#505 - Do not lint files on enter if the option for linting when the filetype changed is on

1 files changed, 7 insertions, 1 deletions

diff --git a/autoload/ale/events.vim b/autoload/ale/events.vim
index a3b74677..efae11c1 100644
--- a/autoload/ale/events.vim
+++ b/autoload/ale/events.vim
@@ -33,7 +33,13 @@ endfunction
 function! ale#events#FileTypeEvent(buffer, new_filetype) abort
     let l:filetype = getbufvar(a:buffer, 'ale_original_filetype', '')
 
-    if a:new_filetype isnot# l:filetype
+    " If we're setting the filetype for the first time after it was blank,
+    " and the option for linting on enter is off, then we should set this
+    " filetype as the original filetype. Otherwise ALE will still appear to
+    " lint files because of the BufEnter event, etc.
+    if empty(l:filetype) && !ale#Var(a:buffer, 'lint_on_enter')
+        call setbufvar(a:buffer, 'ale_original_filetype', a:new_filetype)
+    elseif a:new_filetype isnot# l:filetype
         call ale#Queue(300, 'lint_file', a:buffer)
     endif
 endfunction