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, 8 insertions, 3 deletions

diff --git a/ale_linters/vim/ale_custom_linting_rules.vim b/ale_linters/vim/ale_custom_linting_rules.vim
index 822eb30a..5ca2f149 100644
--- a/ale_linters/vim/ale_custom_linting_rules.vim
+++ b/ale_linters/vim/ale_custom_linting_rules.vim
@@ -22,16 +22,20 @@ function! s:GetALEProjectDir(buffer) abort
     return ale#path#Dirname(ale#path#Dirname(ale#path#Dirname(l:executable)))
 endfunction
 
-function! ale_linters#vim#ale_custom_linting_rules#GetCommand(buffer) abort
-    let l:dir = s:GetALEProjectDir(a:buffer)
+function! ale_linters#vim#ale_custom_linting_rules#GetCwd(buffer) abort
+    let l:executable = ale_linters#vim#ale_custom_linting_rules#GetExecutable(a:buffer)
 
+    return ale#path#Dirname(ale#path#Dirname(ale#path#Dirname(l:executable)))
+endfunction
+
+function! ale_linters#vim#ale_custom_linting_rules#GetCommand(buffer) abort
     let l:temp_dir = ale#command#CreateDirectory(a:buffer)
     let l:temp_file = l:temp_dir . '/example.vim'
 
     let l:lines = getbufline(a:buffer, 1, '$')
     call ale#util#Writefile(a:buffer, l:lines, l:temp_file)
 
-    return ale#path#CdString(l:dir) . '%e ' . ale#Escape(l:temp_dir)
+    return '%e ' . ale#Escape(l:temp_dir)
 endfunction
 
 function! ale_linters#vim#ale_custom_linting_rules#Handle(buffer, lines) abort
@@ -59,6 +63,7 @@ endfunction
 call ale#linter#Define('vim', {
 \   'name': 'ale_custom_linting_rules',
 \   'executable': function('ale_linters#vim#ale_custom_linting_rules#GetExecutable'),
+\   'cwd': function('ale_linters#vim#ale_custom_linting_rules#GetCwd'),
 \   'command': function('ale_linters#vim#ale_custom_linting_rules#GetCommand'),
 \   'callback': 'ale_linters#vim#ale_custom_linting_rules#Handle',
 \   'read_buffer': 0,