Comment by crdrost
7 hours ago
It's deeply interesting to me that you decided to override git conflict-resolution (at least in the 90% of cases) in favor of CRDT conflict-resolution. That sort of decision is not uncommon but I was just kinda wondering -- did the CRDT idea come first or did you try a plain-text format for storing the bugs and you ran into certain common workflows where that wasn't ergonomic? (My first guess would maybe just be appending comments to the ticket -- so like if a ticket is a TOML file, you both append a comment at the end, Git immediately screams about what order should those two comments be in -- instead to make that ergonomic within Git's limitations you have to like, represent the comments as a directory tree with no inherent order and UUIDv4 names, and then Git will say "oh you both put blobs in that tree? that's fine. no conflicts," and then you have to order them by (declared-time, UUID) on the client side.)
What's not quite so clear from what I'm skimming is what you did to alleviate Git's postmodernism. What I mean is, Git just holds a bunch of refs like tags and branches and they all deliberately, inherently have equal valence -- this comes from the history of Linux being developed on an email list, there literally is not "one Linux", there is no truth about "what is the Linux v6.18 kernel" but rather there is a big family of v6.18 Linux kernels and anyone who wants to spin up a new one can literally just grab an existing v6.18 kernel and write a patch and bam, you have a new one. It's the blind sages and the elephant, every sage is correct about what the software is, within their limited ability to perceive what the software does. And this like perennially causes problems, right, people use Git for a modernist thing like CI/CD where at most companies "what's running in prod?" is one of those questions that we don't like to say "well it depends on your perspective, there is no one truth..."
Sorry for the long explainer -- I'm just aware that this is a very idiosyncratic way of phrasing the D in DVCS. But it's like, in concrete terms, do you have clients force themselves to declare a certain repo as their origin, and a certain ref on origin is the blessed Git-Bug ref that they have to push from and pull to? And like the add-on that you've crafted just doesn't let you branch the ticket list and all of that? Or -- the opposite -- do you go all-in on the postmodernism and say "no whether some strange-looking functionality is a 'bug', that is a fact that needs to be added to the holistic perspective of the project, and whether that bug is deemed fixed is a similar fact that, like, if you say you fixed the bug in `dev` it might still be not fixed in `uat` or `prod` -- so the bugs need to be stored in the repo that you're versioning anyways. And we use these CRDTs to give you a bird's eye consistent view of a Bunch of repos and all of their current statuses and all that." Or do you take a third direction that's neither purely modernist "this is the truth" nor purely postmodernist "every branch is true".
The choice to not use git merge handling was there from the beginning, the proper CRDT came a bit later when I understood more the problem and it's possible solutions. From a UX perspective, manually fixing merge conflict is the right thing for code, but it's a different story for social interactions: when the output you operate on is code, you want to precisely control that output. When the output is people understanding each other, you want to capture the intent. It's ok to, in rare case, be a little bit off in edge cases of the conflict resolution. What's not ok is forcing on the user to understand and deal with the problem.
Note that this very question is why some previous attempt at distributed bug tracker failed.
As for the postmodernism of git, I don't know ;-). I'm simply building on top of the lower level git database and leveraging the tools I have (like push/pull). Each bug is essentially its own namespace of operations that get moved around between repos. As with any CRDT, the state of that document get built from what is known at the time.
Your response here regarding CRDT was enlightening and thought provoking to me. Thank you. Really appreciate the distinction of "intent" especially in the context of human social interactions vs. code precision. Very interesting and insightful.