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let s:suggest_faq = 'https://github.com/neovim/neovim/wiki/FAQ'
function! s:check_config() abort
let ok = v:true
call health#report_start('Configuration')
if exists('$NVIM_TUI_ENABLE_CURSOR_SHAPE')
let ok = v:false
call health#report_warn("$NVIM_TUI_ENABLE_CURSOR_SHAPE is ignored in Nvim 0.2+",
\ [ "Use the 'guicursor' option to configure cursor shape. :help 'guicursor'",
\ 'https://github.com/neovim/neovim/wiki/Following-HEAD#20170402' ])
endif
if ok
call health#report_ok('no issues found')
endif
endfunction
" Load the remote plugin manifest file and check for unregistered plugins
function! s:check_rplugin_manifest() abort
call health#report_start('Remote Plugins')
let existing_rplugins = {}
for item in remote#host#PluginsForHost('python')
let existing_rplugins[item.path] = 'python'
endfor
for item in remote#host#PluginsForHost('python3')
let existing_rplugins[item.path] = 'python3'
endfor
let require_update = 0
for path in map(split(&runtimepath, ','), 'resolve(v:val)')
let python_glob = glob(path.'/rplugin/python*', 1, 1)
if empty(python_glob)
continue
endif
let python_dir = python_glob[0]
let python_version = fnamemodify(python_dir, ':t')
for script in glob(python_dir.'/*.py', 1, 1)
\ + glob(python_dir.'/*/__init__.py', 1, 1)
let contents = join(readfile(script))
if contents =~# '\<\%(from\|import\)\s\+neovim\>'
if script =~# '[\/]__init__\.py$'
let script = fnamemodify(script, ':h')
endif
if !has_key(existing_rplugins, script)
let msg = printf('"%s" is not registered.', fnamemodify(path, ':t'))
if python_version ==# 'pythonx'
if !has('python2') && !has('python3')
let msg .= ' (python2 and python3 not available)'
endif
elseif !has(python_version)
let msg .= printf(' (%s not available)', python_version)
else
let require_update = 1
endif
call health#report_warn(msg)
endif
break
endif
endfor
endfor
if require_update
call health#report_warn('Out of date', ['Run `:UpdateRemotePlugins`'])
else
call health#report_ok('Up to date')
endif
endfunction
function! s:check_performance() abort
call health#report_start('Performance')
" check buildtype
let buildtype = matchstr(execute('version'), '\v\cbuild type:?\s*[^\n\r\t ]+')
if empty(buildtype)
call health#report_error('failed to get build type from :version')
elseif buildtype =~# '\v(MinSizeRel|Release|RelWithDebInfo)'
call health#report_ok(buildtype)
else
call health#report_info(buildtype)
call health#report_warn(
\ "Non-optimized build-type. Nvim will be slower.",
\ ["Install a different Nvim package, or rebuild with `CMAKE_BUILD_TYPE=RelWithDebInfo`.",
\ s:suggest_faq])
endif
endfunction
function! s:check_tmux() abort
if empty($TMUX) || !executable('tmux')
return
endif
call health#report_start('tmux')
" check escape-time
let suggestions = ["Set escape-time in ~/.tmux.conf:\nset-option -sg escape-time 10",
\ s:suggest_faq]
let cmd = 'tmux show-option -qvgs escape-time'
let out = system(cmd)
let tmux_esc_time = substitute(out, '\v(\s|\r|\n)', '', 'g')
if v:shell_error
call health#report_error('command failed: '.cmd."\n".out)
elseif empty(tmux_esc_time)
call health#report_error('escape-time is not set', suggestions)
elseif tmux_esc_time > 300
call health#report_error(
\ 'escape-time ('.tmux_esc_time.') is higher than 300ms', suggestions)
else
call health#report_ok('escape-time: '.tmux_esc_time.'ms')
endif
" check default-terminal and $TERM
call health#report_info('$TERM: '.$TERM)
let cmd = 'tmux show-option -qvg default-terminal'
let out = system(cmd)
let tmux_default_term = substitute(out, '\v(\s|\r|\n)', '', 'g')
if empty(tmux_default_term)
let cmd = 'tmux show-option -qvgs default-terminal'
let out = system(cmd)
let tmux_default_term = substitute(out, '\v(\s|\r|\n)', '', 'g')
endif
if v:shell_error
call health#report_error('command failed: '.cmd."\n".out)
elseif tmux_default_term !=# $TERM
call health#report_info('default-terminal: '.tmux_default_term)
call health#report_error(
\ '$TERM differs from the tmux `default-terminal` setting. Colors might look wrong.',
\ ['$TERM may have been set by some rc (.bashrc, .zshrc, ...).'])
elseif $TERM !~# '\v(tmux-256color|screen-256color)'
call health#report_error(
\ '$TERM should be "screen-256color" or "tmux-256color" in tmux. Colors might look wrong.',
\ ["Set default-terminal in ~/.tmux.conf:\nset-option -g default-terminal \"screen-256color\"",
\ s:suggest_faq])
endif
endfunction
function! s:check_terminal() abort
if !executable('infocmp')
return
endif
call health#report_start('terminal')
let cmd = 'infocmp -L'
let out = system(cmd)
let kbs_entry = matchstr(out, 'key_backspace=[^,[:space:]]*')
let kdch1_entry = matchstr(out, 'key_dc=[^,[:space:]]*')
if v:shell_error
call health#report_error('command failed: '.cmd."\n".out)
else
call health#report_info('key_backspace (kbs) terminfo entry: '
\ .(empty(kbs_entry) ? '? (not found)' : kbs_entry))
call health#report_info('key_dc (kdch1) terminfo entry: '
\ .(empty(kbs_entry) ? '? (not found)' : kdch1_entry))
endif
endfunction
function! health#nvim#check() abort
call s:check_config()
call s:check_performance()
call s:check_rplugin_manifest()
call s:check_terminal()
call s:check_tmux()
endfunction
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