Close #2281 - Separate cwd commands from commands

Working directories are now set seperately from the commands so they
can later be swapped out when running linters over projects is
supported, and also better support filename mapping for running linters
on other machines in future.

1 files changed, 2 insertions, 9 deletions

diff --git a/ale_linters/elixir/mix.vim b/ale_linters/elixir/mix.vim
index abf5d0aa..948c6d36 100644
--- a/ale_linters/elixir/mix.vim
+++ b/ale_linters/elixir/mix.vim
@@ -30,22 +30,15 @@ function! ale_linters#elixir#mix#Handle(buffer, lines) abort
 endfunction
 
 function! ale_linters#elixir#mix#GetCommand(buffer) abort
-    let l:project_root = ale#handlers#elixir#FindMixProjectRoot(a:buffer)
-
     let l:temp_dir = ale#command#CreateDirectory(a:buffer)
 
-    let l:mix_build_path = has('win32')
-    \   ? 'set MIX_BUILD_PATH=' . ale#Escape(l:temp_dir) . ' &&'
-    \   : 'MIX_BUILD_PATH=' . ale#Escape(l:temp_dir)
-
-    return ale#path#CdString(l:project_root)
-    \ . l:mix_build_path
-    \ . ' mix compile %s'
+    return ale#Env('MIX_BUILD_PATH', l:temp_dir) . 'mix compile %s'
 endfunction
 
 call ale#linter#Define('elixir', {
 \   'name': 'mix',
 \   'executable': 'mix',
+\   'cwd': function('ale#handlers#elixir#FindMixProjectRoot'),
 \   'command': function('ale_linters#elixir#mix#GetCommand'),
 \   'callback': 'ale_linters#elixir#mix#Handle',
 \   'lint_file': 1,