Fix #1687 - Parse highlights when verbose > 0

autoload/ale/sign.vim

@@ -45,25 +45,23 @@ if !hlexists('ALESignColumnWithErrors')
     highlight link ALESignColumnWithErrors error
 endif
 
+function! ale#sign#SetUpDefaultColumnWithoutErrorsHighlight() abort
+    redir => l:output
+        0verbose silent highlight SignColumn
+    redir end
+
+    let l:highlight_syntax = join(split(l:output)[2:])
+    let l:match = matchlist(l:highlight_syntax, '\vlinks to (.+)$')
+
+    if !empty(l:match)
+        execute 'highlight link ALESignColumnWithoutErrors ' . l:match[1]
+    elseif l:highlight_syntax isnot# 'cleared'
+        execute 'highlight ALESignColumnWithoutErrors ' . l:highlight_syntax
+    endif
+endfunction
+
 if !hlexists('ALESignColumnWithoutErrors')
-    function! s:SetSignColumnWithoutErrorsHighlight() abort
-        redir => l:output
-            silent highlight SignColumn
-        redir end
-
-        let l:highlight_syntax = join(split(l:output)[2:])
-
-        let l:match = matchlist(l:highlight_syntax, '\vlinks to (.+)$')
-
-        if !empty(l:match)
-            execute 'highlight link ALESignColumnWithoutErrors ' . l:match[1]
-        elseif l:highlight_syntax isnot# 'cleared'
-            execute 'highlight ALESignColumnWithoutErrors ' . l:highlight_syntax
-        endif
-    endfunction
-
-    call s:SetSignColumnWithoutErrorsHighlight()
-    delfunction s:SetSignColumnWithoutErrorsHighlight
+    call ale#sign#SetUpDefaultColumnWithoutErrorsHighlight()
 endif
 
 " Signs show up on the left for error markers.

test/sign/test_sign_column_highlighting.vader

@@ -1,12 +1,13 @@
 Before:
   Save g:ale_change_sign_column_color
+  Save &verbose
 
   function! ParseHighlight(name) abort
     redir => l:output
       silent execute 'highlight ' . a:name
     redir end
 
-    return join(split(l:output)[2:])
+    return substitute(join(split(l:output)[2:]), ' Last set.*', '', '')
   endfunction
 
   function! SetHighlight(name, syntax) abort
@@ -53,3 +54,15 @@ Execute(The SignColumn highlight should be set and reset):
 
   call ale#sign#SetSigns(bufnr(''), [])
   AssertEqual 'links to ALESignColumnWithoutErrors', ParseHighlight('SignColumn')
+
+Execute(The SignColumn should be correctly parsed when verbose=1):
+  set verbose=1
+  highlight SignColumn ctermfg=246 ctermbg=7 guifg=#839496 guibg=Grey
+
+  call ale#sign#SetUpDefaultColumnWithoutErrorsHighlight()
+
+  AssertEqual
+  \ has('nvim')
+  \   ? 'ctermfg=246 ctermbg=7 guifg=#839496 guibg=Grey'
+  \   : 'term=standout ctermfg=246 ctermbg=7 guifg=#839496 guibg=Grey',
+  \ ParseHighlight('ALESignColumnWithoutErrors')