Whitelist TERMINFO environment variable #5445
An alternative solution is to place termcap files under
If readline was actually being used, this would probably lead to weird behavior like backspace not working etc, as ncurses would not know how to interact with the terminal.
I traced this message to the initialization of libedit (terminal.c). As you can see, it is written when ncurses does not find a termcap for the current
As mentioned in the OP, readline is transitively required by debrew.rb.