xdiff/xhistogram: drop need for additional variable
[gitweb.git] / git-send-email.perl
index c1d8edbdd324fc1eca7bc475cbf31bd913036682..98ab33aae7e35c2d288bc34ddb2bbc71f8a16cdd 100755 (executable)
@@ -25,6 +25,7 @@
 use Data::Dumper;
 use Term::ANSIColor;
 use File::Temp qw/ tempdir tempfile /;
+use File::Spec::Functions qw(catfile);
 use Error qw(:try);
 use Git;
 
@@ -61,6 +62,7 @@ sub usage {
     --envelope-sender       <str>  * Email envelope sender.
     --smtp-server       <str:int>  * Outgoing SMTP server to use. The port
                                      is optional. Default 'localhost'.
+    --smtp-server-option    <str>  * Outgoing SMTP server option to use.
     --smtp-server-port      <int>  * Outgoing SMTP server port.
     --smtp-user             <str>  * Username for SMTP-AUTH.
     --smtp-pass             <str>  * Password for SMTP-AUTH; not necessary.
@@ -71,6 +73,7 @@ sub usage {
 
   Automating:
     --identity              <str>  * Use the sendemail.<id> options.
+    --to-cmd                <str>  * Email To: via `<str> \$patch_path`
     --cc-cmd                <str>  * Email Cc: via `<str> \$patch_path`
     --suppress-cc           <str>  * author, self, sob, cc, cccmd, body, bodycc, all.
     --[no-]signed-off-by-cc        * Send to Signed-off-by: addresses. Default on.
@@ -136,11 +139,8 @@ sub format_2822_time {
 my $smtp;
 my $auth;
 
-sub unique_email_list(@);
-sub cleanup_compose_files();
-
 # Variables we fill in automatically, or via prompting:
-my (@to,$no_to,@cc,$no_cc,@initial_cc,@bcclist,$no_bcc,@xh,
+my (@to,$no_to,@initial_to,@cc,$no_cc,@initial_cc,@bcclist,$no_bcc,@xh,
        $initial_reply_to,$initial_subject,@files,
        $author,$sender,$smtp_authpass,$annotate,$compose,$time);
 
@@ -190,9 +190,11 @@ 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, $smtp_domain);
+my ($thread, $chain_reply_to, $suppress_from, $signed_off_by_cc);
+my ($to_cmd, $cc_cmd);
+my ($smtp_server, $smtp_server_port, @smtp_server_options);
+my ($smtp_authuser, $smtp_encryption);
+my ($identity, $aliasfiletype, @alias_files, $smtp_domain);
 my ($validate, $confirm);
 my (@suppress_cc);
 my ($auto_8bit_encoding);
@@ -213,10 +215,12 @@ sub do_edit {
 my %config_settings = (
     "smtpserver" => \$smtp_server,
     "smtpserverport" => \$smtp_server_port,
+    "smtpserveroption" => \@smtp_server_options,
     "smtpuser" => \$smtp_authuser,
     "smtppass" => \$smtp_authpass,
-       "smtpdomain" => \$smtp_domain,
-    "to" => \@to,
+    "smtpdomain" => \$smtp_domain,
+    "to" => \@initial_to,
+    "tocmd" => \$to_cmd,
     "cc" => \@initial_cc,
     "cccmd" => \$cc_cmd,
     "aliasfiletype" => \$aliasfiletype,
@@ -274,7 +278,8 @@ sub signal_handler {
 my $rc = GetOptions("sender|from=s" => \$sender,
                     "in-reply-to=s" => \$initial_reply_to,
                    "subject=s" => \$initial_subject,
-                   "to=s" => \@to,
+                   "to=s" => \@initial_to,
+                   "to-cmd=s" => \$to_cmd,
                    "no-to" => \$no_to,
                    "cc=s" => \@initial_cc,
                    "no-cc" => \$no_cc,
@@ -282,6 +287,7 @@ sub signal_handler {
                    "no-bcc" => \$no_bcc,
                    "chain-reply-to!" => \$chain_reply_to,
                    "smtp-server=s" => \$smtp_server,
+                   "smtp-server-option=s" => \@smtp_server_options,
                    "smtp-server-port=s" => \$smtp_server_port,
                    "smtp-user=s" => \$smtp_authuser,
                    "smtp-pass:s" => \$smtp_authpass,
@@ -368,7 +374,7 @@ sub read_config {
 if (@suppress_cc) {
        foreach my $entry (@suppress_cc) {
                die "Unknown --suppress-cc field: '$entry'\n"
-                       unless $entry =~ /^(all|cccmd|cc|author|self|sob|body|bodycc)$/;
+                       unless $entry =~ /^(?:all|cccmd|cc|author|self|sob|body|bodycc)$/;
                $suppress_cc{$entry} = 1;
        }
 }
@@ -413,7 +419,7 @@ sub read_config {
 
 # Verify the user input
 
-foreach my $entry (@to) {
+foreach my $entry (@initial_to) {
        die "Comma in --to entry: $entry'\n" unless $entry !~ m/,/;
 }
 
@@ -512,12 +518,12 @@ ($)
                push @rev_list_opts, "--", @ARGV;
                @ARGV = ();
        } elsif (-d $f and !check_file_rev_conflict($f)) {
-               opendir(DH,$f)
+               opendir my $dh, $f
                        or die "Failed to opendir $f: $!";
 
-               push @files, grep { -f $_ } map { +$f . "/" . $_ }
-                               sort readdir(DH);
-               closedir(DH);
+               push @files, grep { -f $_ } map { catfile($f, $_) }
+                               sort readdir $dh;
+               closedir $dh;
        } elsif ((-f $f or -p $f) and !check_file_rev_conflict($f)) {
                push @files, $f;
        } else {
@@ -549,7 +555,7 @@ ($)
        usage();
 }
 
-sub get_patch_subject($) {
+sub get_patch_subject {
        my $fn = shift;
        open (my $fh, '<', $fn);
        while (my $line = <$fh>) {
@@ -567,7 +573,7 @@ ($)
        $compose_filename = ($repo ?
                tempfile(".gitsendemail.msg.XXXXXX", DIR => $repo->repo_path()) :
                tempfile(".gitsendemail.msg.XXXXXX", DIR => "."))[1];
-       open(C,">",$compose_filename)
+       open my $c, ">", $compose_filename
                or die "Failed to open for writing $compose_filename: $!";
 
 
@@ -575,7 +581,7 @@ ($)
        my $tpl_subject = $initial_subject || '';
        my $tpl_reply_to = $initial_reply_to || '';
 
-       print C <<EOT;
+       print $c <<EOT;
 From $tpl_sender # This line is ignored.
 GIT: Lines beginning in "GIT:" will be removed.
 GIT: Consider including an overall diffstat or table of contents
@@ -588,9 +594,9 @@ ($)
 
 EOT
        for my $f (@files) {
-               print C get_patch_subject($f);
+               print $c get_patch_subject($f);
        }
-       close(C);
+       close $c;
 
        if ($annotate) {
                do_edit($compose_filename, @files);
@@ -598,23 +604,23 @@ ($)
                do_edit($compose_filename);
        }
 
-       open(C2,">",$compose_filename . ".final")
+       open my $c2, ">", $compose_filename . ".final"
                or die "Failed to open $compose_filename.final : " . $!;
 
-       open(C,"<",$compose_filename)
+       open $c, "<", $compose_filename
                or die "Failed to open $compose_filename : " . $!;
 
        my $need_8bit_cte = file_has_nonascii($compose_filename);
        my $in_body = 0;
        my $summary_empty = 1;
-       while(<C>) {
+       while(<$c>) {
                next if m/^GIT:/;
                if ($in_body) {
                        $summary_empty = 0 unless (/^\n$/);
                } elsif (/^\n$/) {
                        $in_body = 1;
                        if ($need_8bit_cte) {
-                               print C2 "MIME-Version: 1.0\n",
+                               print $c2 "MIME-Version: 1.0\n",
                                         "Content-Type: text/plain; ",
                                           "charset=UTF-8\n",
                                         "Content-Transfer-Encoding: 8bit\n";
@@ -639,10 +645,10 @@ ($)
                        print "To/Cc/Bcc fields are not interpreted yet, they have been ignored\n";
                        next;
                }
-               print C2 $_;
+               print $c2 $_;
        }
-       close(C);
-       close(C2);
+       close $c;
+       close $c2;
 
        if ($summary_empty) {
                print "Summary email is empty, skipping it\n";
@@ -679,7 +685,7 @@ sub ask {
 
 my %broken_encoding;
 
-sub file_declares_8bit_cte($) {
+sub file_declares_8bit_cte {
        my $fn = shift;
        open (my $fh, '<', $fn);
        while (my $line = <$fh>) {
@@ -708,7 +714,7 @@ ($)
 
 if (!$force) {
        for my $f (@files) {
-               if (get_patch_subject($f) =~ /\*\*\* SUBJECT HERE \*\*\*/) {
+               if (get_patch_subject($f) =~ /\Q*** SUBJECT HERE ***\E/) {
                        die "Refusing to send because the patch\n\t$f\n"
                                . "has the template subject '*** SUBJECT HERE ***'. "
                                . "Pass --force if you really want to send.\n";
@@ -725,9 +731,9 @@ ($)
        $prompting++;
 }
 
-if (!@to) {
+if (!@initial_to && !defined $to_cmd) {
        my $to = ask("Who should the emails be sent to? ");
-       push @to, parse_address_line($to) if defined $to; # sanitized/validated later
+       push @initial_to, parse_address_line($to) if defined $to; # sanitized/validated later
        $prompting++;
 }
 
@@ -745,8 +751,8 @@ sub expand_one_alias {
        return $aliases{$alias} ? expand_aliases(@{$aliases{$alias}}) : $alias;
 }
 
-@to = expand_aliases(@to);
-@to = (map { sanitize_address($_) } @to);
+@initial_to = expand_aliases(@initial_to);
+@initial_to = (map { sanitize_address($_) } @initial_to);
 @initial_cc = expand_aliases(@initial_cc);
 @bcclist = expand_aliases(@bcclist);
 
@@ -780,8 +786,8 @@ sub expand_one_alias {
 
 sub extract_valid_address {
        my $address = shift;
-       my $local_part_regexp = '[^<>"\s@]+';
-       my $domain_regexp = '[^.<>"\s@]+(?:\.[^.<>"\s@]+)+';
+       my $local_part_regexp = qr/[^<>"\s@]+/;
+       my $domain_regexp = qr/[^.<>"\s@]+(?:\.[^.<>"\s@]+)+/;
 
        # check for a local address:
        return $address if ($address =~ /^($local_part_regexp)$/);
@@ -822,7 +828,7 @@ sub make_message_id {
                last if (defined $du_part and $du_part ne '');
        }
        if (not defined $du_part or $du_part eq '') {
-               use Sys::Hostname qw();
+               require Sys::Hostname;
                $du_part = 'user@' . Sys::Hostname::hostname();
        }
        my $message_id_template = "<%s-git-send-email-%s>";
@@ -855,8 +861,8 @@ sub quote_rfc2047 {
 
 sub is_rfc2047_quoted {
        my $s = shift;
-       my $token = '[^][()<>@,;:"\/?.= \000-\037\177-\377]+';
-       my $encoded_text = '[!->@-~]+';
+       my $token = qr/[^][()<>@,;:"\/?.= \000-\037\177-\377]+/;
+       my $encoded_text = qr/[!->@-~]+/;
        length($s) <= 75 &&
        $s =~ m/^(?:"[[:ascii:]]*"|=\?$token\?$token\?$encoded_text\?=)$/o;
 }
@@ -867,7 +873,7 @@ sub sanitize_address {
        my ($recipient_name, $recipient_addr) = ($recipient =~ /^(.*?)\s*(<.*)/);
 
        if (not $recipient_name) {
-               return "$recipient";
+               return $recipient;
        }
 
        # if recipient_name is already quoted, do nothing
@@ -884,7 +890,7 @@ sub sanitize_address {
        # double quotes are needed if specials or CTLs are included
        elsif ($recipient_name =~ /[][()<>@,;:\\".\000-\037\177]/) {
                $recipient_name =~ s/(["\\\r])/\\$1/g;
-               $recipient_name = "\"$recipient_name\"";
+               $recipient_name = qq["$recipient_name"];
        }
 
        return "$recipient_name $recipient_addr";
@@ -1029,6 +1035,8 @@ sub send_message {
                }
        }
 
+       unshift (@sendmail_parameters, @smtp_server_options);
+
        if ($dry_run) {
                # We don't want to send the email.
        } elsif ($smtp_server =~ m#^/#) {
@@ -1038,7 +1046,7 @@ sub send_message {
                        exec($smtp_server, @sendmail_parameters) or die $!;
                }
                print $sm "$header\n$message";
-               close $sm or die $?;
+               close $sm or die $!;
        } else {
 
                if (!defined $smtp_server) {
@@ -1083,7 +1091,7 @@ sub send_message {
                            "VALUES: server=$smtp_server ",
                            "encryption=$smtp_encryption ",
                            "hello=$smtp_domain",
-                           defined $smtp_server_port ? "port=$smtp_server_port" : "";
+                           defined $smtp_server_port ? " port=$smtp_server_port" : "";
                }
 
                if (defined $smtp_authuser) {
@@ -1144,12 +1152,13 @@ sub send_message {
 $message_num = 0;
 
 foreach my $t (@files) {
-       open(F,"<",$t) or die "can't open file $t";
+       open my $fh, "<", $t or die "can't open file $t";
 
        my $author = undef;
        my $author_encoding;
        my $has_content_type;
        my $body_encoding;
+       @to = ();
        @cc = ();
        @xh = ();
        my $input_format = undef;
@@ -1157,7 +1166,7 @@ sub send_message {
        $message = "";
        $message_num++;
        # First unfold multiline header fields
-       while(<F>) {
+       while(<$fh>) {
                last if /^\s*$/;
                if (/^\s+\S/ and @header) {
                        chomp($header[$#header]);
@@ -1190,6 +1199,13 @@ sub send_message {
                                        $1, $_) unless $quiet;
                                push @cc, $1;
                        }
+                       elsif (/^To:\s+(.*)$/) {
+                               foreach my $addr (parse_address_line($1)) {
+                                       printf("(mbox) Adding to: %s from line '%s'\n",
+                                               $addr, $_) unless $quiet;
+                                       push @to, sanitize_address($addr);
+                               }
+                       }
                        elsif (/^Cc:\s+(.*)$/) {
                                foreach my $addr (parse_address_line($1)) {
                                        if (unquote_rfc2047($addr) eq $sender) {
@@ -1233,7 +1249,7 @@ sub send_message {
                }
        }
        # Now parse the message body
-       while(<F>) {
+       while(<$fh>) {
                $message .=  $_;
                if (/^(Signed-off-by|Cc): (.*)$/i) {
                        chomp;
@@ -1250,23 +1266,12 @@ sub send_message {
                                $c, $_) unless $quiet;
                }
        }
-       close F;
-
-       if (defined $cc_cmd && !$suppress_cc{'cccmd'}) {
-               open(F, "$cc_cmd \Q$t\E |")
-                       or die "(cc-cmd) Could not execute '$cc_cmd'";
-               while(<F>) {
-                       my $c = $_;
-                       $c =~ s/^\s*//g;
-                       $c =~ s/\n$//g;
-                       next if ($c eq $sender and $suppress_from);
-                       push @cc, $c;
-                       printf("(cc-cmd) Adding cc: %s from: '%s'\n",
-                               $c, $cc_cmd) unless $quiet;
-               }
-               close F
-                       or die "(cc-cmd) failed to close pipe to '$cc_cmd'";
-       }
+       close $fh;
+
+       push @to, recipients_cmd("to-cmd", "to", $to_cmd, $t)
+               if defined $to_cmd;
+       push @cc, recipients_cmd("cc-cmd", "cc", $cc_cmd, $t)
+               if defined $cc_cmd && !$suppress_cc{'cccmd'};
 
        if ($broken_encoding{$t} && !$has_content_type) {
                $has_content_type = 1;
@@ -1307,13 +1312,15 @@ sub send_message {
                ($confirm =~ /^(?:auto|compose)$/ && $compose && $message_num == 1));
        $needs_confirm = "inform" if ($needs_confirm && $confirm_unconfigured && @cc);
 
+       @to = (@initial_to, @to);
        @cc = (@initial_cc, @cc);
 
        my $message_was_sent = send_message();
 
        # set up for the next message
        if ($thread && $message_was_sent &&
-               (chain_reply_to() || !defined $reply_to || length($reply_to) == 0)) {
+               (chain_reply_to() || !defined $reply_to || length($reply_to) == 0 ||
+               $message_num == 1)) {
                $reply_to = $message_id;
                if (length $references > 0) {
                        $references .= "\n $message_id";
@@ -1324,15 +1331,38 @@ sub send_message {
        $message_id = undef;
 }
 
+# Execute a command (e.g. $to_cmd) to get a list of email addresses
+# and return a results array
+sub recipients_cmd {
+       my ($prefix, $what, $cmd, $file) = @_;
+
+       my $sanitized_sender = sanitize_address($sender);
+       my @addresses = ();
+       open my $fh, "$cmd \Q$file\E |"
+           or die "($prefix) Could not execute '$cmd'";
+       while (my $address = <$fh>) {
+               $address =~ s/^\s*//g;
+               $address =~ s/\s*$//g;
+               $address = sanitize_address($address);
+               next if ($address eq $sanitized_sender and $suppress_from);
+               push @addresses, $address;
+               printf("($prefix) Adding %s: %s from: '%s'\n",
+                      $what, $address, $cmd) unless $quiet;
+               }
+       close $fh
+           or die "($prefix) failed to close pipe to '$cmd'";
+       return @addresses;
+}
+
 cleanup_compose_files();
 
-sub cleanup_compose_files() {
+sub cleanup_compose_files {
        unlink($compose_filename, $compose_filename . ".final") if $compose;
 }
 
 $smtp->quit if $smtp;
 
-sub unique_email_list(@) {
+sub unique_email_list {
        my %seen;
        my @emails;