Branching#2890
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@extrawurst Would love your feedback on this :) Quite large. OH! And I just noticed that I removed the missing docs lint, I'll add that back if we agree on this general direction. |
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LGTM |
| * fix extremely slow status loading in large repositories by replacing time-based cache invalidation with generation counter [[@DannyStoll1](https://github.com/DannyStoll1)] ([#2823](https://github.com/gitui-org/gitui/issues/2823)) | ||
| * fix panic when renaming or updating remote URL with no remotes configured [[@xvchris](https://github.com/xvchris)] ([#2868](https://github.com/gitui-org/gitui/issues/2868)) | ||
| ### Added | ||
| * Now with a graph view! |
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please match the ususal format
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I think we need to improve the visualization still, this is the same point in time of the history in three different tools: gitui, tig and fork: 
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Being precise here, the only difference I can see in the lack of a bottom connector? Or is there something else?
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Miles Wirth 🙃
… From: extrawurst ***@***.***>
Sent: 29 March 2026 11:53
To: gitui-org/gitui ***@***.***>
Cc: Miles Wirht ***@***.***>, Author ***@***.***>
Subject: Re: [gitui-org/gitui] Branching (PR #2890)
extrawurst left a comment (gitui-org/gitui#2890)
I think we need to improve the visualization still, this is the same point in time of the history in three different tools: gitui, tig and fork:
<img width="623" height="291" alt="Screenshot 2026-03-29 at 19 50 36" src="https://github.com/user-attachments/assets/a05fed09-ce18-4f55-8915-e143b37b01d3" />
<img width="392" height="326" alt="Screenshot 2026-03-29 at 19 50 27" src="https://github.com/user-attachments/assets/8669dbeb-604b-4d25-ba8c-de5aa701ac95" />
<img width="895" height="227" alt="Screenshot 2026-03-29 at 19 51 51" src="https://github.com/user-attachments/assets/5cf8535b-3ce6-44a2-944d-a33c81c548ce" />
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I am looking forward to this change! By a quick look the source it seems like it works only with merge commits with 2 parents, but commit can have an arbitrary number of parents (see e.g. here). |
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@VojtaStanek Yes! Octopus merges! That's not covered here. I couldn't find an implementation that handles them in a way that maps well to streaming. They don't crash anything, and happen incredibly rarely. If someone is able to extend what I have here, they're welcome to; but it shouldn't block merging. |
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Thanks a lot for getting this started, that’s much appreciated! I just started reviewing the changes, but then I had a few more general questions. In its current form, I find it hard to see merge commits and how they connect to their respective parents. The image below shows a comparison between this branch and Also, in 
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No, that's just how they look :sad:.
Good points -- I also wonder if people like the pressed texts to the facets of the branch lines? I could implement that as well.
I think symbols... look cooler; but there are readability improvements we could aim for regardless, that these screenshots are making clear to me. The glyphs could expose be exposed as configuration.
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Miles Wirth 🙃
… From: Christoph Rüßler ***@***.***>
Sent: 07 April 2026 12:37
To: gitui-org/gitui ***@***.***>
Cc: Miles Wirht ***@***.***>, Author ***@***.***>
Subject: Re: [gitui-org/gitui] Branching (PR #2890)
cruessler left a comment (gitui-org/gitui#2890)
Thanks a lot for getting this started, that’s much appreciated! I just started reviewing the changes, but then I had a few more general questions.
In its current form, I find it hard to see merge commits and how they connect to their respective parents. The image below shows a comparison between this branch and `tig` in the `gitoxide` repository that has quite a few merge commits. Is there anything I need to set up to make merge commits more prominent? Does my terminal font need to have certain glyphs?
Also, in `tig`, vertical lines don’t get cut by horizontal ones, as opposed to `guitar`. I think I like `tig`’s approach better. What do you think?
<img width="3440" height="1412" alt="Screenshot_20260407_212543" src="https://github.com/user-attachments/assets/c224b4a6-6a01-4942-be2f-fef91d63d40a" />
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Not for now.
Also not relevant for now. Lets find a visual style thats a good default and add customization in a later PR. THis one is big enough as is.
I agree with this. we either find better symbols or go for the letter Furthermore I think we should use different colored lines for parallel branches like tig does for more clear separation. |
With the updates, the PR is now looking like the above. Is this a better direction? @extrawurst I plan to submit a follow-up PR with selection-based highlighting which I think will clear up the remaining vie |
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Hi all, if you need a reference for what looks good and works well in TUI then lazygit (go) and git-igitt (rust) are both very good at visualizing the graph. I think the table layout of lazygit makes more sense: short hash | timestamp | name | graph | (tags, branches) message it can also switch between --all mode and current branch https://github.com/jesseduffield/lazygit#commit-graph 
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When I looked at the algo's of git-gitt there was some issues around their design as a second-pass over a complete input, which is counter to the streaming design of gitui. Definitely still some issues I realize I miss when I review, I think there's still some issues with connecting pipes, but the tradeoffs of the algorithm feel solid to me. |
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@philocalyst thanks for your reply. I don't have any insight on the code of the above mentioned projects, my comment is purely from a user perspective. I'm a software professional and my main way of interacting with git is lazygit, before that I used the integration in vs code with the very popular git graph extension and before that I used source tree. I also briefly tried gitkraken and more recently gitui. I use the CLI when I need to or when it's simpler. While lazygit has some serious bugs and I disagree with some of their decisions which make me miss git graph from vs code, it is my favourite tool so far, and a big part of that is their graph view, and even if the first version in gitui isn't equivalent, I would like to suggest it as inspiration for what it could become, in addition to the also fantastic git graph extension in vs code and the visually appealing git-igitt. |
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I'm with you !!
Yeah I do plan to do follow-up PRs, just adding in more of these complex previews might have to be done on a second pass on just the active window.
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Miles Wirth 🙃
… From: balintbarna ***@***.***>
Sent: 22 April 2026 15:05
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Subject: Re: [gitui-org/gitui] Branching (PR #2890)
balintbarna left a comment (gitui-org/gitui#2890)
@philocalyst thanks for your reply. I don't have any insight on the code of the above mentioned projects, my comment is purely from a user perspective.
I'm a software professional and my main way of interacting with git is lazygit, before that I used the integration in vs code with the very popular git graph extension and before that I used source tree. I also briefly tried gitkraken and more recently gitui. I use the CLI when I need to or when it's simpler.
While lazygit has some serious bugs and I disagree with some of their decisions which make me miss git graph from vs code, it is my favourite tool so far, and a big part of that is their graph view, and even if the first version in gitui isn't equivalent, I would like to suggest it as inspiration for what it could become.
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@philocalyst Thanks for the changes! I’ve now started the proper first review which should be ready by today or tomorrow if all goes according to plan! 😀 |
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Thanks so much :)
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Miles Wirth 🙃
… From: Christoph Rüßler ***@***.***>
Sent: 26 April 2026 23:24
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Subject: Re: [gitui-org/gitui] Branching (PR #2890)
cruessler left a comment (gitui-org/gitui#2890)
@philocalyst Thanks for the changes! I’ve now started the proper first review which should be ready by today or tomorrow if all goes according to plan! 😀
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Hi there. I'm still working on getting git-graph, now gleisbau, into gitui. The speed requirement from gitui can be solved by splitting the global branch trace algorithm off to a background thread, and then start at head. This will feel as if it starts instantly, but it will traverse the entire repo in due time. The split also addresses the memory issue seen in the gitui+gitgraph prototype from about a year go. This is a major refactoring, so it will take some time. git-igitt is part of the git-bahn family and uses git-graph/gleisbau under the hood. I think it is a good idea to get a graph feature into gitui as soon as possible. Everybody wants it. Maybe gleisbau can produce a visual improvement, but the major step is simply getting a graph. Congratulations to @philocalyst for reaching that goal. |
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I’m sorry it’s taking so long! In order to not make you wait longer, I’m now sending you my first batch of comments, hoping they are already useful. As soon as I’m done with the next batch, you’ll get the next round of comments. I hope that works for you!
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Balls back in your court! @cruessler |
Really sorry it’s taking so long, I should be able to devote some time to this PR this week as I don’t have too many other obligations. |
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@cruessler Appreciated! Have another PR I've been sitting on for LFS, but didn't want to overwhelm the team -- so I'll be monitoring my github notifications closely to make sure this week isn't wasted!! |
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I’m slowly getting myself familiar with the PR, in order to make sure I actually understand myself what is going on. 😀 I’ve got a couple of questions and remarks, some more fundamental than others. I’m also going to push minor refactorings that don’t warrant a comment to your branch as well, in order to make some areas more idiomatic. I hope that’s ok, if not, please let me know!
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okay @cruessler you inspired me to do a pretty big refactor so sorry for the delay here! put a ton of effort into reducing the amount of redundant work as far as both clones and passing through the same commits/lanes twice or more. should be totally lazy as far as the graph goes, which i'm very happy to report! there's also a set of tests that should test the basics... (disclosure that i used $llm for the test writing, let me know if this goes against a policy and i will rewrite!) Also I kind of overpromised with stashes, although I will do in a follow-up if all goes well :) |
This was annoying
With color and crosses!
Swap im::Vector for plain Vec with checkpoint deltas.
philocalyst
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Very clever use of WalkEntry to avoid a second commit-info pass. overlay_cell will no merge glyphs via bitflags to preserve verticals across bridges.
cutting down our memory usage from 32+ to EIGHT! also tee connection types
big focuses on readability and reduced repition
Extract update_graph_rows and gate behind is_graph_visible/ready.
sets up insta for reliable graph snapshots
overly pessimistic collapsing rmeoved
i keep forgetting asyncigt is different
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This Pull Request fixes/closes #81.
It changes the following:
I followed the checklist:
make checkwithout errors