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send-email: don't attempt to prompt if tty is closed 

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>
This commit is contained in:
Jay Soffian 2009-03-31 12:22:11 -04:00 committed by Junio C Hamano
parent 91286ca61a
commit 5906f54e47
1 changed files with 3 additions and 0 deletions
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git-send-email.perl
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@ -612,6 +612,9 @@ sub ask {
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