viminal2/lua/scripts/autoroot.lua

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2024-10-10 00:21:39 -07:00
-- Array of file names indicating root directory. Modify to your liking.
local root_names = { '.git', 'Makefile', '.svn', '.hg' }
-- Cache to use for speed up (at cost of possibly outdated results)
local root_cache = {}
local set_root = function()
-- Get directory path to start search from
local path = vim.api.nvim_buf_get_name(0)
if path == "" then return end
path = vim.fs.dirname(path)
-- Try cache and resort to searching upward for root directory
local root = root_cache[path]
if root == nil then
local root_file = vim.fs.find(root_names, { path = path, upward = true })[1]
if root_file == nil then return end
root = vim.fs.dirname(root_file)
root_cache[path] = root
end
-- Set current directory
vim.fn.chdir(root)
end
local root_augroup = vim.api.nvim_create_augroup('MyAutoRoot', {})
vim.api.nvim_create_autocmd('BufEnter', { group = root_augroup, callback = set_root })