How about doing this instead?
* Move call to make_message_id() to where it matters, namely,
before the $message_id is needed to be placed in the
generated e-mail header; this has an important side effect of
making it clear that $from is already available.
* Throw in Sys::Hostname::hostname() just for fun, although I
suspect that the code would never trigger due to the modified
call sequence that makes sure $from is always available.
---
diff --git a/git-send-email.perl b/git-send-email.perl
index 7c0c90b..9f75551 100755
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -412,13 +412,21 @@ sub extract_valid_address {
# 1 second since the last time we were called.
# We'll setup a template for the message id, using the "from" address:
-my $message_id_from = extract_valid_address($from);
-my $message_id_template = "<%s-git-send-email-$message_id_from>";
sub make_message_id
{
my $date = time;
my $pseudo_rand = int (rand(4200));
+ my $du_part;
+ for ($from, $committer, $author) {
+ $du_part = extract_valid_address($_);
+ last if ($du_part ne '');
+ }
+ if ($du_part eq '') {
+ use Sys::Hostname qw();
+ $du_part = 'user@' . Sys::Hostname::hostname();
+ }
+ my $message_id_template = "<%s-git-send-email-$du_part>";
$message_id = sprintf $message_id_template, "$date$pseudo_rand";
#print "new message id = $message_id\n"; # Was useful for debugging
}
@@ -467,6 +475,8 @@ sub send_message
$ccline = "\nCc: $cc";
}
$from = sanitize_address_rfc822($from);
+ make_message_id();
+
my $header = "From: $from
To: $to${ccline}
Subject: $subject
@@ -533,7 +543,6 @@ X-Mailer: git-send-email $gitversion
$reply_to = $initial_reply_to;
$references = $initial_reply_to || '';
-make_message_id();
$subject = $initial_subject;
foreach my $t (@files) {
@@ -627,7 +636,6 @@ foreach my $t (@files) {
$references = "$message_id";
}
}
- make_message_id();
}
if ($compose) {
-
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