This PR adds support for [Tangled](https://tangled.org/) as a Git
hosting provider.
Release Notes:
- Added support for permalinks to [Tangled](https://tangled.org/)
repositories.
## Summary
- Remove the `git2` crate and its C dependencies (`libgit2-sys`,
`libz-sys`), replacing all remaining usage with the git CLI and other
previously used rust crates
- Replace `git2::Patch` in `buffer_diff` with `imara-diff` (used
elsewhere in the codebase for word diffing)
- Replace `git2::Oid` with `[u8; 20]` and the `hex` crate
- Replace `git2::Repository` in `RealGitRepository` with stored paths
and git CLI calls via the existing `GitBinary`
- Fixes a bug where linked worktree git dir events could cause the
repository entry to be dropped
### Motivation
libgit2 does not support the
[reftable](https://github.blog/2024-04-29-highlights-from-git-2-45/#preliminary-reftable-support)
storage format that was introduced in git 2.45 (see
[libgit2#7117](https://github.com/libgit2/libgit2/pull/7117)), meaning
that git operations in the app using these (like git status, branch
names, diffs, e.g.) appeared broken for any repository using
`--ref-format=reftable`. [Git 3 will use reftables by
default](https://www.deployhq.com/blog/git-3-0-on-the-horizon-what-git-users-need-to-know-about-the-next-major-release),
so this needs to be supported eventually.
Most operations used the git binary already, but there were still a
handfull of stragglers using libgit2. By swapping out the remaining
uses, we can remove the dependancy of libgit2 and eliminate ~30k lines
of vendored C and the associated build complexity (cmake, libz,
pkg-config), as well as ensure that all git operations go through
similar codepaths.
Closes#46747
Closes https://github.com/zed-industries/zed/discussions/45702
fixes ZED-76X
fixes ZED-73N
### Notes
- `reload_index` is removed from the `GitRepository` trait since both
implementations were no-ops (the CLI always reads from disk)
- `change_branch` is simplified to `git checkout <name>`, which natively
handles local/remote branch resolution
- `load_index_text` and `load_committed_text` no longer explicitly
filter symlinks (the old code returned `None` for symlinked entries)
## Test plan
- [x] `cargo test -p git` (34 tests)
- [x] `cargo test -p buffer_diff` (14 tests)
- [x] `cargo test -p worktree --
test_linked_worktree_git_dir_events_do_not_panic`
- [x] `cargo test -p util` (108 tests)
- [x] `cargo test -p project -- test_file_status
test_repository_subfolder_git_status test_update_gitignore`
- [ ] Manual testing of diff gutter, staging, branch switching, remote
operations
- [ ] Manual testing with a reftable repository
Release Notes:
- Fixed git integration not working with repositories using the reftable
reference storage format
---------
Co-authored-by: Anthony Eid <anthony@zed.dev>
This will help with test times (in some cases), as nextest cannot figure
out whether a given rdep is actually an alive edge of the build graph
Closes #ISSUE
Before you mark this PR as ready for review, make sure that you have:
- [ ] Added a solid test coverage and/or screenshots from doing manual
testing
- [ ] Done a self-review taking into account security and performance
aspects
- [ ] Aligned any UI changes with the [UI
checklist](https://github.com/zed-industries/zed/blob/main/CONTRIBUTING.md#uiux-checklist)
Release Notes:
- N/A
Closes#26866
### Summary
Adds a git graph to Zed, accessible via the `git_graph::Open` action if
a project has an active repository. There's still more to do, but this
is a solid foundation to expand upon. The code structure is in line with
Zed's codebase and shouldn't require architectural changes to add
missing features.
The git graph can be opened via the command palette (`git graph: open`)
or by binding a key to `git_graph::Open`. It's available when the
project has an active git repository.
### Architecture
Similar to the Debugger, the git graph is split between a data layer and
a view/UI layer. When the view layer is rendering, it queries the data
layer for its active state. This setup allows the data layer to lazily
request graph data (only when needed for rendering), abstracts collab
from the view layer, allows most of the data loading to happen on a
background thread, and makes caching easy to implement.
#### Graph Loading
The graph data is loaded in two phases:
1. `Repository::graph_data()` streams commit structure (SHA, parents,
refs) in chunks of 1000 via `git log`
2. `CommitDataReader` lazily fetches full commit details (author,
timestamp, subject) on-demand using a persistent `git cat-file --batch`
process
This two-phase approach makes the initial loading of the graph as fast
as possible, because `git log` takes significantly longer when all the
needed graph data is queried through it. Zed then lazily loads commits
in the user's viewport through `cat-file --batch`. This makes scrolling
to any place in the graph extremely snappy and benefits the
collaborative architecture by only fetching data needed to render the
graph. It also allows Zed to share commit data between different graph
visualizations (e.g., date order vs. topological order).
#### Performance
Tested on both the Zed and LLVM repositories with good performance in
both cases. The two-phase loading approach and lazy fetching keep the UI
responsive even with large commit histories.
#### Testing
I added property testing that builds randomized commit graphs and
verifies that the graph is constructed correctly. This also works as an
integration test and will be expanded in the future to test collab graph
visualization, graph filtering, commit actions, etc.
### New Crate
- `git_graph` (GPL-licensed) — contains UI and graph computation logic
### Not Yet Implemented
- Remote repository support (collab)
- Filtering by branch
- Commit actions (checkout, cherry-pick, etc.)
- Search
- Open commit view for selected commit
- Resizable columns
- Column filtering
#### Reference
<img width="1624" height="976" alt="Screenshot 2025-01-22 at 8 15 39 PM"
src="https://github.com/user-attachments/assets/0f10924a-3964-462f-b320-42d84d02f7bf"
/>
Special thanks to [Alberto Slavica](https://github.com/pyundev) for
submitting #44405, which was a good base to work off of.
Release Notes:
- git: Add initial version of git graph
---------
Co-authored-by: pyundev <pyundev@users.noreply.github.com>
Co-authored-by: Cole Miller <cole@zed.dev>
Co-authored-by: Zed Zippy <234243425+zed-zippy[bot]@users.noreply.github.com>
We've been considering removing workspace-hack for a couple reasons:
- Lukas ran into a situation where its build script seemed to be causing
spurious rebuilds. This seems more likely to be a cargo bug than an
issue with workspace-hack itself (given that it has an empty build
script), but we don't necessarily want to take the time to hunt that
down right now.
- Marshall mentioned hakari interacts poorly with automated crate
updates (in our case provided by rennovate) because you'd need to have
`cargo hakari generate && cargo hakari manage-deps` after their changes
and we prefer to not have actions that make commits.
Currently removing workspace-hack causes our workspace to grow from
~1700 to ~2000 crates being built (depending on platform), which is
mainly a problem when you're building the whole workspace or running
tests across the the normal and remote binaries (which is where
feature-unification nets us the most sharing). It doesn't impact
incremental times noticeably when you're just iterating on `-p zed`, and
we'll hopefully get these savings back in the future when
rust-lang/cargo#14774 (which re-implements the functionality of hakari)
is finished.
Release Notes:
- N/A
This adds a "workspace-hack" crate, see
[mozilla's](https://hg.mozilla.org/mozilla-central/file/3a265fdc9f33e5946f0ca0a04af73acd7e6d1a39/build/workspace-hack/Cargo.toml#l7)
for a concise explanation of why this is useful. For us in practice this
means that if I were to run all the tests (`cargo nextest r
--workspace`) and then `cargo r`, all the deps from the previous cargo
command will be reused. Before this PR it would rebuild many deps due to
resolving different sets of features for them. For me this frequently
caused long rebuilds when things "should" already be cached.
To avoid manually maintaining our workspace-hack crate, we will use
[cargo hakari](https://docs.rs/cargo-hakari) to update the build files
when there's a necessary change. I've added a step to CI that checks
whether the workspace-hack crate is up to date, and instructs you to
re-run `script/update-workspace-hack` when it fails.
Finally, to make sure that people can still depend on crates in our
workspace without pulling in all the workspace deps, we use a `[patch]`
section following [hakari's
instructions](https://docs.rs/cargo-hakari/0.9.36/cargo_hakari/patch_directive/index.html)
One possible followup task would be making guppy use our
`rust-toolchain.toml` instead of having to duplicate that list in its
config, I opened an issue for that upstream: guppy-rs/guppy#481.
TODO:
- [x] Fix the extension test failure
- [x] Ensure the dev dependencies aren't being unified by Hakari into
the main dependencies
- [x] Ensure that the remote-server binary continues to not depend on
LibSSL
Release Notes:
- N/A
---------
Co-authored-by: Mikayla <mikayla@zed.dev>
Co-authored-by: Mikayla Maki <mikayla.c.maki@gmail.com>
This PR adds toasts for reporting success and errors from remote git
operations. This PR also adds a focus handle to notifications, in
anticipation of making them keyboard accessible.
Release Notes:
- N/A
---------
Co-authored-by: julia <julia@zed.dev>
This fixes an issue introduced in #22994 where soft wrap would
recalculate for the entire buffer when editing.
Release Notes:
- N/A
---------
Co-authored-by: Conrad <conrad@zed.dev>
This is a pure refactor of our Git diff state management. Buffers are no
longer are associated with one single diff (the unstaged changes).
Instead, there is an explicit project API for retrieving a buffer's
unstaged changes, and the `Editor` view layer is responsible for
choosing what diff to associate with a buffer.
The reason for this change is that we'll soon want to add multiple "git
diff views" to Zed, one of which will show the *uncommitted* changes for
a buffer. But that view will need to co-exist with other views of the
same buffer, which may want to show the unstaged changes.
### Todo
* [x] Get git gutter and git hunks working with new structure
* [x] Update editor tests to use new APIs
* [x] Update buffer tests
* [x] Restructure remoting/collab protocol
* [x] Update assertions about staged text in
`random_project_collaboration_tests`
* [x] Move buffer tests for git diff management to a new spot, using the
new APIs
Release Notes:
- N/A
---------
Co-authored-by: Richard <richard@zed.dev>
Co-authored-by: Cole <cole@zed.dev>
Co-authored-by: Conrad <conrad@zed.dev>
Closes#15860
Since rust std now supports LazyLock replacing lazy_static with it
reduce the external dependency.
Release Notes:
- N/A
---------
Co-authored-by: Marshall Bowers <elliott.codes@gmail.com>
This PR adds a registry for `GitHostingProvider`s.
The intent here is to help decouple these provider-specific concerns
from the lower-level `git` crate.
Similar to languages, the Git hosting providers live in the new
`git_hosting_providers` crate.
This work also lays the foundation for if we wanted to allow defining a
`GitHostingProvider` from within an extension. This could be useful if
we wanted to extend the support to work with self-hosted Git providers
(like GitHub Enterprise).
I also took the opportunity to move some of the provider-specific code
out of the `util` crate, since it had leaked into there.
Release Notes:
- N/A
This PR refactors the code pertaining to Git hosting providers to make
it more uniform and easy to add support for new providers.
There is now a `GitHostingProvider` trait that contains the
functionality specific to an individual Git hosting provider. Each
provider we support has an implementation of this trait.
Release Notes:
- N/A
This adds a new action to the editor: `editor: toggle git blame`. When
used it turns on a sidebar containing `git blame` information for the
currently open buffer.
The git blame information is updated when the buffer changes. It handles
additions, deletions, modifications, changes to the underlying git data
(new commits, changed commits, ...), file saves. It also handles folding
and wrapping lines correctly.
When the user hovers over a commit, a tooltip displays information for
the commit that introduced the line. If the repository has a remote with
the name `origin` configured, then clicking on a blame entry opens the
permalink to the commit on the code host.
Users can right-click on a blame entry to get a context menu which
allows them to copy the SHA of the commit.
The feature also works on shared projects, e.g. when collaborating a
peer can request `git blame` data.
As of this PR, Zed now comes bundled with a `git` binary so that users
don't have to have `git` installed locally to use this feature.
### Screenshots
### TODOs
- [x] Bundling `git` binary
### Release Notes
Release Notes:
- Added `editor: toggle git blame` command that toggles a sidebar with
git blame information for the current buffer.
---------
Co-authored-by: Antonio <antonio@zed.dev>
Co-authored-by: Piotr <piotr@zed.dev>
Co-authored-by: Bennet <bennetbo@gmx.de>
Co-authored-by: Mikayla <mikayla@zed.dev>
This PR moves the Clippy configuration up to the workspace level.
We're using the [`lints`
table](https://doc.rust-lang.org/cargo/reference/workspaces.html#the-lints-table)
to configure the Clippy ruleset in the workspace's `Cargo.toml`.
Each crate in the workspace now has the following in their own
`Cargo.toml` to inherit the lints from the workspace:
```toml
[lints]
workspace = true
```
This allows for configuring rust-analyzer to show Clippy lints in the
editor by using the following configuration in your Zed `settings.json`:
```json
{
"lsp": {
"rust-analyzer": {
"initialization_options": {
"check": {
"command": "clippy"
}
}
}
}
```
Release Notes:
- N/A
This PR sorts the dependency lists in our `Cargo.toml` files so that
they are in alphabetical order.
This should make them easier to visually scan when looking for a
dependency.
Apologies in advance for any merge conflicts 🙈
Release Notes:
- N/A
- [x] Fill in GPL license text.
- [x] live_kit_client depends on live_kit_server as non-dev dependency,
even though it seems to only be used for tests. Is that an issue?
Release Notes:
- N/A
Marshall Bowers