From 433b23be17095c0211685ff32e25fcdbfffe2ce7 Mon Sep 17 00:00:00 2001
From: Gonzalo Quero <gquero@drwuk.com>
Date: Wed, 2 Sep 2020 13:08:46 +0100
Subject: feat: Add optional configuration file for Credo

---
 ale_linters/elixir/credo.vim | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/ale_linters/elixir/credo.vim b/ale_linters/elixir/credo.vim
index 7c298502..15ebefb5 100644
--- a/ale_linters/elixir/credo.vim
+++ b/ale_linters/elixir/credo.vim
@@ -45,6 +45,16 @@ function! ale_linters#elixir#credo#GetMode() abort
     endif
 endfunction
 
+function! ale_linters#elixir#credo#GetConfigFile() abort
+    let l:config_file = get(g:, 'ale_elixir_credo_config_file', '')
+
+    if len(l:config_file) == 0
+        return ''
+    else
+        return ' --config-file ' . l:config_file
+    endif
+endfunction
+
 function! ale_linters#elixir#credo#GetCommand(buffer) abort
     let l:project_root = ale#handlers#elixir#FindMixUmbrellaRoot(a:buffer)
     let l:mode = ale_linters#elixir#credo#GetMode()
@@ -52,6 +62,7 @@ function! ale_linters#elixir#credo#GetCommand(buffer) abort
     return ale#path#CdString(l:project_root)
     \ . 'mix help credo && '
     \ . 'mix credo ' . ale_linters#elixir#credo#GetMode()
+    \ . ale_linters#elixir#credo#GetConfigFile()
     \ . ' --format=flycheck --read-from-stdin %s'
 endfunction
 
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