Attempting to prompt when the tty is closed (typically when running from
cron) is pointless and emits a warning. This patch causes ask() to
return early, squelching the warning.
Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
my $default = $arg{default};
my $resp;
my $i = 0;
+ return defined $default ? $default : undef
+ unless defined $term->IN and defined fileno($term->IN) and
+ defined $term->OUT and defined fileno($term->OUT);
while ($i++ < 10) {
$resp = $term->readline($prompt);
if (!defined $resp) { # EOF