FIX: use mix from the project root directory (#1954)

* FIX: use mix from the project root directory
* Move find root project function to autoloaded handlers
* add tests for #ale#handlers#elixr#FindMixProjectRoot

1 files changed, 3 insertions, 13 deletions

diff --git a/ale_linters/elixir/mix.vim b/ale_linters/elixir/mix.vim
index 4552ace5..dc3c1818 100644
--- a/ale_linters/elixir/mix.vim
+++ b/ale_linters/elixir/mix.vim
@@ -29,18 +29,8 @@ function! ale_linters#elixir#mix#Handle(buffer, lines) abort
     return l:output
 endfunction
 
-function! ale_linters#elixir#mix#FindProjectRoot(buffer) abort
-    let l:mix_file = ale#path#FindNearestFile(a:buffer, 'mix.exs')
-
-    if !empty(l:mix_file)
-      return fnamemodify(l:mix_file, ':p:h')
-    endif
-
-    return '.'
-endfunction
-
 function! ale_linters#elixir#mix#GetCommand(buffer) abort
-    let l:project_root = ale_linters#elixir#mix#FindProjectRoot(a:buffer)
+    let l:project_root = ale#handlers#elixir#FindMixProjectRoot(a:buffer)
 
     let l:temp_dir = ale#engine#CreateDirectory(a:buffer)
 
@@ -49,8 +39,8 @@ function! ale_linters#elixir#mix#GetCommand(buffer) abort
     \   : 'MIX_BUILD_PATH=' . ale#Escape(l:temp_dir)
 
     return ale#path#CdString(l:project_root)
-          \ . l:mix_build_path
-          \ . ' mix compile %s'
+    \ . l:mix_build_path
+    \ . ' mix compile %s'
 endfunction
 
 call ale#linter#Define('elixir', {