From 46affb6153698d9b5678fdb59b5921ffd53aff13 Mon Sep 17 00:00:00 2001
From: Adam Stankiewicz <sheerun@sher.pl>
Date: Wed, 9 Sep 2020 17:50:40 +0200
Subject: Show warning if g:polyglot_disabled is not at the top of .vimrc

---
 ftdetect/polyglot.vim | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'ftdetect')

diff --git a/ftdetect/polyglot.vim b/ftdetect/polyglot.vim
index c5a47471..37a2525e 100644
--- a/ftdetect/polyglot.vim
+++ b/ftdetect/polyglot.vim
@@ -13,6 +13,8 @@ if exists('g:polyglot_disabled')
   for pkg in g:polyglot_disabled
     let s:disabled_packages[pkg] = 1
   endfor
+else
+  let g:polyglot_disabled_not_set = 1
 endif
 
 function! s:SetDefault(name, value)
@@ -1948,6 +1950,20 @@ if !has_key(s:disabled_packages, 'autoindent')
   command! -bar -bang Sleuth call s:detect_indent()
 endif
 
+func! s:verify()
+  if exists("g:polyglot_disabled_not_set")
+    if exists("g:polyglot_disabled")
+      echohl WarningMsg
+      echo "vim-polyglot: g:polyglot_disabled should be at the top of .vimrc"
+      echohl None
+    endif
+
+    unlet g:polyglot_disabled_not_set
+  endif
+endfunc
+
+autocmd VimEnter * call s:verify()
+
 " restore Vi compatibility settings
 let &cpo = s:cpo_save
 unlet s:cpo_save
-- 
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