Using a YYYYmmddHHMMSS date representation is more meaningful to
humans, especially when used for lookups on NNTP servers or linking
to archive sites via Message-ID (e.g. mid.gmane.org or
mid.mail-archive.com). This timestamp format more easily gives a
reader of the URL itself a rough date of a linked message compared
to having them calculate the seconds since the Unix epoch.
Furthermore, having the MUA name in the Message-ID seems to be a
rare oddity I haven't noticed outside of git-send-email. We
already have an optional X-Mailer header field to advertise for
us, so extending the Message-ID by 15 characters can make for
unpleasant Message-ID-based URLs to archive sites.
Signed-off-by: Eric Wong <normalper...@yhbt.net>
---
git-send-email.perl | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/git-send-email.perl b/git-send-email.perl
index d356901..23141e7 100755
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -949,7 +949,8 @@ my ($message_id_stamp, $message_id_serial);
sub make_message_id {
my $uniq;
if (!defined $message_id_stamp) {
- $message_id_stamp = sprintf("%s-%s", time, $$);
+ use POSIX qw/strftime/;
+ $message_id_stamp = strftime("%Y%m%d%H%M%S.$$", gmtime(time));
$message_id_serial = 0;
}
$message_id_serial++;
@@ -964,7 +965,7 @@ sub make_message_id {
require Sys::Hostname;
$du_part = 'user@' . Sys::Hostname::hostname();
}
- my $message_id_template = "<%s-git-send-email-%s>";
+ my $message_id_template = "<%s-%s>";
$message_id = sprintf($message_id_template, $uniq, $du_part);
#print "new message id = $message_id\n"; # Was useful for debugging
}
--
EW
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