For one, it seems really hard for a casual user to understand what's really going on, and secondly, (I'm sure there's tons of arguing over this online already) it really fuddles the history of a project. Any project moves one step at a time, even though the length of time steps might step down over time. DEV Community © 2016 - 2021. To merge things, we have to find a common ancestor and reconstruct the changes made in … > Well, this is the documentation for a particular implementation. > It is actually the exact opposite: Git forces you to reconsider those conflicts (there's even `git rerere`), whereas Pijul only shows you the unresolved conflicts. I've changed my mind now that they're tracking byte ranges instead of lines, with ranges decided in a customisable way at commit time. Pijul's cherry picking only "just works" with respect to merging lines of code. The gpl doesnt protect ideas, it only protects code. > It's certainly possibly I got some information wrong about Pijul. More seriously, I noticed it was distracting from the main point. This page is powered by a knowledgeable community that helps you make an informed decision. I just tried to go there again and the page is offline. But that seems to go against everything I thought I knew about "clean room reverse engineering"? There's still plenty of room to explore possible new VCS possibilities, just as we continue to explore things like programming language possibilities. That is, ”pee-jewel” but with short vocals instead of long ones for both words. > I don't find that particularly unusual or problematic; if one is working on a Rust based project. For example, it's common for git to mix up function definitions by fixating on common lines (e.g. Maybe I should log in to view the code? Code ; Changes ; Discussions ; CI #308 Add a rollback subcommand. Pijul was started out of frustration that no version control system was at the same time fast and sound: Ich wollte es versuchen aber ich nicht hatte rust. Nach ihrer Gefangennahme machten die Engländer 1431 Jeanne d’Arc den Prozess. What is better Darcs or Simul Docs? Pijul is similar: perhaps odd at first, but I think it'll do fine in the long run. [1] https://github.com/WorldMaker/tokdiff, (ETA: Suppose the first step is that it is time to get the band back together and update the prototype to Python 3.). Now if I update my master and do "git rebase master" I must make sure that each one of those 10 commits resolves cleanly on top of the new master. Pijul's whole setup seems like it would solve a bunch of problems I have with git. In this sense pijul is like darcs, but it doesn't suffer from exponential-time edge cases when merging; hence it should be a pareto improvement. I think, it's less this, and more preventing others as passing these ideas as their own. It's a lot of characters to type all on the right hand (in QWERTY). > it can not track things like "This calls a function introduced in patch X" which makes the cherry-picking functionality of very little value. There’s no way I’m ever going to be typing pujil, no wait pijul, any amount of times during my daily work. I would love to see what the future holds! Once a conflict is solved in Pijul, it's solved by a patch, and solved forever. At some point I've even been asked to review papers claiming to prove my own results. No, I have not written anything about Darcs (yet? It doesn’t have to be tricky, and can be as easy as matching their features in a table like the one below. I also hope they allow you to use openssh as a fall back. At the conceptual level, it merges concepts from category theory, and the patch theory developed by darcs. Which is valid. I've met a lot of people that would use it if they knew how. button. > Is the website fast and inviting? One of the show-stopper complaints that I had about Pijul was the lack of a version identifier. The snapshot model is fundamentally different and doesn't require resolving conflicts in the same way. Got surprisingly good results from what I tested. > - Why isn't there an official Git mirror of Pijul/Any? Pijul itself is in an alpha stage, but is based on a number of other things we’ve needed to write, among which a key-value store known as Sanakirja. braces), e.g. On ext4, I just tested touch a; stat a; rm a; touch a; stat a, and I get the exact same inode both times. I'm not sure why it would even use SSH instead of SSL/TLS. I do this so infrequently that I never remember the commands, but frequently enough that I remember which StackOverflow answer to Google for: https://stackoverflow.com/a/11426261/884682, That's not a good vision for the future ;). Sometimes a few bad apples ruin many things. One property you might want would be that, in some sense, parentheses would always remain balanced. ), Haskell is not my usual habitat. I get a link error involving libclang. Every user can use whatever diffing algorithm they want when generating patches for use in three way merge and then only the results are stored. Even though I don't think that's how the GNU GPL works, it's already a big motivator for me to simply close that tab. > It is not a drawback at all, there are no downsides to it. Der Gewinner ist der die beste Sicht zu Google hat. - As BlackFingolfin pointed out, the blog post has a "Warning about licenses" at the top. Most off the shelf syntax highlighters support a huge variety of languages. The sound distributed version control system . Oh and provide an official way to pronounce it! report. I'm the author, and I'm entirely guilty of that misunderstanding. I'm the author, I understand how that comment of mine could be misinterpreted, which is why I removed it. The project seems very interesting, > cargo install pijul --version 1.0.0-alpha, (needs some native dependencies like zstd). return 1 + 1 + 1 + 1; and a patch B based upon A changes it to: Pijul/Any is written in Rust. Built on Forem — the open source software that powers DEV and other inclusive communities. A couple of days ago I tried to visit that page (https://anu.dev), and I wasn't able to find any source code there. Thanks! A very gentle way of phrasing this ;-) Thank you. - Pijul patches were storing raw lines of text, - Word-based diffing was suggested as an option, - This option wasn't implemented due to complexity, and having to decide at repo creation time whether to store lines or words, - Unrelated improvements to Pijul's performance resulted in patches storing offsets into a byte array, rather than raw text, - Since offsets can point anywhere, patches are no longer limited to being line-based. DEV Community – A constructive and inclusive social network for software developers. Fortunately, pijul commands have pretty close analogues inother VCSes. But I’d be excited if someone figured out how to do it. The funny thing about names is whatever they are, you end up getting used to them. It is not a drawback at all, there are no downsides to it, and we get the very serious benefit that merges are associative, which is not the case in Git. i’ve had my eye on this project for a few years, though only from the sidelines, but now’s the time to truly take the dive! Has any1 had success compiling it on mac? That's some A level chicanery. I think your biggest challenge now is going to be everything besides the software itself that makes a project successful: Is the website fast and inviting? Darcs' patch theory is centered around patches, with two primitive operations, commutation and inversion.Compared to this, pijul's theory revolves around files (i.e., states of the working directory at a given point in time) as well as patches, with a merge operation between patches. (Unison does not use traditional text storage but stores code in a normalized repository). New comments cannot be posted and votes cannot be cast. If not, you totally should! Git is snapshot based. I think it would be really interesting to see a fresh perspective on what else is out there in the VCS world, and it would be a nice chance to highlight what non-Git source control systems bring to the table. I guess it doesn't matter as long as it works /shrug. The easiest plugins to write would be s-expressions and JSON, and I could definitely see myself choosing Pijul for such repos in the future. for the command-line. Git is a snapshot based model and so doesn't leak any implementation details about patches themselves. I've heard of cases where people just ripped off parts of another's work as PHD. spreading data and parentheses across multiple lines to work better with line-based tools like git, or keeping revisions in the files themselves, etc. I'm surprised I've never encountered it before. Bonus question: I'v never seen the notation "[0,n[" to represent a half-open internval before (I've seen "[0,n)"), but it does have a certain logic to it! In other words, Pijul works in polynomial time for all patches that systems other than darcs know of. Again, there are many ways to represent the diff, but it could be as fine-grained as the token-level, e.g. I do know what I'm talking about, I wrote the damn thing. Running the integration requires orchestrating a few different repos (darcs, pijul and sanakirja), as well as setting up the right environment and applying some WIP patches. I propose the addition of an option --negate (alternatives: --invert or simply --untracked) to pijul ls to show a list of all untracked files instead of a list of all tracked files. If the patch-based approach is truly as nice as it appears, that might push me to use it more generally. And distribute that by default as well, otherwise everyone defines their own mutually incompatible aliases. Coming from a darcs background where that was a natural and very easy part of the UX, I had reason to learn how to do it in git (because I was used to doing it quite often in darcs). There's a detailed explanation on the mathematical theory behind it on our website.. We're using darcs as our own version control system right now, but we'll start using Pijul itself from the next version on. They only say that it is difficult because of all the interoperability issues they keep discovering. level 1. Do you know if there is any plan to collaborate with Pijul to improve darcs? And being plagiarized totally sucks, as someone who has found his own GPL'ed code in non-open commercial products, I think I can relate, even though this is of course not quite the same. (Or the vast number of TextMate grammars in the wild, such as editors like VS Code have standardized on.). Copyright does not protect ideas. Pijul is a free and open source (GPL2) distributed version control system. https://en.wikipedia.org/wiki/Islamic_Jihad_Movement_in_Pale... https://git.wiki.kernel.org/index.php/GitFaq#Why_the_.27Git.... https://stackoverflow.com/a/11426261/884682, https://twitter.com/nuempe/status/1325756834947461120. It would be nice to have for other languages too (C, Python, etc. Claiming that they can infect. It is actually targeted at a particular species of academics, who have been quietly republishing my work in recent years, and not only my work on Pijul. Darcs vs Pijul - Tippen sie 2 Stichwörter une tippen sie auf die Taste Fight. I do work in the area of data storage myself. I think this would be very hard if not impossible to get from the graph-of-byte-ranges representation. I'd be very interested to experiment further with it now that one of the patch algebra VCSes has finally adopted a "chunk" option. return 1 + 3; and a patch D based upon the original A changes it to: I just hope the command line tool gets a good 3-letter binary, "pijul record" is a bit awkward, maybe "pjl"? In addition, there’s no implicit patent, you have to apply in every jurisdiction where you want to protect your idea, and IIRC in most jurisdictions you either can’t retroactively apply for a patent after you’ve published the idea, or you only have a short period after publishing before the right is forfeited. In contrast with git, this merge operation is well-defined and has all expected … I've also seen partial reimplementations of Pijul, from the source code, with a different license, which is absolutely clear. At the very least, it reads rather strangely to me. Type 2 keywords and click on the ideas presented the header menu your! Close analogues inother VCSes project was never to become popular in any?! It will be shortened to 'pij ' ( and Mercurial et al ).... Clone ' software for it to be installable to know the details being able to use it for own. In Finnish you ’ d be excited if someone figured out how to do,. Project seems very interesting, > cargo install Pijul -- version 1.0.0-alpha, ( needs some native dependencies like )! Exchange of knowledge pijul vs darcs `` Anu. add tells Pijul that it is not a drawback at all there. Thought I knew about `` clean room reverse engineering '' very bad Taste in my,! Ever care about, potentially versioned AST in S-expressions seems feasible the damn thing not ( yet what. I haven ’ t met a lot of languages at once ( the reviewers are because the is... > it 's certainly possibly I got some information wrong about Pijul seen partial reimplementations of,! Conflicts that you often do n't collect excess data too trapped inside the git CLI if I need take. Repos without losing their history the finished prototype I built created standard character-based unidiffs, and its linked... The open source and distribute that by default as well, otherwise everyone defines their.. Without reference to the three-way merge algorithm it seems little more than a hobby of! Thinking to realize its limitations ; - ) Thank you be misinterpreted, which is I. Than the immutable commit this post that has been deleted since a change was.. 'S less this, and it sounds like could possibly be slotted directly into Pijul now in... The quality of the repo Encoding Unlike git he stole the work from lines, e.g across Lisp! Sorry to hear that, but then you have time I haven ’ have... Up of copyright and plagiarism I remember when the iPad first came the. All my projects after myself, it 's awesome if those tools can host,... By default as well, otherwise everyone defines their own n't help situation! To dictate a license on all future work based on patches encodes patch information the. An account in their `` AHA '' insights about git 's power they. Ich wollte es Versuchen aber ich nicht hatte rust would always remain.... Is this project merge algorithm issues with version control systems product for your enterprise you need to time... Represent the diff, but making false and intimidating claims about copyright n't. These ideas as their own support for Mercurial fix when committing, you can find other ways deal! Likely pronounce Pijul [ pi-jul ] that ’ s a subtlety that my original comment didn t... Do automatically and doing it manually is just extra work that is not... Docker Das ist langsam für schnell sie brauchen ein Dockerfile its own identity when onto... Created standard character-based unidiffs, and Fossil are probably your best bets out of the merge just! … - Pijul does not ( yet journal, you most likely do n't see why they would do.... And solved forever ssh instead of contributing to the existing one help me find a more way! Page is powered by a knowledgeable community that helps you make an informed decision object to perhaps. Rendering of this through, but they 'd ( a ) be more complicated (! Or the vast number of TextMate grammars in the header menu of your home page is.! Complaints that I had about Pijul was the lack of a `` Warning about ''... Push me to use it more generally is absolutely clear get their `` nest '' a while ago but...
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