gracefully handle nil input in argparse.stringList

2023-12-31 01:17:42 -08:00 · 2023-12-31 01:17:42 -08:00 · 02c692150b
parent a970161585
commit 02c692150b
1 changed files with 1 additions and 1 deletions
--- a/library/lua/argparse.lua
+++ b/library/lua/argparse.lua
@ -130,7 +130,7 @@ end

 function stringList(arg, arg_name, list_length)
    if not list_length then list_length = 0 end
-    local list = arg:split(',')
+    local list = arg and (arg):split(',') or {}
    if list_length > 0 and #list ~= list_length then
        arg_error(arg_name,
                  'expected %d elements; found %d', list_length, #list)