From d56f199405728f703216db10690f70a2387f25ab Mon Sep 17 00:00:00 2001
From: eximus <fabio4335@gmail.com>
Date: Fri, 28 Oct 2022 14:34:04 -0400
Subject: [PATCH] Use the coc status variable to format error/warning line
 number

---
 autoload/airline/extensions/coc.vim | 9 +++++++--
 doc/airline.txt                     | 6 ++++++
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/autoload/airline/extensions/coc.vim b/autoload/airline/extensions/coc.vim
index 38417116..79d3a4af 100644
--- a/autoload/airline/extensions/coc.vim
+++ b/autoload/airline/extensions/coc.vim
@@ -20,18 +20,23 @@ function! airline#extensions#coc#get(type) abort
   if !exists(':CocCommand')
     return ''
   endif
-  let _backup = get(g:, 'coc_stl_format', '')
+
   let is_err = (a:type  is# 'error')
   let info = get(b:, 'coc_diagnostic_info', {})
   if empty(info) | return '' | endif
 
+ if is_err
+    let format = get(g:, 'airline#extensions#coc#stl_format_err', '(L%d)')
+  else
+    let format = get(g:, 'airline#extensions#coc#stl_format_warn', '(L%d)')
+  endif
 
   let cnt = get(info, a:type, 0)
 
   if empty(cnt)
     return ''
   else
-    let lnum = printf('(L%d)', (info.lnums)[is_err ? 0 : 1])
+    let lnum = printf(format, (info.lnums)[is_err ? 0 : 1])
     return (is_err ? s:error_symbol : s:warning_symbol).cnt.lnum
   endif
 endfunction
diff --git a/doc/airline.txt b/doc/airline.txt
index e03092a9..46efdb51 100644
--- a/doc/airline.txt
+++ b/doc/airline.txt
@@ -649,6 +649,12 @@ coc <https://github.com/neoclide/coc.nvim>
 <
 * enable/disable coc status display >
   g:airline#extensions#coc#show_coc_status = 1
+
+* change the error format: >
+  let airline#extensions#coc#stl_format_err = '(L%d)'
+<
+* change the warning format: >
+  let airline#extensions#coc#stl_format_warn = '(L%d)'
 <
 -------------------------------------                    *airline-commandt*
 command-t <https://github.com/wincent/command-t>