CheckHealth: more checks

runtime/autoload/health.vim

@@ -26,6 +26,7 @@ function! health#check(plugin_names) abort
         \ : s:to_fn_names(a:plugin_names)
 
   tabnew
+  setlocal wrap breakindent
   setlocal filetype=markdown bufhidden=wipe
   call s:enhance_syntax()
 
@@ -35,7 +36,7 @@ function! health#check(plugin_names) abort
     redraw|echo 'Running healthchecks...'
     for c in healthchecks
       let output = ''
-      call append('$', split(printf("\n%s\n%s", c, repeat('=',80)), "\n"))
+      call append('$', split(printf("\n%s\n%s", c, repeat('=',72)), "\n"))
       try
         let output = "\n\n".execute('call '.c.'()')
       catch

runtime/autoload/health/nvim.vim

@@ -1,5 +1,7 @@
+let s:suggest_faq = 'See https://github.com/neovim/neovim/wiki/FAQ'
+
 " Load the remote plugin manifest file and check for unregistered plugins
-function! s:check_manifest() abort
+function! s:check_rplugin_manifest() abort
   call health#report_start('Remote Plugins')
   let existing_rplugins = {}
 
@@ -57,17 +59,36 @@ function! s:check_manifest() abort
   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 configuration')
-  let suggestions = ["Set escape-time in ~/.tmux.conf: set-option -sg escape-time 10",
-        \ 'See https://github.com/neovim/neovim/wiki/FAQ']
+  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)
@@ -76,7 +97,16 @@ function! s:check_tmux() abort
     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')
+    call health#report_ok('escape-time: '.tmux_esc_time.'ms')
+  endif
+
+  " check $TERM
+  call health#report_info('$TERM: '.$TERM)
+  if $TERM !~# '\v(tmux-256color|screen-256color)'
+    call health#report_error(
+          \ '$TERM should be "screen-256color" or "tmux-256color" when running tmux.',
+          \ ["Set default-terminal in ~/.tmux.conf:\nset-option -g default-terminal \"screen-256color\"",
+          \  s:suggest_faq])
   endif
 endfunction
 
@@ -90,7 +120,7 @@ function! s:check_terminfo() abort
         \   .'infocmp $TERM | sed ''s/kbs=^[hH]/kbs=\\177/'' > $TERM.ti'
         \   ."\n"
         \   .'tic $TERM.ti',
-        \ 'See https://github.com/neovim/neovim/wiki/FAQ']
+        \ s:suggest_faq]
   let cmd = 'infocmp -L'
   let out = system(cmd)
   let kbs_entry = matchstr(out, 'key_backspace=\S*')
@@ -107,7 +137,8 @@ function! s:check_terminfo() abort
 endfunction
 
 function! health#nvim#check() abort
-  call s:check_manifest()
+  call s:check_rplugin_manifest()
+  call s:check_performance()
   call s:check_tmux()
   call s:check_terminfo()
 endfunction

src/nvim/eval.c

@@ -10669,7 +10669,7 @@ static void f_has(typval_T *argvars, typval_T *rettv, FunPtr fptr)
       } else {
         n = has_vim_patch(atoi(name + 5));
       }
-    } else if (STRNICMP(name, "nvim", 4) == 0 && name[4] == '-') {
+    } else if (STRNICMP(name, "nvim-", 5) == 0) {
       // Expect "nvim-x.y.z"
       n = has_nvim_version(name + 5);
     } else if (STRICMP(name, "vim_starting") == 0) {

test/functional/plugin/health_spec.lua

@@ -47,7 +47,7 @@ describe('health.vim', function()
       helpers.expect([[
 
         health#success1#check
-        ================================================================================
+        ========================================================================
         ## report 1
           - SUCCESS: everything is fine
 
@@ -55,7 +55,7 @@ describe('health.vim', function()
           - SUCCESS: nothing to see here
 
         health#success2#check
-        ================================================================================
+        ========================================================================
         ## another 1
           - SUCCESS: ok
         ]])
@@ -66,7 +66,7 @@ describe('health.vim', function()
       helpers.expect([[
 
         health#broken#check
-        ================================================================================
+        ========================================================================
           - ERROR: Failed to run healthcheck for "broken" plugin. Exception:
             caused an error
         ]])
@@ -77,7 +77,7 @@ describe('health.vim', function()
       helpers.expect([[
 
         health#non_existent_healthcheck#check
-        ================================================================================
+        ========================================================================
           - ERROR: No healthcheck found for "non_existent_healthcheck" plugin.
         ]])
     end)