mirror of
https://github.com/neovim/neovim.git
synced 2024-12-20 19:25:11 -07:00
407 lines
12 KiB
Lua
407 lines
12 KiB
Lua
local M = {}
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local health = require('vim.health')
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local fn_bool = function(key)
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return function(...)
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return vim.fn[key](...) == 1
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end
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end
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local has = fn_bool('has')
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local executable = fn_bool('executable')
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local empty = fn_bool('empty')
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local filereadable = fn_bool('filereadable')
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local filewritable = fn_bool('filewritable')
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local shell_error = function()
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return vim.v.shell_error ~= 0
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end
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local suggest_faq = 'https://github.com/neovim/neovim/wiki/Building-Neovim#optimized-builds'
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local function check_runtime()
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health.start('Runtime')
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-- Files from an old installation.
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local bad_files = {
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['plugin/man.vim'] = false,
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['scripts.vim'] = false,
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['autoload/man.vim'] = false,
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}
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local bad_files_msg = ''
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for k, _ in pairs(bad_files) do
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local path = ('%s/%s'):format(vim.env.VIMRUNTIME, k)
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if vim.uv.fs_stat(path) then
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bad_files[k] = true
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bad_files_msg = ('%s%s\n'):format(bad_files_msg, path)
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end
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end
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local ok = (bad_files_msg == '')
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local info = ok and health.ok or health.info
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info(string.format('$VIMRUNTIME: %s', vim.env.VIMRUNTIME))
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if not ok then
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health.error(
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string.format(
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'$VIMRUNTIME has files from an old installation (this can cause weird behavior):\n%s',
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bad_files_msg
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),
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{ 'Delete $VIMRUNTIME (or uninstall Nvim), then reinstall Nvim.' }
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)
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end
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end
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local function check_config()
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health.start('Configuration')
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local ok = true
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local vimrc = (
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empty(vim.env.MYVIMRC) and vim.fn.stdpath('config') .. '/init.vim' or vim.env.MYVIMRC
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)
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if not filereadable(vimrc) then
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ok = false
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local has_vim = filereadable(vim.fn.expand('~/.vimrc'))
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health.warn(
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(-1 == vim.fn.getfsize(vimrc) and 'Missing' or 'Unreadable') .. ' user config file: ' .. vimrc,
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{ has_vim and ':help nvim-from-vim' or ':help init.vim' }
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)
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end
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-- If $VIM is empty we don't care. Else make sure it is valid.
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if not empty(vim.env.VIM) and not filereadable(vim.env.VIM .. '/runtime/doc/nvim.txt') then
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ok = false
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health.error('$VIM is invalid: ' .. vim.env.VIM)
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end
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if vim.env.NVIM_TUI_ENABLE_CURSOR_SHAPE then
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ok = false
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health.warn('$NVIM_TUI_ENABLE_CURSOR_SHAPE is ignored in Nvim 0.2+', {
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"Use the 'guicursor' option to configure cursor shape. :help 'guicursor'",
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'https://github.com/neovim/neovim/wiki/Following-HEAD#20170402',
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})
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end
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if vim.v.ctype == 'C' then
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ok = false
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health.error(
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'Locale does not support UTF-8. Unicode characters may not display correctly.'
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.. ('\n$LANG=%s $LC_ALL=%s $LC_CTYPE=%s'):format(
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vim.env.LANG,
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vim.env.LC_ALL,
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vim.env.LC_CTYPE
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),
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{
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'If using tmux, try the -u option.',
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'Ensure that your terminal/shell/tmux/etc inherits the environment, or set $LANG explicitly.',
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'Configure your system locale.',
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}
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)
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end
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if vim.o.paste == 1 then
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ok = false
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health.error(
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"'paste' is enabled. This option is only for pasting text.\nIt should not be set in your config.",
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{
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'Remove `set paste` from your init.vim, if applicable.',
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'Check `:verbose set paste?` to see if a plugin or script set the option.',
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}
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)
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end
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local writeable = true
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local shadaopt = vim.fn.split(vim.o.shada, ',')
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local shadafile = (
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empty(vim.o.shada) and vim.o.shada
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or vim.fn.substitute(vim.fn.matchstr(shadaopt[#shadaopt], '^n.\\+'), '^n', '', '')
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)
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shadafile = (
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empty(vim.o.shadafile)
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and (empty(shadafile) and vim.fn.stdpath('state') .. '/shada/main.shada' or vim.fn.expand(
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shadafile
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))
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or (vim.o.shadafile == 'NONE' and '' or vim.o.shadafile)
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)
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if not empty(shadafile) and empty(vim.fn.glob(shadafile)) then
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-- Since this may be the first time Nvim has been run, try to create a shada file.
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if not pcall(vim.cmd.wshada) then
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writeable = false
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end
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end
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if
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not writeable
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or (not empty(shadafile) and (not filereadable(shadafile) or not filewritable(shadafile)))
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then
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ok = false
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health.error(
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'shada file is not '
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.. ((not writeable or filereadable(shadafile)) and 'writeable' or 'readable')
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.. ':\n'
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.. shadafile
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)
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end
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if ok then
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health.ok('no issues found')
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end
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end
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local function check_performance()
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health.start('Performance')
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-- Check buildtype
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local buildtype = vim.fn.matchstr(vim.fn.execute('version'), [[\v\cbuild type:?\s*[^\n\r\t ]+]])
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if empty(buildtype) then
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health.error('failed to get build type from :version')
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elseif vim.regex([[\v(MinSizeRel|Release|RelWithDebInfo)]]):match_str(buildtype) then
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health.ok(buildtype)
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else
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health.info(buildtype)
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health.warn('Non-optimized debug build. Nvim will be slower.', {
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'Install a different Nvim package, or rebuild with `CMAKE_BUILD_TYPE=RelWithDebInfo`.',
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suggest_faq,
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})
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end
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-- check for slow shell invocation
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local slow_cmd_time = 1.5
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local start_time = vim.fn.reltime()
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vim.fn.system('echo')
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local elapsed_time = vim.fn.reltimefloat(vim.fn.reltime(start_time))
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if elapsed_time > slow_cmd_time then
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health.warn(
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'Slow shell invocation (took ' .. vim.fn.printf('%.2f', elapsed_time) .. ' seconds).'
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)
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end
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end
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-- Load the remote plugin manifest file and check for unregistered plugins
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local function check_rplugin_manifest()
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health.start('Remote Plugins')
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local existing_rplugins = {}
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for _, item in ipairs(vim.fn['remote#host#PluginsForHost']('python')) do
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existing_rplugins[item.path] = 'python'
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end
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for _, item in ipairs(vim.fn['remote#host#PluginsForHost']('python3')) do
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existing_rplugins[item.path] = 'python3'
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end
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local require_update = false
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local handle_path = function(path)
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local python_glob = vim.fn.glob(path .. '/rplugin/python*', true, true)
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if empty(python_glob) then
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return
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end
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local python_dir = python_glob[1]
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local python_version = vim.fn.fnamemodify(python_dir, ':t')
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local scripts = vim.fn.glob(python_dir .. '/*.py', true, true)
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vim.list_extend(scripts, vim.fn.glob(python_dir .. '/*/__init__.py', true, true))
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for _, script in ipairs(scripts) do
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local contents = vim.fn.join(vim.fn.readfile(script))
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if vim.regex([[\<\%(from\|import\)\s\+neovim\>]]):match_str(contents) then
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if vim.regex([[[\/]__init__\.py$]]):match_str(script) then
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script = vim.fn.tr(vim.fn.fnamemodify(script, ':h'), '\\', '/')
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end
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if not existing_rplugins[script] then
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local msg = vim.fn.printf('"%s" is not registered.', vim.fn.fnamemodify(path, ':t'))
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if python_version == 'pythonx' then
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if not has('python3') then
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msg = msg .. ' (python3 not available)'
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end
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elseif not has(python_version) then
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msg = msg .. vim.fn.printf(' (%s not available)', python_version)
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else
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require_update = true
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end
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health.warn(msg)
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end
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break
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end
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end
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end
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for _, path in ipairs(vim.fn.map(vim.fn.split(vim.o.runtimepath, ','), 'resolve(v:val)')) do
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handle_path(path)
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end
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if require_update then
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health.warn('Out of date', { 'Run `:UpdateRemotePlugins`' })
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else
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health.ok('Up to date')
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end
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end
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local function check_tmux()
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if empty(vim.env.TMUX) or not executable('tmux') then
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return
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end
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local get_tmux_option = function(option)
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local cmd = 'tmux show-option -qvg ' .. option -- try global scope
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local out = vim.fn.system(vim.fn.split(cmd))
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local val = vim.fn.substitute(out, [[\v(\s|\r|\n)]], '', 'g')
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if shell_error() then
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health.error('command failed: ' .. cmd .. '\n' .. out)
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return 'error'
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elseif empty(val) then
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cmd = 'tmux show-option -qvgs ' .. option -- try session scope
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out = vim.fn.system(vim.fn.split(cmd))
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val = vim.fn.substitute(out, [[\v(\s|\r|\n)]], '', 'g')
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if shell_error() then
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health.error('command failed: ' .. cmd .. '\n' .. out)
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return 'error'
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end
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end
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return val
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end
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health.start('tmux')
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-- check escape-time
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local suggestions =
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{ 'set escape-time in ~/.tmux.conf:\nset-option -sg escape-time 10', suggest_faq }
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local tmux_esc_time = get_tmux_option('escape-time')
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if tmux_esc_time ~= 'error' then
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if empty(tmux_esc_time) then
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health.error('`escape-time` is not set', suggestions)
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elseif tonumber(tmux_esc_time) > 300 then
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health.error('`escape-time` (' .. tmux_esc_time .. ') is higher than 300ms', suggestions)
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else
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health.ok('escape-time: ' .. tmux_esc_time)
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end
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end
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-- check focus-events
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local tmux_focus_events = get_tmux_option('focus-events')
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if tmux_focus_events ~= 'error' then
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if empty(tmux_focus_events) or tmux_focus_events ~= 'on' then
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health.warn(
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"`focus-events` is not enabled. |'autoread'| may not work.",
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{ '(tmux 1.9+ only) Set `focus-events` in ~/.tmux.conf:\nset-option -g focus-events on' }
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)
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else
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health.ok('focus-events: ' .. tmux_focus_events)
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end
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end
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-- check default-terminal and $TERM
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health.info('$TERM: ' .. vim.env.TERM)
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local cmd = 'tmux show-option -qvg default-terminal'
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local out = vim.fn.system(vim.fn.split(cmd))
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local tmux_default_term = vim.fn.substitute(out, [[\v(\s|\r|\n)]], '', 'g')
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if empty(tmux_default_term) then
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cmd = 'tmux show-option -qvgs default-terminal'
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out = vim.fn.system(vim.fn.split(cmd))
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tmux_default_term = vim.fn.substitute(out, [[\v(\s|\r|\n)]], '', 'g')
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end
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if shell_error() then
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health.error('command failed: ' .. cmd .. '\n' .. out)
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elseif tmux_default_term ~= vim.env.TERM then
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health.info('default-terminal: ' .. tmux_default_term)
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health.error(
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'$TERM differs from the tmux `default-terminal` setting. Colors might look wrong.',
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{ '$TERM may have been set by some rc (.bashrc, .zshrc, ...).' }
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)
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elseif not vim.regex([[\v(tmux-256color|screen-256color)]]):match_str(vim.env.TERM) then
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health.error(
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'$TERM should be "screen-256color" or "tmux-256color" in tmux. Colors might look wrong.',
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{
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'Set default-terminal in ~/.tmux.conf:\nset-option -g default-terminal "screen-256color"',
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suggest_faq,
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}
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)
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end
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-- check for RGB capabilities
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local info = vim.fn.system({ 'tmux', 'display-message', '-p', '#{client_termfeatures}' })
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info = vim.split(vim.trim(info), ',', { trimempty = true })
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if not vim.list_contains(info, 'RGB') then
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local has_rgb = false
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if #info == 0 then
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-- client_termfeatures may not be supported; fallback to checking show-messages
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info = vim.fn.system({ 'tmux', 'show-messages', '-JT' })
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has_rgb = info:find(' Tc: (flag) true', 1, true) or info:find(' RGB: (flag) true', 1, true)
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end
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if not has_rgb then
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health.warn(
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"Neither Tc nor RGB capability set. True colors are disabled. |'termguicolors'| won't work properly.",
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{
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"Put this in your ~/.tmux.conf and replace XXX by your $TERM outside of tmux:\nset-option -sa terminal-features ',XXX:RGB'",
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"For older tmux versions use this instead:\nset-option -ga terminal-overrides ',XXX:Tc'",
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}
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)
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end
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end
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end
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local function check_terminal()
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if not executable('infocmp') then
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return
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end
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health.start('terminal')
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local cmd = 'infocmp -L'
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local out = vim.fn.system(vim.fn.split(cmd))
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local kbs_entry = vim.fn.matchstr(out, 'key_backspace=[^,[:space:]]*')
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local kdch1_entry = vim.fn.matchstr(out, 'key_dc=[^,[:space:]]*')
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if
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shell_error()
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and (
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not has('win32')
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or empty(
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vim.fn.matchstr(
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out,
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[[infocmp: couldn't open terminfo file .\+\%(conemu\|vtpcon\|win32con\)]]
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)
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)
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)
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then
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health.error('command failed: ' .. cmd .. '\n' .. out)
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else
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health.info(
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vim.fn.printf(
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'key_backspace (kbs) terminfo entry: `%s`',
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(empty(kbs_entry) and '? (not found)' or kbs_entry)
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)
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)
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health.info(
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vim.fn.printf(
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'key_dc (kdch1) terminfo entry: `%s`',
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(empty(kbs_entry) and '? (not found)' or kdch1_entry)
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)
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)
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end
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for _, env_var in ipairs({
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'XTERM_VERSION',
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'VTE_VERSION',
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'TERM_PROGRAM',
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'COLORTERM',
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'SSH_TTY',
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}) do
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if vim.env[env_var] then
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health.info(vim.fn.printf('$%s="%s"', env_var, vim.env[env_var]))
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end
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end
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end
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function M.check()
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check_config()
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check_runtime()
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check_performance()
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check_rplugin_manifest()
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check_terminal()
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check_tmux()
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end
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return M
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