Allow b:ale_fixers to be used

autoload/ale/fix.vim

@@ -235,10 +235,11 @@ function! s:RunFixer(options) abort
 endfunction
 
 function! s:GetCallbacks() abort
+    let l:fixers = ale#Var(bufnr(''), 'fixers')
     let l:callback_list = []
 
     for l:sub_type in split(&filetype, '\.')
-        let l:sub_type_callacks = get(g:ale_fixers, l:sub_type, [])
+        let l:sub_type_callacks = get(l:fixers, l:sub_type, [])
 
         if type(l:sub_type_callacks) == type('')
             call add(l:callback_list, l:sub_type_callacks)

test/test_ale_fix.vader

@@ -37,6 +37,7 @@ After:
   Restore
   unlet! g:ale_run_synchronously
   unlet! g:ale_emulate_job_failure
+  unlet! b:ale_fixers
   delfunction AddCarets
   delfunction AddDollars
   delfunction DoNothing
@@ -175,3 +176,12 @@ Expect(There should be an extra line):
   b
   c
   d
+
+Execute(ALEFix should user buffer-local fixer settings):
+  let g:ale_fixers.testft = ['AddCarets', 'AddDollars']
+  let b:ale_fixers = {'testft': ['RemoveLastLine']}
+  ALEFix
+
+Expect(There should be only two lines):
+  a
+  b