Merge branch 'jc/unresolve' into next
[gitweb.git] / git-send-email.perl
index ec1428d961206f12e195274aea6ea3ae52374898..ecfa347b85bb6c3c5e6b1b3a1f83ac1acb069b66 100755 (executable)
 use strict;
 use warnings;
 use Term::ReadLine;
-use Mail::Sendmail qw(sendmail %mailcfg);
 use Getopt::Long;
 use Data::Dumper;
-use Email::Valid;
+use Net::SMTP;
+
+# most mail servers generate the Date: header, but not all...
+$ENV{LC_ALL} = 'C';
+use POSIX qw/strftime/;
+
+my $have_email_valid = eval { require Email::Valid; 1 };
+my $smtp;
 
 sub unique_email_list(@);
 sub cleanup_compose_files();
 my $compose_filename = ".msg.$$";
 
 # Variables we fill in automatically, or via prompting:
-my (@to,@cc,$initial_reply_to,$initial_subject,@files,$from,$compose);
+my (@to,@cc,@initial_cc,$initial_reply_to,$initial_subject,@files,$from,$compose,$time);
 
 # Behavior modification variables
-my ($chain_reply_to, $smtp_server) = (1, "localhost");
+my ($chain_reply_to, $smtp_server, $quiet, $suppress_from, $no_signed_off_cc) = (1, "localhost", 0, 0, 0);
 
 # Example reply to:
 #$initial_reply_to = ''; #<20050203173208.GA23964@foobar.com>';
                     "in-reply-to=s" => \$initial_reply_to,
                    "subject=s" => \$initial_subject,
                    "to=s" => \@to,
+                   "cc=s" => \@initial_cc,
                    "chain-reply-to!" => \$chain_reply_to,
                    "smtp-server=s" => \$smtp_server,
                    "compose" => \$compose,
+                   "quiet" => \$quiet,
+                   "suppress-from" => \$suppress_from,
+                   "no-signed-off-cc|no-signed-off-by-cc" => \$no_signed_off_cc,
         );
 
 # Now, let's fill any that aren't set in with defaults:
 
-open(GITVAR,"-|","git-var","-l")
-       or die "Failed to open pipe from git-var: $!";
-
-my ($author,$committer);
-while(<GITVAR>) {
-       chomp;
-       my ($var,$data) = split /=/,$_,2;
-       my @fields = split /\s+/, $data;
-
-       my $ident = join(" ", @fields[0...(@fields-3)]);
+sub gitvar {
+    my ($var) = @_;
+    my $fh;
+    my $pid = open($fh, '-|');
+    die "$!" unless defined $pid;
+    if (!$pid) {
+       exec('git-var', $var) or die "$!";
+    }
+    my ($val) = <$fh>;
+    close $fh or die "$!";
+    chomp($val);
+    return $val;
+}
 
-       if ($var eq 'GIT_AUTHOR_IDENT') {
-               $author = $ident;
-       } elsif ($var eq 'GIT_COMMITTER_IDENT') {
-               $committer = $ident;
-       }
+sub gitvar_ident {
+    my ($name) = @_;
+    my $val = gitvar($name);
+    my @field = split(/\s+/, $val);
+    return join(' ', @field[0...(@field-3)]);
 }
-close(GITVAR);
+
+my ($author) = gitvar_ident('GIT_AUTHOR_IDENT');
+my ($committer) = gitvar_ident('GIT_COMMITTER_IDENT');
 
 my $prompting = 0;
 if (!defined $from) {
        # effort to have it be unique
        open(C,">",$compose_filename)
                or die "Failed to open for writing $compose_filename: $!";
-       print C "From \n";
+       print C "From $from # This line is ignored.\n";
        printf C "Subject: %s\n\n", $initial_subject;
        printf C <<EOT;
 GIT: Please enter your email below.
 }
 
 if (@files) {
-       print $_,"\n" for @files;
+       unless ($quiet) {
+               print $_,"\n" for (@files);
+       }
 } else {
        print <<EOT;
 git-send-email [options] <file | directory> [... file | directory ]
 
    --to           Specify the primary "To:" line of the email.
 
+   --cc           Specify an initial "Cc:" list for the entire series
+                  of emails.
+
    --compose      Use \$EDITOR to edit an introductory message for the
                   patch series.
 
                   email sent, rather than to the first email sent.
                   Defaults to on.
 
+   --no-signed-off-cc Suppress the automatic addition of email addresses
+                 that appear in a Signed-off-by: line, to the cc: list.
+                Note: Using this option is not recommended.
+
    --smtp-server  If set, specifies the outgoing SMTP server to use.
                   Defaults to localhost.
 
+  --suppress-from Supress sending emails to yourself if your address
+                  appears in a From: line.
+
+   --quiet     Make git-send-email less verbose.  One line per email should be
+               all that is output.
+
 Error: Please specify a file or a directory on the command line.
 EOT
        exit(1);
 # Variables we set as part of the loop over files
 our ($message_id, $cc, %mail, $subject, $reply_to, $message);
 
+sub extract_valid_address {
+       my $address = shift;
+       if ($have_email_valid) {
+               return Email::Valid->address($address);
+       } else {
+               # less robust/correct than the monster regexp in Email::Valid,
+               # but still does a 99% job, and one less dependency
+               return ($address =~ /([^\"<>\s]+@[^<>\s]+)/);
+       }
+}
 
 # Usually don't need to change anything below here.
 
 # 1 second since the last time we were called.
 
 # We'll setup a template for the message id, using the "from" address:
-my $message_id_from = Email::Valid->address($from);
+my $message_id_from = extract_valid_address($from);
 my $message_id_template = "<%s-git-send-email-$message_id_from>";
 
 sub make_message_id
 {
-       my $date = `date "+\%s"`;
-       chomp($date);
+       my $date = time;
        my $pseudo_rand = int (rand(4200));
        $message_id = sprintf $message_id_template, "$date$pseudo_rand";
        #print "new message id = $message_id\n"; # Was useful for debugging
@@ -244,43 +283,58 @@ sub make_message_id
 
 
 $cc = "";
+$time = time - scalar $#files;
 
 sub send_message
 {
-       my $to = join (", ", unique_email_list(@to));
-
-       %mail = (       To      =>      $to,
-                       From    =>      $from,
-                       CC      =>      $cc,
-                       Subject =>      $subject,
-                       Message =>      $message,
-                       'Reply-to'      =>      $from,
-                       'In-Reply-To'   =>      $reply_to,
-                       'Message-ID'    =>      $message_id,
-                       'X-Mailer'      =>      "git-send-email",
-               );
-
-       $mail{smtp} = $smtp_server;
-       $mailcfg{mime} = 0;
-
-       #print Data::Dumper->Dump([\%mail],[qw(*mail)]);
-
-       sendmail(%mail) or die $Mail::Sendmail::error;
-
-       print "OK. Log says:\n", $Mail::Sendmail::log;
-       print "\n\n"
+       my @recipients = unique_email_list(@to);
+       my $to = join (",\n\t", @recipients);
+       @recipients = unique_email_list(@recipients,@cc);
+       my $date = strftime('%a, %d %b %Y %H:%M:%S %z', localtime($time++));
+
+       my $header = "From: $from
+To: $to
+Cc: $cc
+Subject: $subject
+Reply-To: $from
+Date: $date
+Message-Id: $message_id
+X-Mailer: git-send-email @@GIT_VERSION@@
+";
+       $header .= "In-Reply-To: $reply_to\n" if $reply_to;
+
+       $smtp ||= Net::SMTP->new( $smtp_server );
+       $smtp->mail( $from ) or die $smtp->message;
+       $smtp->to( @recipients ) or die $smtp->message;
+       $smtp->data or die $smtp->message;
+       $smtp->datasend("$header\n$message") or die $smtp->message;
+       $smtp->dataend() or die $smtp->message;
+       $smtp->ok or die "Failed to send $subject\n".$smtp->message;
+
+       if ($quiet) {
+               printf "Sent %s\n", $subject;
+       } else {
+               print "OK. Log says:
+Date: $date
+Server: $smtp_server Port: 25
+From: $from
+Subject: $subject
+Cc: $cc
+To: $to
+
+Result: ", $smtp->code, ' ', ($smtp->message =~ /\n([^\n]+\n)$/s), "\n";
+       }
 }
 
-
 $reply_to = $initial_reply_to;
 make_message_id();
 $subject = $initial_subject;
 
 foreach my $t (@files) {
-       my $F = $t;
        open(F,"<",$t) or die "can't open file $t";
 
-       @cc = ();
+       my $author_not_sender = undef;
+       @cc = @initial_cc;
        my $found_mbox = 0;
        my $header_done = 0;
        $message = "";
@@ -294,8 +348,14 @@ sub send_message
                                        $subject = $1;
 
                                } elsif (/^(Cc|From):\s+(.*)$/) {
+                                       if ($2 eq $from) {
+                                               next if ($suppress_from);
+                                       }
+                                       else {
+                                               $author_not_sender = $2;
+                                       }
                                        printf("(mbox) Adding cc: %s from line '%s'\n",
-                                               $2, $_);
+                                               $2, $_) unless $quiet;
                                        push @cc, $2;
                                }
 
@@ -307,7 +367,7 @@ sub send_message
                                # So let's support that, too.
                                if (@cc == 0) {
                                        printf("(non-mbox) Adding cc: %s from line '%s'\n",
-                                               $_, $_);
+                                               $_, $_) unless $quiet;
 
                                        push @cc, $_;
 
@@ -322,16 +382,19 @@ sub send_message
                        }
                } else {
                        $message .=  $_;
-                       if (/^Signed-off-by: (.*)$/i) {
+                       if (/^Signed-off-by: (.*)$/i && !$no_signed_off_cc) {
                                my $c = $1;
                                chomp $c;
                                push @cc, $c;
                                printf("(sob) Adding cc: %s from line '%s'\n",
-                                       $c, $_);
+                                       $c, $_) unless $quiet;
                        }
                }
        }
        close F;
+       if (defined $author_not_sender) {
+               $message = "From: $author_not_sender\n\n$message";
+       }
 
        $cc = join(", ", unique_email_list(@cc));
 
@@ -353,14 +416,14 @@ ()
 
 }
 
-
+$smtp->quit if $smtp;
 
 sub unique_email_list(@) {
        my %seen;
        my @emails;
 
        foreach my $entry (@_) {
-               my $clean = Email::Valid->address($entry);
+               my $clean = extract_valid_address($entry);
                next if $seen{$clean}++;
                push @emails, $entry;
        }