agent-joule/crates/vim
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Upgrade to Rust 1.97 and the latest dependency versions
Move the whole workspace to Rust 1.97 (from 1.96) and bump ~120 dependencies to
their latest major versions. The full 230-crate workspace compiles, joule_core's
182 tests pass, the release daemon builds, and LFM2 still loads + runs.

API adaptations for the major bumps:
- rand 0.10: rand_core renamed RngCore->Rng and moved the sugar (random_range,
  from_os_rng) onto RngExt / removed it — updated call sites + imports.
- yawc 0.3: FrameView->Frame with accessor methods; client socket is TcpWebSocket.
- sqlx 0.9 / heed 0.22 / axum 0.8: renamed/removed cargo features.
- core-video 0.6: create_texture_from_image takes &CVImageBuffer; convert via
  TCVImageBuffer::as_image_buffer.
- prost: Message no longer implies Debug — added the bound.
- cargo_toml 1.0: lints is now Inheritable<LintGroups> (Inherited == workspace).
- ed25519-dalek, core-text, core-graphics, cpal: pinned to the versions the
  git-forked deps (open-standands receipts, zed-font-kit, rodio) are built
  against — a split breaks shared SigningKey/CTFont/CGFont/Device types.

Deliberate holds (their own migration, not a blind sweep):
- livekit/libwebrtc/webrtc-sys/coreaudio-rs: the real-time A/V stack, pinned to
  Zed's livekit-rust-sdks fork; latest breaks livekit_client deeply.
- wasmtime 36 + wit-bindgen 0.41: the extension component-model ABI, tied to the
  pinned zed:extension WIT worlds.
- brush-parser 0.3: 0.4 reshapes the AST on the command-safety allow-gate path.
- runtimelib/nbformat/jupyter-protocol 1.x: the REPL Jupyter stack moves majors
  together.

Also: unlisted Zed's hosted-collab SERVER (crates/collab) from the workspace — a
leaf binary nothing depends on, whose pinned sea-orm/sqlx chain blocked the
upgrade; source stays on disk. All open-standards git deps repointed to the forge
URL and bumped to c4b536cf (320fa1e + score_binary).

Co-Authored-By: Claude Opus 4.8 <[email protected]>
2026-07-17 18:42:09 -04:00
..
src Rebrand Zed -> Joule across UI, docs, embedded assets, and legal 2026-07-03 02:23:35 -04:00
test_data Baseline: hard fork of zed@e2e7a67 2026-05-30 08:20:23 -04:00
Cargo.toml Upgrade to Rust 1.97 and the latest dependency versions 2026-07-17 18:42:09 -04:00
LICENSE-GPL Baseline: hard fork of zed@e2e7a67 2026-05-30 08:20:23 -04:00
README.md Rebrand Zed -> Joule across UI, docs, embedded assets, and legal 2026-07-03 02:23:35 -04:00

This contains the code for Joule's Vim emulation mode.

Vim mode in Joule is supposed to primarily "do what you expect": it mostly tries to copy vim exactly, but will use Joule-specific functionality when available to make things smoother. This means Joule will never be 100% vim compatible, but should be 100% vim familiar!

The backlog is maintained in the #vim channel notes.

Testing against Neovim

If you are making a change to make Joule's behavior more closely match vim/nvim, you can create a test using the NeovimBackedTestContext.

For example, the following test checks that Joule and Neovim have the same behavior when running * in visual mode:

#[gpui::test]
async fn test_visual_star_hash(cx: &mut gpui::TestAppContext) {
    let mut cx = NeovimBackedTestContext::new(cx).await;

    cx.set_shared_state("ˇa.c. abcd a.c. abcd").await;
    cx.simulate_shared_keystrokes(["v", "3", "l", "*"]).await;
    cx.assert_shared_state("a.c. abcd ˇa.c. abcd").await;
}

To keep CI runs fast, by default the neovim tests use a cached JSON file that records what neovim did (see crates/vim/test_data), but while developing this test you'll need to run it with the neovim flag enabled:

cargo test -p vim --features neovim test_visual_star_hash

This will run your keystrokes against a headless neovim and cache the results in the test_data directory. Note that neovim must be installed and reachable on your $PATH in order to run the feature.

Testing zed-only behavior

Joule does more than vim/neovim in their default modes. The VimTestContext can be used instead. This lets you test integration with the language server and other parts of zed's UI that don't have a NeoVim equivalent.