diff options
Diffstat (limited to 'runtime/autoload/health/provider2.vim')
| -rw-r--r-- | runtime/autoload/health/provider2.vim | 729 |
1 files changed, 729 insertions, 0 deletions
diff --git a/runtime/autoload/health/provider2.vim b/runtime/autoload/health/provider2.vim new file mode 100644 index 0000000000..196a3ce9de --- /dev/null +++ b/runtime/autoload/health/provider2.vim @@ -0,0 +1,729 @@ +let s:shell_error = 0 + +function! s:is_bad_response(s) abort + return a:s =~? '\v(^unable)|(^error)|(^outdated)' +endfunction + +function! s:trim(s) abort + return substitute(a:s, '^\_s*\|\_s*$', '', 'g') +endfunction + +" Convert '\' to '/'. Collapse '//' and '/./'. +function! s:normalize_path(s) abort + return substitute(substitute(a:s, '\', '/', 'g'), '/\./\|/\+', '/', 'g') +endfunction + +" Returns TRUE if `cmd` exits with success, else FALSE. +function! s:cmd_ok(cmd) abort + call system(a:cmd) + return v:shell_error == 0 +endfunction + +" Handler for s:system() function. +function! s:system_handler(jobid, data, event) dict abort + if a:event ==# 'stderr' + if self.add_stderr_to_output + let self.output .= join(a:data, '') + else + let self.stderr .= join(a:data, '') + endif + elseif a:event ==# 'stdout' + let self.output .= join(a:data, '') + elseif a:event ==# 'exit' + let s:shell_error = a:data + endif +endfunction + +" Attempts to construct a shell command from an args list. +" Only for display, to help users debug a failed command. +function! s:shellify(cmd) abort + if type(a:cmd) != type([]) + return a:cmd + endif + return join(map(copy(a:cmd), + \'v:val =~# ''\m[^\-.a-zA-Z_/]'' ? shellescape(v:val) : v:val'), ' ') +endfunction + +" Run a system command and timeout after 30 seconds. +function! s:system(cmd, ...) abort + let stdin = a:0 ? a:1 : '' + let ignore_error = a:0 > 2 ? a:3 : 0 + let opts = { + \ 'add_stderr_to_output': a:0 > 1 ? a:2 : 0, + \ 'output': '', + \ 'stderr': '', + \ 'on_stdout': function('s:system_handler'), + \ 'on_stderr': function('s:system_handler'), + \ 'on_exit': function('s:system_handler'), + \ } + let jobid = jobstart(a:cmd, opts) + + if jobid < 1 + call health#report_error(printf('Command error (job=%d): `%s` (in %s)', + \ jobid, s:shellify(a:cmd), string(getcwd()))) + let s:shell_error = 1 + return opts.output + endif + + if !empty(stdin) + call jobsend(jobid, stdin) + endif + + let res = jobwait([jobid], 30000) + if res[0] == -1 + call health#report_error(printf('Command timed out: %s', s:shellify(a:cmd))) + call jobstop(jobid) + elseif s:shell_error != 0 && !ignore_error + let emsg = printf("Command error (job=%d, exit code %d): `%s` (in %s)", + \ jobid, s:shell_error, s:shellify(a:cmd), string(getcwd())) + if !empty(opts.output) + let emsg .= "\noutput: " . opts.output + end + if !empty(opts.stderr) + let emsg .= "\nstderr: " . opts.stderr + end + call health#report_error(emsg) + endif + + return opts.output +endfunction + +function! s:systemlist(cmd, ...) abort + let stdout = split(s:system(a:cmd, a:0 ? a:1 : ''), "\n") + if a:0 > 1 && !empty(a:2) + return filter(stdout, '!empty(v:val)') + endif + return stdout +endfunction + +" Fetch the contents of a URL. +function! s:download(url) abort + let has_curl = executable('curl') + if has_curl && system(['curl', '-V']) =~# 'Protocols:.*https' + let rv = s:system(['curl', '-sL', a:url], '', 1, 1) + return s:shell_error ? 'curl error with '.a:url.': '.s:shell_error : rv + elseif executable('python') + let script = " + \try:\n + \ from urllib.request import urlopen\n + \except ImportError:\n + \ from urllib2 import urlopen\n + \\n + \response = urlopen('".a:url."')\n + \print(response.read().decode('utf8'))\n + \" + let rv = s:system(['python', '-c', script]) + return empty(rv) && s:shell_error + \ ? 'python urllib.request error: '.s:shell_error + \ : rv + endif + return 'missing `curl` ' + \ .(has_curl ? '(with HTTPS support) ' : '') + \ .'and `python`, cannot make web request' +endfunction + +" Get the latest Nvim Python client (pynvim) version from PyPI. +function! s:latest_pypi_version() abort + let pypi_version = 'unable to get pypi response' + let pypi_response = s:download('https://pypi.python.org/pypi/pynvim/json') + if !empty(pypi_response) + try + let pypi_data = json_decode(pypi_response) + catch /E474/ + return 'error: '.pypi_response + endtry + let pypi_version = get(get(pypi_data, 'info', {}), 'version', 'unable to parse') + endif + return pypi_version +endfunction + +" Get version information using the specified interpreter. The interpreter is +" used directly in case breaking changes were introduced since the last time +" Nvim's Python client was updated. +" +" Returns: [ +" {python executable version}, +" {current nvim version}, +" {current pypi nvim status}, +" {installed version status} +" ] +function! s:version_info(python) abort + let pypi_version = s:latest_pypi_version() + let python_version = s:trim(s:system([ + \ a:python, + \ '-c', + \ 'import sys; print(".".join(str(x) for x in sys.version_info[:3]))', + \ ])) + + if empty(python_version) + let python_version = 'unable to parse '.a:python.' response' + endif + + let nvim_path = s:trim(s:system([ + \ a:python, '-c', + \ 'import sys; ' . + \ 'sys.path = [p for p in sys.path if p != ""]; ' . + \ 'import neovim; print(neovim.__file__)'])) + if s:shell_error || empty(nvim_path) + return [python_version, 'unable to load neovim Python module', pypi_version, + \ nvim_path] + endif + + " Assuming that multiple versions of a package are installed, sort them + " numerically in descending order. + function! s:compare(metapath1, metapath2) abort + let a = matchstr(fnamemodify(a:metapath1, ':p:h:t'), '[0-9.]\+') + let b = matchstr(fnamemodify(a:metapath2, ':p:h:t'), '[0-9.]\+') + return a == b ? 0 : a > b ? 1 : -1 + endfunction + + " Try to get neovim.VERSION (added in 0.1.11dev). + let nvim_version = s:system([a:python, '-c', + \ 'from neovim import VERSION as v; '. + \ 'print("{}.{}.{}{}".format(v.major, v.minor, v.patch, v.prerelease))'], + \ '', 1, 1) + if empty(nvim_version) + let nvim_version = 'unable to find pynvim module version' + let base = fnamemodify(nvim_path, ':h') + let metas = glob(base.'-*/METADATA', 1, 1) + \ + glob(base.'-*/PKG-INFO', 1, 1) + \ + glob(base.'.egg-info/PKG-INFO', 1, 1) + let metas = sort(metas, 's:compare') + + if !empty(metas) + for meta_line in readfile(metas[0]) + if meta_line =~# '^Version:' + let nvim_version = matchstr(meta_line, '^Version: \zs\S\+') + break + endif + endfor + endif + endif + + let nvim_path_base = fnamemodify(nvim_path, ':~:h') + let version_status = 'unknown; '.nvim_path_base + if !s:is_bad_response(nvim_version) && !s:is_bad_response(pypi_version) + if v:lua.vim.version.lt(nvim_version, pypi_version) + let version_status = 'outdated; from '.nvim_path_base + else + let version_status = 'up to date' + endif + endif + + return [python_version, nvim_version, pypi_version, version_status] +endfunction + +" Check the Python interpreter's usability. +function! s:check_bin(bin) abort + if !filereadable(a:bin) && (!has('win32') || !filereadable(a:bin.'.exe')) + call health#report_error(printf('"%s" was not found.', a:bin)) + return 0 + elseif executable(a:bin) != 1 + call health#report_error(printf('"%s" is not executable.', a:bin)) + return 0 + endif + return 1 +endfunction + +" Check "loaded" var for given a:provider. +" Returns 1 if the caller should return (skip checks). +function! s:disabled_via_loaded_var(provider) abort + let loaded_var = 'g:loaded_'.a:provider.'_provider' + if exists(loaded_var) && !exists('*provider#'.a:provider.'#Call') + let v = eval(loaded_var) + if 0 is v + call health#report_info('Disabled ('.loaded_var.'='.v.').') + return 1 + else + call health#report_info('Disabled ('.loaded_var.'='.v.'). This might be due to some previous error.') + endif + endif + return 0 +endfunction + +function! s:check_python() abort + call health#report_start('Python 3 provider (optional)') + + let pyname = 'python3' + let python_exe = '' + let venv = exists('$VIRTUAL_ENV') ? resolve($VIRTUAL_ENV) : '' + let host_prog_var = pyname.'_host_prog' + let python_multiple = [] + + if s:disabled_via_loaded_var(pyname) + return + endif + + let [pyenv, pyenv_root] = s:check_for_pyenv() + + if exists('g:'.host_prog_var) + call health#report_info(printf('Using: g:%s = "%s"', host_prog_var, get(g:, host_prog_var))) + endif + + let [pyname, pythonx_warnings] = provider#pythonx#Detect(3) + + if empty(pyname) + call health#report_warn('No Python executable found that can `import neovim`. ' + \ . 'Using the first available executable for diagnostics.') + elseif exists('g:'.host_prog_var) + let python_exe = pyname + endif + + " No Python executable could `import neovim`, or host_prog_var was used. + if !empty(pythonx_warnings) + call health#report_warn(pythonx_warnings, ['See :help provider-python for more information.', + \ 'You may disable this provider (and warning) by adding `let g:loaded_python3_provider = 0` to your init.vim']) + + elseif !empty(pyname) && empty(python_exe) + if !exists('g:'.host_prog_var) + call health#report_info(printf('`g:%s` is not set. Searching for ' + \ . '%s in the environment.', host_prog_var, pyname)) + endif + + if !empty(pyenv) + let python_exe = s:trim(s:system([pyenv, 'which', pyname], '', 1)) + + if empty(python_exe) + call health#report_warn(printf('pyenv could not find %s.', pyname)) + endif + endif + + if empty(python_exe) + let python_exe = exepath(pyname) + + if exists('$PATH') + for path in split($PATH, has('win32') ? ';' : ':') + let path_bin = s:normalize_path(path.'/'.pyname) + if path_bin != s:normalize_path(python_exe) + \ && index(python_multiple, path_bin) == -1 + \ && executable(path_bin) + call add(python_multiple, path_bin) + endif + endfor + + if len(python_multiple) + " This is worth noting since the user may install something + " that changes $PATH, like homebrew. + call health#report_info(printf('Multiple %s executables found. ' + \ . 'Set `g:%s` to avoid surprises.', pyname, host_prog_var)) + endif + + if python_exe =~# '\<shims\>' + call health#report_warn(printf('`%s` appears to be a pyenv shim.', python_exe), [ + \ '`pyenv` is not in $PATH, your pyenv installation is broken. ' + \ .'Set `g:'.host_prog_var.'` to avoid surprises.', + \ ]) + endif + endif + endif + endif + + if !empty(python_exe) && !exists('g:'.host_prog_var) + if empty(venv) && !empty(pyenv) + \ && !empty(pyenv_root) && resolve(python_exe) !~# '^'.pyenv_root.'/' + call health#report_warn('pyenv is not set up optimally.', [ + \ printf('Create a virtualenv specifically ' + \ . 'for Nvim using pyenv, and set `g:%s`. This will avoid ' + \ . 'the need to install the pynvim module in each ' + \ . 'version/virtualenv.', host_prog_var) + \ ]) + elseif !empty(venv) + if !empty(pyenv_root) + let venv_root = pyenv_root + else + let venv_root = fnamemodify(venv, ':h') + endif + + if resolve(python_exe) !~# '^'.venv_root.'/' + call health#report_warn('Your virtualenv is not set up optimally.', [ + \ printf('Create a virtualenv specifically ' + \ . 'for Nvim and use `g:%s`. This will avoid ' + \ . 'the need to install the pynvim module in each ' + \ . 'virtualenv.', host_prog_var) + \ ]) + endif + endif + endif + + if empty(python_exe) && !empty(pyname) + " An error message should have already printed. + call health#report_error(printf('`%s` was not found.', pyname)) + elseif !empty(python_exe) && !s:check_bin(python_exe) + let python_exe = '' + endif + + " Diagnostic output + call health#report_info('Executable: ' . (empty(python_exe) ? 'Not found' : python_exe)) + if len(python_multiple) + for path_bin in python_multiple + call health#report_info('Other python executable: ' . path_bin) + endfor + endif + + if empty(python_exe) + " No Python executable can import 'neovim'. Check if any Python executable + " can import 'pynvim'. If so, that Python failed to import 'neovim' as + " well, which is most probably due to a failed pip upgrade: + " https://github.com/neovim/neovim/wiki/Following-HEAD#20181118 + let [pynvim_exe, errors] = provider#pythonx#DetectByModule('pynvim', 3) + if !empty(pynvim_exe) + call health#report_error( + \ 'Detected pip upgrade failure: Python executable can import "pynvim" but ' + \ . 'not "neovim": '. pynvim_exe, + \ "Use that Python version to reinstall \"pynvim\" and optionally \"neovim\".\n" + \ . pynvim_exe ." -m pip uninstall pynvim neovim\n" + \ . pynvim_exe ." -m pip install pynvim\n" + \ . pynvim_exe ." -m pip install neovim # only if needed by third-party software") + endif + else + let [majorpyversion, current, latest, status] = s:version_info(python_exe) + + if 3 != str2nr(majorpyversion) + call health#report_warn('Unexpected Python version.' . + \ ' This could lead to confusing error messages.') + endif + + call health#report_info('Python version: ' . majorpyversion) + + if s:is_bad_response(status) + call health#report_info(printf('pynvim version: %s (%s)', current, status)) + else + call health#report_info(printf('pynvim version: %s', current)) + endif + + if s:is_bad_response(current) + call health#report_error( + \ "pynvim is not installed.\nError: ".current, + \ ['Run in shell: '. python_exe .' -m pip install pynvim']) + endif + + if s:is_bad_response(latest) + call health#report_warn('Could not contact PyPI to get latest version.') + call health#report_error('HTTP request failed: '.latest) + elseif s:is_bad_response(status) + call health#report_warn(printf('Latest pynvim is NOT installed: %s', latest)) + elseif !s:is_bad_response(current) + call health#report_ok(printf('Latest pynvim is installed.')) + endif + endif +endfunction + +" Check if pyenv is available and a valid pyenv root can be found, then return +" their respective paths. If either of those is invalid, return two empty +" strings, effectively ignoring pyenv. +function! s:check_for_pyenv() abort + let pyenv_path = resolve(exepath('pyenv')) + + if empty(pyenv_path) + return ['', ''] + endif + + call health#report_info('pyenv: Path: '. pyenv_path) + + let pyenv_root = exists('$PYENV_ROOT') ? resolve($PYENV_ROOT) : '' + + if empty(pyenv_root) + let pyenv_root = s:trim(s:system([pyenv_path, 'root'])) + call health#report_info('pyenv: $PYENV_ROOT is not set. Infer from `pyenv root`.') + endif + + if !isdirectory(pyenv_root) + call health#report_warn( + \ printf('pyenv: Root does not exist: %s. ' + \ . 'Ignoring pyenv for all following checks.', pyenv_root)) + return ['', ''] + endif + + call health#report_info('pyenv: Root: '.pyenv_root) + + return [pyenv_path, pyenv_root] +endfunction + +" Resolves Python executable path by invoking and checking `sys.executable`. +function! s:python_exepath(invocation) abort + return s:normalize_path(system(fnameescape(a:invocation) + \ . ' -c "import sys; sys.stdout.write(sys.executable)"')) +endfunction + +" Checks that $VIRTUAL_ENV Python executables are found at front of $PATH in +" Nvim and subshells. +function! s:check_virtualenv() abort + call health#report_start('Python virtualenv') + if !exists('$VIRTUAL_ENV') + call health#report_ok('no $VIRTUAL_ENV') + return + endif + let errors = [] + " Keep hints as dict keys in order to discard duplicates. + let hints = {} + " The virtualenv should contain some Python executables, and those + " executables should be first both on Nvim's $PATH and the $PATH of + " subshells launched from Nvim. + let bin_dir = has('win32') ? '/Scripts' : '/bin' + let venv_bins = glob($VIRTUAL_ENV . bin_dir . '/python*', v:true, v:true) + " XXX: Remove irrelevant executables found in bin/. + let venv_bins = filter(venv_bins, 'v:val !~# "python-config"') + if len(venv_bins) + for venv_bin in venv_bins + let venv_bin = s:normalize_path(venv_bin) + let py_bin_basename = fnamemodify(venv_bin, ':t') + let nvim_py_bin = s:python_exepath(exepath(py_bin_basename)) + let subshell_py_bin = s:python_exepath(py_bin_basename) + if venv_bin !=# nvim_py_bin + call add(errors, '$PATH yields this '.py_bin_basename.' executable: '.nvim_py_bin) + let hint = '$PATH ambiguities arise if the virtualenv is not ' + \.'properly activated prior to launching Nvim. Close Nvim, activate the virtualenv, ' + \.'check that invoking Python from the command line launches the correct one, ' + \.'then relaunch Nvim.' + let hints[hint] = v:true + endif + if venv_bin !=# subshell_py_bin + call add(errors, '$PATH in subshells yields this ' + \.py_bin_basename . ' executable: '.subshell_py_bin) + let hint = '$PATH ambiguities in subshells typically are ' + \.'caused by your shell config overriding the $PATH previously set by the ' + \.'virtualenv. Either prevent them from doing so, or use this workaround: ' + \.'https://vi.stackexchange.com/a/34996' + let hints[hint] = v:true + endif + endfor + else + call add(errors, 'no Python executables found in the virtualenv '.bin_dir.' directory.') + endif + + let msg = '$VIRTUAL_ENV is set to: '.$VIRTUAL_ENV + if len(errors) + if len(venv_bins) + let msg .= "\nAnd its ".bin_dir.' directory contains: ' + \.join(map(venv_bins, "fnamemodify(v:val, ':t')"), ', ') + endif + let conj = "\nBut " + for error in errors + let msg .= conj.error + let conj = "\nAnd " + endfor + let msg .= "\nSo invoking Python may lead to unexpected results." + call health#report_warn(msg, keys(hints)) + else + call health#report_info(msg) + call health#report_info('Python version: ' + \.system('python -c "import platform, sys; sys.stdout.write(platform.python_version())"')) + call health#report_ok('$VIRTUAL_ENV provides :!python.') + endif +endfunction + +function! s:check_ruby() abort + call health#report_start('Ruby provider (optional)') + + if s:disabled_via_loaded_var('ruby') + return + endif + + if !executable('ruby') || !executable('gem') + call health#report_warn( + \ '`ruby` and `gem` must be in $PATH.', + \ ['Install Ruby and verify that `ruby` and `gem` commands work.']) + return + endif + call health#report_info('Ruby: '. s:system(['ruby', '-v'])) + + let [host, err] = provider#ruby#Detect() + if empty(host) + call health#report_warn('`neovim-ruby-host` not found.', + \ ['Run `gem install neovim` to ensure the neovim RubyGem is installed.', + \ 'Run `gem environment` to ensure the gem bin directory is in $PATH.', + \ 'If you are using rvm/rbenv/chruby, try "rehashing".', + \ 'See :help g:ruby_host_prog for non-standard gem installations.', + \ 'You may disable this provider (and warning) by adding `let g:loaded_ruby_provider = 0` to your init.vim']) + return + endif + call health#report_info('Host: '. host) + + let latest_gem_cmd = has('win32') ? 'cmd /c gem list -ra "^^neovim$"' : 'gem list -ra ^neovim$' + let latest_gem = s:system(split(latest_gem_cmd)) + if s:shell_error || empty(latest_gem) + call health#report_error('Failed to run: '. latest_gem_cmd, + \ ["Make sure you're connected to the internet.", + \ 'Are you behind a firewall or proxy?']) + return + endif + let latest_gem = get(split(latest_gem, 'neovim (\|, \|)$' ), 0, 'not found') + + let current_gem_cmd = [host, '--version'] + let current_gem = s:system(current_gem_cmd) + if s:shell_error + call health#report_error('Failed to run: '. join(current_gem_cmd), + \ ['Report this issue with the output of: ', join(current_gem_cmd)]) + return + endif + + if v:lua.vim.version.lt(current_gem, latest_gem) + call health#report_warn( + \ printf('Gem "neovim" is out-of-date. Installed: %s, latest: %s', + \ current_gem, latest_gem), + \ ['Run in shell: gem update neovim']) + else + call health#report_ok('Latest "neovim" gem is installed: '. current_gem) + endif +endfunction + +function! s:check_node() abort + call health#report_start('Node.js provider (optional)') + + if s:disabled_via_loaded_var('node') + return + endif + + if !executable('node') || (!executable('npm') && !executable('yarn') && !executable('pnpm')) + call health#report_warn( + \ '`node` and `npm` (or `yarn`, `pnpm`) must be in $PATH.', + \ ['Install Node.js and verify that `node` and `npm` (or `yarn`, `pnpm`) commands work.']) + return + endif + let node_v = get(split(s:system(['node', '-v']), "\n"), 0, '') + call health#report_info('Node.js: '. node_v) + if s:shell_error || v:lua.vim.version.lt(node_v[1:], '6.0.0') + call health#report_warn('Nvim node.js host does not support Node '.node_v) + " Skip further checks, they are nonsense if nodejs is too old. + return + endif + if !provider#node#can_inspect() + call health#report_warn('node.js on this system does not support --inspect-brk so $NVIM_NODE_HOST_DEBUG is ignored.') + endif + + let [host, err] = provider#node#Detect() + if empty(host) + call health#report_warn('Missing "neovim" npm (or yarn, pnpm) package.', + \ ['Run in shell: npm install -g neovim', + \ 'Run in shell (if you use yarn): yarn global add neovim', + \ 'Run in shell (if you use pnpm): pnpm install -g neovim', + \ 'You may disable this provider (and warning) by adding `let g:loaded_node_provider = 0` to your init.vim']) + return + endif + call health#report_info('Nvim node.js host: '. host) + + let manager = 'npm' + if executable('yarn') + let manager = 'yarn' + elseif executable('pnpm') + let manager = 'pnpm' + endif + + let latest_npm_cmd = has('win32') ? + \ 'cmd /c '. manager .' info neovim --json' : + \ manager .' info neovim --json' + let latest_npm = s:system(split(latest_npm_cmd)) + if s:shell_error || empty(latest_npm) + call health#report_error('Failed to run: '. latest_npm_cmd, + \ ["Make sure you're connected to the internet.", + \ 'Are you behind a firewall or proxy?']) + return + endif + try + let pkg_data = json_decode(latest_npm) + catch /E474/ + return 'error: '.latest_npm + endtry + let latest_npm = get(get(pkg_data, 'dist-tags', {}), 'latest', 'unable to parse') + + let current_npm_cmd = ['node', host, '--version'] + let current_npm = s:system(current_npm_cmd) + if s:shell_error + call health#report_error('Failed to run: '. join(current_npm_cmd), + \ ['Report this issue with the output of: ', join(current_npm_cmd)]) + return + endif + + if latest_npm !=# 'unable to parse' && v:lua.vim.version.lt(current_npm, latest_npm) + call health#report_warn( + \ printf('Package "neovim" is out-of-date. Installed: %s, latest: %s', + \ current_npm, latest_npm), + \ ['Run in shell: npm install -g neovim', + \ 'Run in shell (if you use yarn): yarn global add neovim', + \ 'Run in shell (if you use pnpm): pnpm install -g neovim']) + else + call health#report_ok('Latest "neovim" npm/yarn/pnpm package is installed: '. current_npm) + endif +endfunction + +function! s:check_perl() abort + call health#report_start('Perl provider (optional)') + + if s:disabled_via_loaded_var('perl') + return + endif + + let [perl_exec, perl_warnings] = provider#perl#Detect() + if empty(perl_exec) + if !empty(perl_warnings) + call health#report_warn(perl_warnings, ['See :help provider-perl for more information.', + \ 'You may disable this provider (and warning) by adding `let g:loaded_perl_provider = 0` to your init.vim']) + else + call health#report_warn('No usable perl executable found') + endif + return + endif + + call health#report_info('perl executable: '. perl_exec) + + " we cannot use cpanm that is on the path, as it may not be for the perl + " set with g:perl_host_prog + call s:system([perl_exec, '-W', '-MApp::cpanminus', '-e', '']) + if s:shell_error + return [perl_exec, '"App::cpanminus" module is not installed'] + endif + + let latest_cpan_cmd = [perl_exec, + \ '-MApp::cpanminus::fatscript', '-e', + \ 'my $app = App::cpanminus::script->new; + \ $app->parse_options ("--info", "-q", "Neovim::Ext"); + \ exit $app->doit'] + + let latest_cpan = s:system(latest_cpan_cmd) + if s:shell_error || empty(latest_cpan) + call health#report_error('Failed to run: '. join(latest_cpan_cmd, " "), + \ ["Make sure you're connected to the internet.", + \ 'Are you behind a firewall or proxy?']) + return + elseif latest_cpan[0] ==# '!' + let cpanm_errs = split(latest_cpan, '!') + if cpanm_errs[0] =~# "Can't write to " + call health#report_warn(cpanm_errs[0], cpanm_errs[1:-2]) + " Last line is the package info + let latest_cpan = cpanm_errs[-1] + else + call health#report_error('Unknown warning from command: ' . latest_cpan_cmd, cpanm_errs) + return + endif + endif + let latest_cpan = matchstr(latest_cpan, '\(\.\?\d\)\+') + if empty(latest_cpan) + call health#report_error('Cannot parse version number from cpanm output: ' . latest_cpan) + return + endif + + let current_cpan_cmd = [perl_exec, '-W', '-MNeovim::Ext', '-e', 'print $Neovim::Ext::VERSION'] + let current_cpan = s:system(current_cpan_cmd) + if s:shell_error + call health#report_error('Failed to run: '. join(current_cpan_cmd), + \ ['Report this issue with the output of: ', join(current_cpan_cmd)]) + return + endif + + if v:lua.vim.version.lt(current_cpan, latest_cpan) + call health#report_warn( + \ printf('Module "Neovim::Ext" is out-of-date. Installed: %s, latest: %s', + \ current_cpan, latest_cpan), + \ ['Run in shell: cpanm -n Neovim::Ext']) + else + call health#report_ok('Latest "Neovim::Ext" cpan module is installed: '. current_cpan) + endif +endfunction + +function! health#provider2#check() abort + call s:check_python() + call s:check_virtualenv() + call s:check_ruby() + call s:check_node() + call s:check_perl() +endfunction |