Optimise ale#Var a little

autoload/ale.vim

@@ -191,15 +191,12 @@ endfunction
 "
 " Every variable name will be prefixed with 'ale_'.
 function! ale#Var(buffer, variable_name) abort
-    let l:nr = str2nr(a:buffer)
     let l:full_name = 'ale_' . a:variable_name
+    let l:vars = getbufvar(str2nr(a:buffer), '', 0)
 
-    if bufexists(l:nr)
-        let l:vars = getbufvar(l:nr, '')
-    elseif has_key(g:, 'ale_fix_buffer_data')
-        let l:vars = get(g:ale_fix_buffer_data, l:nr, {'vars': {}}).vars
-    else
-        let l:vars = {}
+    if l:vars is 0
+        " Look for variables from deleted buffers, saved from :ALEFix
+        let l:vars = get(get(g:ale_fix_buffer_data, a:buffer, {}), 'vars', {})
     endif
 
     return get(l:vars, l:full_name, g:[l:full_name])

autoload/ale/fix.vim

@@ -1,10 +1,3 @@
-" This global Dictionary tracks the ALE fix data for jobs, etc.
-" This Dictionary should not be accessed outside of the plugin. It is only
-" global so it can be modified in Vader tests.
-if !has_key(g:, 'ale_fix_buffer_data')
-    let g:ale_fix_buffer_data = {}
-endif
-
 if !has_key(s:, 'job_info_map')
     let s:job_info_map = {}
 endif

plugin/ale.vim

@@ -44,6 +44,8 @@ endif
 " This global variable is used internally by ALE for tracking information for
 " each buffer which linters are being run against.
 let g:ale_buffer_info = {}
+" This global Dictionary tracks data for fixing code. Don't mess with it.
+let g:ale_fix_buffer_data = {}
 
 " User Configuration
 

test/test_ale_var.vader

@@ -34,8 +34,3 @@ Execute(ale#Var should return the global variable for unknown variables):
   let g:ale_fix_buffer_data = {}
 
   AssertEqual 'abc', ale#Var(1347347, 'some_variable')
-
-Execute(ale#Var should return the global variables when the ALE fix variable is undefined):
-  unlet! g:ale_fix_buffer_data
-
-  AssertEqual 'abc', ale#Var(1347347, 'some_variable')