rebase: support -X to pass through strategy options
[gitweb.git] / git-send-email.perl
index ce569a9c8f964b3cdc8920325bc817141035c2c3..6dab3bf6a74bb52c7294e33dbac5bf87b51a9fdf 100755 (executable)
@@ -54,6 +54,7 @@ sub usage {
     --in-reply-to           <str>  * Email "In-Reply-To:"
     --annotate                     * Review each patch that will be sent in an editor.
     --compose                      * Open an editor for introduction.
+    --8bit-encoding         <str>  * Encoding to assume 8bit mails if undeclared
 
   Sending:
     --envelope-sender       <str>  * Email envelope sender.
@@ -132,8 +133,6 @@ sub format_2822_time {
 my $have_mail_address = eval { require Mail::Address; 1 };
 my $smtp;
 my $auth;
-my $mail_domain_default = "localhost.localdomain";
-my $mail_domain;
 
 sub unique_email_list(@);
 sub cleanup_compose_files();
@@ -190,9 +189,10 @@ sub do_edit {
 # Variables with corresponding config settings
 my ($thread, $chain_reply_to, $suppress_from, $signed_off_by_cc, $cc_cmd);
 my ($smtp_server, $smtp_server_port, $smtp_authuser, $smtp_encryption);
-my ($identity, $aliasfiletype, @alias_files, @smtp_host_parts);
+my ($identity, $aliasfiletype, @alias_files, @smtp_host_parts, $smtp_domain);
 my ($validate, $confirm);
 my (@suppress_cc);
+my ($auto_8bit_encoding);
 
 my ($debug_net_smtp) = 0;              # Net::SMTP, see send_message()
 
@@ -212,6 +212,7 @@ sub do_edit {
     "smtpserverport" => \$smtp_server_port,
     "smtpuser" => \$smtp_authuser,
     "smtppass" => \$smtp_authpass,
+       "smtpdomain" => \$smtp_domain,
     "to" => \@to,
     "cc" => \@initial_cc,
     "cccmd" => \$cc_cmd,
@@ -223,6 +224,7 @@ sub do_edit {
     "multiedit" => \$multiedit,
     "confirm"   => \$confirm,
     "from" => \$sender,
+    "assume8bitencoding" => \$auto_8bit_encoding,
 );
 
 # Help users prepare for 1.7.0
@@ -283,7 +285,7 @@ sub signal_handler {
                    "smtp-ssl" => sub { $smtp_encryption = 'ssl' },
                    "smtp-encryption=s" => \$smtp_encryption,
                    "smtp-debug:i" => \$debug_net_smtp,
-                   "smtp-domain:s" => \$mail_domain,
+                   "smtp-domain:s" => \$smtp_domain,
                    "identity=s" => \$identity,
                    "annotate" => \$annotate,
                    "compose" => \$compose,
@@ -298,6 +300,7 @@ sub signal_handler {
                    "thread!" => \$thread,
                    "validate!" => \$validate,
                    "format-patch!" => \$format_patch,
+                   "8bit-encoding=s" => \$auto_8bit_encoding,
         );
 
 unless ($rc) {
@@ -670,6 +673,35 @@ sub ask {
        return undef;
 }
 
+my %broken_encoding;
+
+sub file_declares_8bit_cte($) {
+       my $fn = shift;
+       open (my $fh, '<', $fn);
+       while (my $line = <$fh>) {
+               last if ($line =~ /^$/);
+               return 1 if ($line =~ /^Content-Transfer-Encoding: .*8bit.*$/);
+       }
+       close $fh;
+       return 0;
+}
+
+foreach my $f (@files) {
+       next unless (body_or_subject_has_nonascii($f)
+                    && !file_declares_8bit_cte($f));
+       $broken_encoding{$f} = 1;
+}
+
+if (!defined $auto_8bit_encoding && scalar %broken_encoding) {
+       print "The following files are 8bit, but do not declare " .
+               "a Content-Transfer-Encoding.\n";
+       foreach my $f (sort keys %broken_encoding) {
+               print "    $f\n";
+       }
+       $auto_8bit_encoding = ask("Which 8bit encoding should I declare [UTF-8]? ",
+                                 default => "UTF-8");
+}
+
 my $prompting = 0;
 if (!defined $sender) {
        $sender = $repoauthor || $repocommitter || '';
@@ -761,8 +793,7 @@ sub extract_valid_address {
 # We'll setup a template for the message id, using the "from" address:
 
 my ($message_id_stamp, $message_id_serial);
-sub make_message_id
-{
+sub make_message_id {
        my $uniq;
        if (!defined $message_id_stamp) {
                $message_id_stamp = sprintf("%s-%s", time, $$);
@@ -817,8 +848,7 @@ sub is_rfc2047_quoted {
 }
 
 # use the simplest quoting being able to handle the recipient
-sub sanitize_address
-{
+sub sanitize_address {
        my ($recipient) = @_;
        my ($recipient_name, $recipient_addr) = ($recipient =~ /^(.*?)\s*(<.*)/);
 
@@ -863,21 +893,23 @@ sub sanitize_address
 # This maildomain*() code is based on ideas in Perl library Test::Reporter
 # /usr/share/perl5/Test/Reporter/Mail/Util.pm ==> sub _maildomain ()
 
-sub maildomain_net
-{
+sub valid_fqdn {
+       my $domain = shift;
+       return !($^O eq 'darwin' && $domain =~ /\.local$/) && $domain =~ /\./;
+}
+
+sub maildomain_net {
        my $maildomain;
 
        if (eval { require Net::Domain; 1 }) {
                my $domain = Net::Domain::domainname();
-               $maildomain = $domain
-                       unless $^O eq 'darwin' && $domain =~ /\.local$/;
+               $maildomain = $domain if valid_fqdn($domain);
        }
 
        return $maildomain;
 }
 
-sub maildomain_mta
-{
+sub maildomain_mta {
        my $maildomain;
 
        if (eval { require Net::SMTP; 1 }) {
@@ -887,8 +919,7 @@ sub maildomain_mta
                                my $domain = $smtp->domain;
                                $smtp->quit;
 
-                               $maildomain = $domain
-                                       unless $^O eq 'darwin' && $domain =~ /\.local$/;
+                               $maildomain = $domain if valid_fqdn($domain);
 
                                last if $maildomain;
                        }
@@ -898,17 +929,15 @@ sub maildomain_mta
        return $maildomain;
 }
 
-sub maildomain
-{
-       return maildomain_net() || maildomain_mta() || $mail_domain_default;
+sub maildomain {
+       return maildomain_net() || maildomain_mta() || 'localhost.localdomain';
 }
 
 # Returns 1 if the message was sent, and 0 otherwise.
 # In actuality, the whole program dies when there
 # is an error sending a message.
 
-sub send_message
-{
+sub send_message {
        my @recipients = unique_email_list(@to);
        @cc = (grep { my $cc = extract_valid_address($_);
                      not grep { $cc eq $_ } @recipients
@@ -1005,18 +1034,18 @@ sub send_message
                if ($smtp_encryption eq 'ssl') {
                        $smtp_server_port ||= 465; # ssmtp
                        require Net::SMTP::SSL;
-                       $mail_domain ||= maildomain();
+                       $smtp_domain ||= maildomain();
                        $smtp ||= Net::SMTP::SSL->new($smtp_server,
-                                                     Hello => $mail_domain,
+                                                     Hello => $smtp_domain,
                                                      Port => $smtp_server_port);
                }
                else {
                        require Net::SMTP;
-                       $mail_domain ||= maildomain();
+                       $smtp_domain ||= maildomain();
                        $smtp ||= Net::SMTP->new((defined $smtp_server_port)
                                                 ? "$smtp_server:$smtp_server_port"
                                                 : $smtp_server,
-                                                Hello => $mail_domain,
+                                                Hello => $smtp_domain,
                                                 Debug => $debug_net_smtp);
                        if ($smtp_encryption eq 'tls' && $smtp) {
                                require Net::SMTP::SSL;
@@ -1039,7 +1068,7 @@ sub send_message
                        die "Unable to initialize SMTP properly. Check config and use --smtp-debug. ",
                            "VALUES: server=$smtp_server ",
                            "encryption=$smtp_encryption ",
-                           "maildomain=$mail_domain",
+                           "hello=$smtp_domain",
                            defined $smtp_server_port ? "port=$smtp_server_port" : "";
                }
 
@@ -1225,6 +1254,18 @@ sub send_message
                        or die "(cc-cmd) failed to close pipe to '$cc_cmd'";
        }
 
+       if ($broken_encoding{$t} && !$has_content_type) {
+               $has_content_type = 1;
+               push @xh, "MIME-Version: 1.0",
+                       "Content-Type: text/plain; charset=$auto_8bit_encoding",
+                       "Content-Transfer-Encoding: 8bit";
+               $body_encoding = $auto_8bit_encoding;
+       }
+
+       if ($broken_encoding{$t} && !is_rfc2047_quoted($subject)) {
+               $subject = quote_rfc2047($subject, $auto_8bit_encoding);
+       }
+
        if (defined $author and $author ne $sender) {
                $message = "From: $author\n\n$message";
                if (defined $author_encoding) {
@@ -1237,6 +1278,7 @@ sub send_message
                                }
                        }
                        else {
+                               $has_content_type = 1;
                                push @xh,
                                  'MIME-Version: 1.0',
                                  "Content-Type: text/plain; charset=$author_encoding",
@@ -1314,3 +1356,17 @@ sub file_has_nonascii {
        }
        return 0;
 }
+
+sub body_or_subject_has_nonascii {
+       my $fn = shift;
+       open(my $fh, '<', $fn)
+               or die "unable to open $fn: $!\n";
+       while (my $line = <$fh>) {
+               last if $line =~ /^$/;
+               return 1 if $line =~ /^Subject.*[^[:ascii:]]/;
+       }
+       while (my $line = <$fh>) {
+               return 1 if $line =~ /[^[:ascii:]]/;
+       }
+       return 0;
+}