nvim-tree.lua/lua/nvim-tree/explorer/watch.lua
Alexander Courtis 5ad87620ec
fix(#2945): stack overflow on api.git.reload or fugitive event with watchers disabled (#2949)
* Reapply "refactor(#2871, #2886): multi instance: node classes created (#2916)"

This reverts commit 50e919426a.

* fix(#2945): stack overflow on api.git.reload or fugitive event
2024-10-11 13:47:01 +11:00

95 lines
2.5 KiB
Lua

local log = require("nvim-tree.log")
local utils = require("nvim-tree.utils")
local Watcher = require("nvim-tree.watcher").Watcher
local M = {
config = {},
uid = 0,
}
---@param path string
---@return boolean
local function is_git(path)
-- If $GIT_DIR is set, consider its value to be equivalent to '.git'.
-- Expand $GIT_DIR (and `path`) to a full path (see :help filename-modifiers), since
-- it's possible to set it to a relative path. We want to make our best
-- effort to expand that to a valid absolute path.
if vim.fn.fnamemodify(path, ":p") == vim.fn.fnamemodify(vim.env.GIT_DIR, ":p") then
return true
elseif vim.fn.fnamemodify(path, ":t") == ".git" then
return true
else
return false
end
end
local IGNORED_PATHS = {
-- disable watchers on kernel filesystems
-- which have a lot of unwanted events
"/sys",
"/proc",
"/dev",
}
---@param path string
---@return boolean
local function is_folder_ignored(path)
for _, folder in ipairs(IGNORED_PATHS) do
if vim.startswith(path, folder) then
return true
end
end
if type(M.config.filesystem_watchers.ignore_dirs) == "table" then
for _, ignore_dir in ipairs(M.config.filesystem_watchers.ignore_dirs) do
if vim.fn.match(path, ignore_dir) ~= -1 then
return true
end
end
elseif type(M.config.filesystem_watchers.ignore_dirs) == "function" then
return M.config.filesystem_watchers.ignore_dirs(path)
end
return false
end
---@param node Node
---@return Watcher|nil
function M.create_watcher(node)
if not M.config.filesystem_watchers.enable or type(node) ~= "table" then
return nil
end
local path = node.link_to or node.absolute_path
if is_git(path) or is_folder_ignored(path) then
return nil
end
local function callback(watcher)
log.line("watcher", "node event scheduled refresh %s", watcher.context)
utils.debounce(watcher.context, M.config.filesystem_watchers.debounce_delay, function()
if watcher.destroyed then
return
end
if node.link_to then
log.line("watcher", "node event executing refresh '%s' -> '%s'", node.link_to, node.absolute_path)
else
log.line("watcher", "node event executing refresh '%s'", node.absolute_path)
end
node:refresh()
end)
end
M.uid = M.uid + 1
return Watcher:new(path, nil, callback, {
context = "explorer:watch:" .. path .. ":" .. M.uid,
})
end
function M.setup(opts)
M.config.filesystem_watchers = opts.filesystem_watchers
M.uid = 0
end
return M