Fix highlighting

lua/hardline.lua

@@ -113,7 +113,7 @@ local function get_section_state(section)
     end
     return state
   end
-  return ''
+  return common.is_active() and 'active' or 'inactive'
 end
 
 local function highlight_section(section)

lua/hardline/bufferline.lua

@@ -1,7 +1,7 @@
 local fn, vim = vim.fn, vim
 local fmt = string.format
 
-local function exclude(bufnr)
+local function is_excluded(bufnr)
   return fn.buflisted(bufnr) == 0 or fn.getbufvar(bufnr, '&filetype') == 'qf'
 end
 
@@ -61,7 +61,7 @@ end
 local function get_buffers()
   local buffers = {}
   for nr = 1, fn.bufnr('$') do
-    if not exclude(nr) then
+    if not is_excluded(nr) then
       table.insert(buffers, {
         bufnr = nr,
         name = fn.fnamemodify(fn.bufname(nr), ':t'),