send-email: lazy-load Email::Valid and make it optional

It's not installed on enough machines, and is overkill most of
the time.  We'll fallback to a very basic regexp just in case,
but nothing like the monster regexp Email::Valid has to offer :)

Small cleanup from Merlyn.

Signed-off-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Eric Wong 2006-03-25 16:47:12 -08:00 committed by Junio C Hamano
parent a5370b16c3
commit 567ffeb772

View File

@ -22,12 +22,12 @@ use Term::ReadLine;
use Getopt::Long;
use Data::Dumper;
use Net::SMTP;
use Email::Valid;
# most mail servers generate the Date: header, but not all...
$ENV{LC_ALL} = 'C';
use POSIX qw/strftime/;
my $have_email_valid = eval { require Email::Valid; 1 };
my $smtp;
sub unique_email_list(@);
@ -250,6 +250,16 @@ EOT
# Variables we set as part of the loop over files
our ($message_id, $cc, %mail, $subject, $reply_to, $message);
sub extract_valid_address {
my $address = shift;
if ($have_email_valid) {
return Email::Valid->address($address);
} else {
# less robust/correct than the monster regexp in Email::Valid,
# but still does a 99% job, and one less dependency
return ($address =~ /([^\"<>\s]+@[^<>\s]+)/);
}
}
# Usually don't need to change anything below here.
@ -259,7 +269,7 @@ our ($message_id, $cc, %mail, $subject, $reply_to, $message);
# 1 second since the last time we were called.
# We'll setup a template for the message id, using the "from" address:
my $message_id_from = Email::Valid->address($from);
my $message_id_from = extract_valid_address($from);
my $message_id_template = "<%s-git-send-email-$message_id_from>";
sub make_message_id
@ -413,7 +423,7 @@ sub unique_email_list(@) {
my @emails;
foreach my $entry (@_) {
my $clean = Email::Valid->address($entry);
my $clean = extract_valid_address($entry);
next if $seen{$clean}++;
push @emails, $entry;
}