winbar only with nvim ^>= 0.8

lua/my_options.lua

@@ -61,21 +61,23 @@ opt.foldlevel = 20
 opt.foldmethod = 'expr'
 opt.foldexpr = 'nvim_treesitter#foldexpr()'
 
-local function status_line()
-  local file_name = "%-.32t"
-  local modified = " %-m"
-  local right_align = "%="
-  local line_no = "%10([%l/%L%)]"
-  local pct_thru_file = "%5p%%"
+if vim.version().minor >= 8 then
+  local function status_line()
+    local file_name = "%-.32t"
+    local modified = " %-m"
+    local right_align = "%="
+    local line_no = "%10([%l/%L%)]"
+    local pct_thru_file = "%5p%%"
 
-  return string.format(
-    "%s%s%s%s%s",
-    file_name,
-    modified,
-    right_align,
-    line_no,
-    pct_thru_file
-  )
+    return string.format(
+      "%s%s%s%s%s",
+      file_name,
+      modified,
+      right_align,
+      line_no,
+      pct_thru_file
+    )
+  end
+
+  opt.winbar = status_line()
 end
-
-opt.winbar = status_line()