Git dependencies get erroneously added as workspaces

[eero-lehtinen]

Have you read the docs and searched existing issues?

• I have read the README's troubleshooting guide.
• I have searched existing issues.
• I have searched existing discussions.
• I have searched the existing issues of other plugins related to this issue (if applicable).
• I have searched the existing rust-analyzer issues (if applicable).
• I can reproduce the issue with stable Neovim (not a distribution or nightly) and the minimal config.

Neovim version (nvim -v)

v0.9.5

Operating system/version

EndeavourOS

Output of :checkhealth rustaceanvim

rustaceanvim: require("rustaceanvim.health").check()

checking for lua dependencies ~
- warning dap not installed. needed for debugging features [mfussenegger/nvim-dap](https://github.com/mfussenegger/nvim-dap)

checking external dependencies ~
- ok rust-analyzer: found rust-analyzer 1.77.2 (25ef9e3 2024-04-09)
- ok cargo: found cargo 1.77.2 (e52e36006 2024-03-26)
- ok rustc: found rustc 1.77.2 (25ef9e3d8 2024-04-09)
- ok lldb: found lldb version 17.0.6

checking config ~
- ok no errors found in config.

checking for conflicting plugins ~
- ok no conflicting plugins detected.

checking for tree-sitter parser ~
- warning no tree-sitter parser for rust detected. required by 'rustc unpretty' command.

How to reproduce the issue

Make Cargo.toml in a project:

[package]
name = "rust-test"
version = "0.1.0"
edition = "2021"

[dependencies]
jittr_git = { package = "jittr", git = "https://github.com/eero-lehtinen/jittr" }
jittr = "*"

Make src/main.rs

use jittr;
use jittr_git;

fn main() {}

export NVIM_DATA_MINIMAL=$(mktemp -d)
export NVIM_APP_NAME="nvim-ht-minimal"
nvim -u minimal.lua src/main.rs

Use go to definition on both jittr and jittr_git. jittr works as it should, but jittr_git's folder gets added to workspaces erroneously.

Expected behaviour

Neither of these crates are added to workspaces.

Actual behaviour

:lua =vim.lsp.buf.list_workspace_folders() shows that ~/.cargo/git/checkouts/jittr-{something} is added to lsp workspaces and then warnings from this dependency are shown as if we were editing it.

The minimal config used to reproduce this issue.

-- Minimal nvim config with lazy
-- Assumes a directory in $NVIM_DATA_MINIMAL
-- Start with
--
-- export NVIM_DATA_MINIMAL=$(mktemp -d)
-- export NVIM_APP_NAME="nvim-ht-minimal"
-- nvim -u minimal.lua
--
-- Then exit out of neovim and start again.

-- Ignore default config
local config_path = vim.fn.stdpath("config")
vim.opt.rtp:remove(config_path)

-- Ignore default plugins
local data_path = vim.fn.stdpath("data")
local pack_path = data_path .. "/site"
vim.opt.packpath:remove(pack_path)

-- bootstrap lazy.nvim
data_path = assert(os.getenv("NVIM_DATA_MINIMAL"), "$NVIM_DATA_MINIMAL environment variable not set!")
local lazypath = data_path .. "/lazy/lazy.nvim"
local uv = vim.uv
	---@diagnostic disable-next-line: deprecated
	or vim.loop
if not uv.fs_stat(lazypath) then
	vim.fn.system({
		"git",
		"clone",
		"--filter=blob:none",
		"[email protected]:folke/lazy.nvim.git",
		"--branch=stable",
		lazypath,
	})
end
im.opt.rtp:prepend(lazypath)

local lazy = require("lazy")

lazy.setup({
	{
		"mrcjkb/rustaceanvim",
		version = "^4",
		init = function()
			vim.g.rustaceanvim = {}

			vim.keymap.set("n", "gd", vim.lsp.buf.definition, { desc = "LSP: Go to definition" })
		end,
		lazy = false,
	},
	-- Add any other plugins needed to reproduce the issue.
	-- see https://github.com/folke/lazy.nvim#-lazynvim for details.
}, { root = data_path, state = data_path .. "/lazy-state.json", lockfile = data_path .. "/lazy-lock.json" })

[mrcjkb]

Hey 👋

Thanks for the detailed report 🙏
Do you know if the behaviour is different when using rust-analyzer with VSCode?

I'm not sure if there's a good solution to this for rustaceanvim, as you would want to be able to navigate through the dependency with textDocument/definition, etc.

I'd have to check if not attaching an LSP client if a file is in ~/.cargo/git/checkouts (or whatever the path is on macos/windows) would cause problems.

[eero-lehtinen]

I tested on VSCode and it works like I want in this situation.

[eero-lehtinen]

I think just ignoring workspaces in this path would be fine (if that is possible).

[eero-lehtinen]

I guess root_dir passed into vim.lsp.start is the culprit for adding new workspaces, while I think in VSCode you always manually create your workspaces.

[eero-lehtinen]

Looks like you already have an explicit check for the normal dependency registry, so adding the same for git checkouts seems to just work.

diff --git a/lua/rustaceanvim/cargo.lua b/lua/rustaceanvim/cargo.lua
index 9678aa5..f506ba1 100644
--- a/lua/rustaceanvim/cargo.lua
+++ b/lua/rustaceanvim/cargo.lua
@@ -13,11 +13,13 @@ local function get_mb_active_client_root(file_name)
   local cargo_home = compat.uv.os_getenv('CARGO_HOME') or joinpath(vim.env.HOME, '.cargo')
   local registry = joinpath(cargo_home, 'registry', 'src')
 
+  local checkouts = joinpath(cargo_home, 'git', 'checkouts')
+
   ---@diagnostic disable-next-line: missing-parameter
   local rustup_home = compat.uv.os_getenv('RUSTUP_HOME') or joinpath(vim.env.HOME, '.rustup')
   local toolchains = joinpath(rustup_home, 'toolchains')
 
-  for _, item in ipairs { toolchains, registry } do
+  for _, item in ipairs { toolchains, registry, checkouts } do
     item = os.normalize_path_on_windows(item)
     if file_name:sub(1, #item) == item then
       local clients = rust_analyzer.get_active_rustaceanvim_clients()