 2021-04-19 19:49 ` Sebastian Schuberth 2021-04-19 22:00 ` Konstantin Ryabitsev 2021-05-08 2:10 ` dwh 2021-04-19 21:49 ` Konstantin Ryabitsev 2021-04-19 23:03 ` Stephen Smith 2021-05-08 2:08 ` dwh 2021-05-08 4:41 ` Bagas Sanjaya 2021-04-30 20:58 ` Felipe Contreras 2021-04-21 4:46 ` Daniel Axtens 2021-04-26 2:04 ` brian m. carlson 2021-04-26 14:24 ` Theodore Ts'o 2021-04-26 14:36 ` Ævar Arnfjörð Bjarmason 2021-04-28 7:59 ` Eric Wong 2021-04-28 22:44 ` brian m. carlson 2021-04-30 20:16 ` Felipe Contreras 2021-04-30 20:35 ` Felipe Contreras 2021-04-30 21:09 ` Felipe Contreras
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