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send-email: format 2822 datestring ourselves.

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It is not worth trying to force C locale (and failing) just to
format the 2822 datestring.

This code was borrowed from /usr/bin/822-date (Ian Jackson and
Klee Dienes, both in public domain), per suggestion by Eric Wong.

Signed-off-by: Junio C Hamano <junkio@cox.net>
Acked-by: Jakub Narebski <jnareb@gmail.com>
This commit is contained in:
Jakub Narebski 2006-07-07 20:57:55 +02:00 committed by Junio C Hamano
parent c9c95bbc9c
commit 6bdca89057
1 changed files with 38 additions and 3 deletions
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41
git-send-email.perl
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@ -34,8 +34,43 @@ sub readline {
package main;
# most mail servers generate the Date: header, but not all...
$ENV{LC_ALL} = 'C';
use POSIX qw/strftime/;
sub format_2822_time {
my ($time) = @_;
my @localtm = localtime($time);
my @gmttm = gmtime($time);
my $localmin = $localtm[1] + $localtm[2] * 60;
my $gmtmin = $gmttm[1] + $gmttm[2] * 60;
if ($localtm[0] != $gmttm[0]) {
die "local zone differs from GMT by a non-minute interval\n";
}
if ((($gmttm[6] + 1) % 7) == $localtm[6]) {
$localmin += 1440;
} elsif ((($gmttm[6] - 1) % 7) == $localtm[6]) {
$localmin -= 1440;
} elsif ($gmttm[6] != $localtm[6]) {
die "local time offset greater than or equal to 24 hours\n";
}
my $offset = $localmin - $gmtmin;
my $offhour = $offset / 60;
my $offmin = abs($offset % 60);
if (abs($offhour) >= 24) {
die ("local time offset greater than or equal to 24 hours\n");
}
return sprintf("%s, %2d %s %d %02d:%02d:%02d %s%02d%02d",
qw(Sun Mon Tue Wed Thu Fri Sat)[$localtm[6]],
$localtm[3],
qw(Jan Feb Mar Apr May Jun
Jul Aug Sep Oct Nov Dec)[$localtm[4]],
$localtm[5]+1900,
$localtm[2],
$localtm[1],
$localtm[0],
($offset >= 0) ? '+' : '-',
abs($offhour),
$offmin,
);
}
my $have_email_valid = eval { require Email::Valid; 1 };
my $smtp;
@ -387,7 +422,7 @@ sub send_message
my @recipients = unique_email_list(@to);
my $to = join (",\n\t", @recipients);
@recipients = unique_email_list(@recipients,@cc,@bcclist);
my $date = strftime('%a, %d %b %Y %H:%M:%S %z', localtime($time++));
my $date = format_2822_time($time++);
my $gitversion = '@@GIT_VERSION@@';
if ($gitversion =~ m/..GIT_VERSION../) {
$gitversion = `git --version`;