From 33310c5b24f1cb28c255141ca8d4cd00b9ccc18d Mon Sep 17 00:00:00 2001
From: Christian Brabandt <cb@256bit.org>
Date: Fri, 27 Apr 2018 08:25:49 +0200
Subject: [PATCH] whitespace: Allow to disable individual whitespace checks per
 filetype

closes #1716
---
 autoload/airline/extensions/whitespace.vim | 8 +++++---
 doc/airline.txt                            | 8 ++++++++
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/autoload/airline/extensions/whitespace.vim b/autoload/airline/extensions/whitespace.vim
index b3f839eb..ff080304 100644
--- a/autoload/airline/extensions/whitespace.vim
+++ b/autoload/airline/extensions/whitespace.vim
@@ -10,7 +10,7 @@ let s:symbol = get(g:, 'airline#extensions#whitespace#symbol', g:airline_symbols
 let s:default_checks = ['indent', 'trailing', 'mixed-indent-file']
 
 let s:enabled = get(g:, 'airline#extensions#whitespace#enabled', 1)
-let s:skip_check_ft = {'make': ['indent', 'mixed-indent-file'] }
+let s:skip_check_ft = {'make': ['indent', 'mixed-indent-file']}
 
 function! s:check_mixed_indent()
   let indent_algo = get(g:, 'airline#extensions#whitespace#mixed_indent_algo', 0)
@@ -53,6 +53,8 @@ function! airline#extensions#whitespace#check()
           \ || get(b:, 'airline_whitespace_disabled', 0)
     return ''
   endif
+  let skip_check_ft = extend(s:skip_check_ft,
+        \ get(g:, 'airline#extensions#whitespace#skip_indent_check_ft', {}), 'force')
 
   if !exists('b:airline_whitespace_check')
     let b:airline_whitespace_check = ''
@@ -72,13 +74,13 @@ function! airline#extensions#whitespace#check()
 
     let mixed = 0
     let check = 'indent'
-    if index(checks, check) > -1 && index(get(s:skip_check_ft, &ft, []), check) < 0
+    if index(checks, check) > -1 && index(get(skip_check_ft, &ft, []), check) < 0
       let mixed = s:check_mixed_indent()
     endif
 
     let mixed_file = ''
     let check = 'mixed-indent-file'
-    if index(checks, check) > -1 && index(get(s:skip_check_ft, &ft, []), check) < 0
+    if index(checks, check) > -1 && index(get(skip_check_ft, &ft, []), check) < 0
       let mixed_file = s:check_mixed_indent_file()
     endif
 
diff --git a/doc/airline.txt b/doc/airline.txt
index 07973a27..da9feb19 100644
--- a/doc/airline.txt
+++ b/doc/airline.txt
@@ -670,6 +670,14 @@ eclim <https://eclim.org>
   " then whitespace checking will be disabled for that buffer; for example:
   " let b:airline_whitespace_disabled = 1
 <
+* disable specific whitespace checks for individual filetypes >
+  " The global variable g:airline#extensions#whitespace#skip_indent_check_ft
+  " defines what whitespaces checks to skip per filetype.
+  " the list can contain any of the available checks,
+  " (see above at g:airline#extensions#whitespace#checks)
+  " To disable mixed-indent-file for go files use:
+  let g:airline#extensions#whitespace#skip_indent_check_ft = {'go': ['mixed-indent-file']}
+<  
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