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Diffstat (limited to 'git-send-email.perl')
| -rwxr-xr-x | git-send-email.perl | 840 |
1 files changed, 840 insertions, 0 deletions
diff --git a/git-send-email.perl b/git-send-email.perl new file mode 100755 index 0000000000..e47994afc4 --- /dev/null +++ b/git-send-email.perl @@ -0,0 +1,840 @@ +#!/usr/bin/perl -w +# +# Copyright 2002,2005 Greg Kroah-Hartman <greg@kroah.com> +# Copyright 2005 Ryan Anderson <ryan@michonline.com> +# +# GPL v2 (See COPYING) +# +# Ported to support git "mbox" format files by Ryan Anderson <ryan@michonline.com> +# +# Sends a collection of emails to the given email addresses, disturbingly fast. +# +# Supports two formats: +# 1. mbox format files (ignoring most headers and MIME formatting - this is designed for sending patches) +# 2. The original format support by Greg's script: +# first line of the message is who to CC, +# and second line is the subject of the message. +# + +use strict; +use warnings; +use Term::ReadLine; +use Getopt::Long; +use Data::Dumper; +use Term::ANSIColor; +use Git; + +$SIG{INT} = sub { print color("reset"), "\n"; exit }; + +package FakeTerm; +sub new { + my ($class, $reason) = @_; + return bless \$reason, shift; +} +sub readline { + my $self = shift; + die "Cannot use readline on FakeTerm: $$self"; +} +package main; + + +sub usage { + print <<EOT; +git-send-email [options] <file | directory>... +Options: + --from Specify the "From:" line of the email to be sent. + + --to Specify the primary "To:" line of the email. + + --cc Specify an initial "Cc:" list for the entire series + of emails. + + --cc-cmd Specify a command to execute per file which adds + per file specific cc address entries + + --bcc Specify a list of email addresses that should be Bcc: + on all the emails. + + --compose Use \$GIT_EDITOR, core.editor, \$EDITOR, or \$VISUAL to edit + an introductory message for the patch series. + + --subject Specify the initial "Subject:" line. + Only necessary if --compose is also set. If --compose + is not set, this will be prompted for. + + --in-reply-to Specify the first "In-Reply-To:" header line. + Only used if --compose is also set. If --compose is not + set, this will be prompted for. + + --chain-reply-to If set, the replies will all be to the previous + email sent, rather than to the first email sent. + Defaults to on. + + --signed-off-cc Automatically add email addresses that appear in + Signed-off-by: or Cc: lines to the cc: list. Defaults to on. + + --identity The configuration identity, a subsection to prioritise over + the default section. + + --smtp-server If set, specifies the outgoing SMTP server to use. + Defaults to localhost. Port number can be specified here with + hostname:port format or by using --smtp-server-port option. + + --smtp-server-port Specify a port on the outgoing SMTP server to connect to. + + --smtp-user The username for SMTP-AUTH. + + --smtp-pass The password for SMTP-AUTH. + + --smtp-ssl If set, connects to the SMTP server using SSL. + + --suppress-from Suppress sending emails to yourself. Defaults to off. + + --thread Specify that the "In-Reply-To:" header should be set on all + emails. Defaults to on. + + --quiet Make git-send-email less verbose. One line per email + should be all that is output. + + --dry-run Do everything except actually send the emails. + + --envelope-sender Specify the envelope sender used to send the emails. + +EOT + exit(1); +} + +# most mail servers generate the Date: header, but not all... +sub format_2822_time { + my ($time) = @_; + my @localtm = localtime($time); + my @gmttm = gmtime($time); + my $localmin = $localtm[1] + $localtm[2] * 60; + my $gmtmin = $gmttm[1] + $gmttm[2] * 60; + if ($localtm[0] != $gmttm[0]) { + die "local zone differs from GMT by a non-minute interval\n"; + } + if ((($gmttm[6] + 1) % 7) == $localtm[6]) { + $localmin += 1440; + } elsif ((($gmttm[6] - 1) % 7) == $localtm[6]) { + $localmin -= 1440; + } elsif ($gmttm[6] != $localtm[6]) { + die "local time offset greater than or equal to 24 hours\n"; + } + my $offset = $localmin - $gmtmin; + my $offhour = $offset / 60; + my $offmin = abs($offset % 60); + if (abs($offhour) >= 24) { + die ("local time offset greater than or equal to 24 hours\n"); + } + + return sprintf("%s, %2d %s %d %02d:%02d:%02d %s%02d%02d", + qw(Sun Mon Tue Wed Thu Fri Sat)[$localtm[6]], + $localtm[3], + qw(Jan Feb Mar Apr May Jun + Jul Aug Sep Oct Nov Dec)[$localtm[4]], + $localtm[5]+1900, + $localtm[2], + $localtm[1], + $localtm[0], + ($offset >= 0) ? '+' : '-', + abs($offhour), + $offmin, + ); +} + +my $have_email_valid = eval { require Email::Valid; 1 }; +my $smtp; +my $auth; + +sub unique_email_list(@); +sub cleanup_compose_files(); + +# Constants (essentially) +my $compose_filename = ".msg.$$"; + +# Variables we fill in automatically, or via prompting: +my (@to,@cc,@initial_cc,@bcclist,@xh, + $initial_reply_to,$initial_subject,@files,$author,$sender,$compose,$time); + +my $envelope_sender; + +# Example reply to: +#$initial_reply_to = ''; #<20050203173208.GA23964@foobar.com>'; + +my $repo = Git->repository(); +my $term = eval { + new Term::ReadLine 'git-send-email'; +}; +if ($@) { + $term = new FakeTerm "$@: going non-interactive"; +} + +# Behavior modification variables +my ($quiet, $dry_run) = (0, 0); + +# Variables with corresponding config settings +my ($thread, $chain_reply_to, $suppress_from, $signed_off_cc, $cc_cmd); +my ($smtp_server, $smtp_server_port, $smtp_authuser, $smtp_authpass, $smtp_ssl); +my ($identity, $aliasfiletype, @alias_files, @smtp_host_parts); + +my %config_bool_settings = ( + "thread" => [\$thread, 1], + "chainreplyto" => [\$chain_reply_to, 1], + "suppressfrom" => [\$suppress_from, 0], + "signedoffcc" => [\$signed_off_cc, 1], + "smtpssl" => [\$smtp_ssl, 0], +); + +my %config_settings = ( + "smtpserver" => \$smtp_server, + "smtpserverport" => \$smtp_server_port, + "smtpuser" => \$smtp_authuser, + "smtppass" => \$smtp_authpass, + "to" => \@to, + "cccmd" => \$cc_cmd, + "aliasfiletype" => \$aliasfiletype, + "bcc" => \@bcclist, + "aliasesfile" => \@alias_files, +); + +# Begin by accumulating all the variables (defined above), that we will end up +# needing, first, from the command line: + +my $rc = GetOptions("sender|from=s" => \$sender, + "in-reply-to=s" => \$initial_reply_to, + "subject=s" => \$initial_subject, + "to=s" => \@to, + "cc=s" => \@initial_cc, + "bcc=s" => \@bcclist, + "chain-reply-to!" => \$chain_reply_to, + "smtp-server=s" => \$smtp_server, + "smtp-server-port=s" => \$smtp_server_port, + "smtp-user=s" => \$smtp_authuser, + "smtp-pass=s" => \$smtp_authpass, + "smtp-ssl!" => \$smtp_ssl, + "identity=s" => \$identity, + "compose" => \$compose, + "quiet" => \$quiet, + "cc-cmd=s" => \$cc_cmd, + "suppress-from!" => \$suppress_from, + "signed-off-cc|signed-off-by-cc!" => \$signed_off_cc, + "dry-run" => \$dry_run, + "envelope-sender=s" => \$envelope_sender, + "thread!" => \$thread, + ); + +unless ($rc) { + usage(); +} + +# Now, let's fill any that aren't set in with defaults: + +sub read_config { + my ($prefix) = @_; + + foreach my $setting (keys %config_bool_settings) { + my $target = $config_bool_settings{$setting}->[0]; + $$target = $repo->config_bool("$prefix.$setting") unless (defined $$target); + } + + foreach my $setting (keys %config_settings) { + my $target = $config_settings{$setting}; + if (ref($target) eq "ARRAY") { + unless (@$target) { + my @values = $repo->config("$prefix.$setting"); + @$target = @values if (@values && defined $values[0]); + } + } + else { + $$target = $repo->config("$prefix.$setting") unless (defined $$target); + } + } +} + +# read configuration from [sendemail "$identity"], fall back on [sendemail] +$identity = $repo->config("sendemail.identity") unless (defined $identity); +read_config("sendemail.$identity") if (defined $identity); +read_config("sendemail"); + +# fall back on builtin bool defaults +foreach my $setting (values %config_bool_settings) { + ${$setting->[0]} = $setting->[1] unless (defined (${$setting->[0]})); +} + +my ($repoauthor) = $repo->ident_person('author'); +my ($repocommitter) = $repo->ident_person('committer'); + +# Verify the user input + +foreach my $entry (@to) { + die "Comma in --to entry: $entry'\n" unless $entry !~ m/,/; +} + +foreach my $entry (@initial_cc) { + die "Comma in --cc entry: $entry'\n" unless $entry !~ m/,/; +} + +foreach my $entry (@bcclist) { + die "Comma in --bcclist entry: $entry'\n" unless $entry !~ m/,/; +} + +my %aliases; +my %parse_alias = ( + # multiline formats can be supported in the future + mutt => sub { my $fh = shift; while (<$fh>) { + if (/^\s*alias\s+(\S+)\s+(.*)$/) { + my ($alias, $addr) = ($1, $2); + $addr =~ s/#.*$//; # mutt allows # comments + # commas delimit multiple addresses + $aliases{$alias} = [ split(/\s*,\s*/, $addr) ]; + }}}, + mailrc => sub { my $fh = shift; while (<$fh>) { + if (/^alias\s+(\S+)\s+(.*)$/) { + # spaces delimit multiple addresses + $aliases{$1} = [ split(/\s+/, $2) ]; + }}}, + pine => sub { my $fh = shift; while (<$fh>) { + if (/^(\S+)\t.*\t(.*)$/) { + $aliases{$1} = [ split(/\s*,\s*/, $2) ]; + }}}, + gnus => sub { my $fh = shift; while (<$fh>) { + if (/\(define-mail-alias\s+"(\S+?)"\s+"(\S+?)"\)/) { + $aliases{$1} = [ $2 ]; + }}} +); + +if (@alias_files and $aliasfiletype and defined $parse_alias{$aliasfiletype}) { + foreach my $file (@alias_files) { + open my $fh, '<', $file or die "opening $file: $!\n"; + $parse_alias{$aliasfiletype}->($fh); + close $fh; + } +} + +($sender) = expand_aliases($sender) if defined $sender; + +my $prompting = 0; +if (!defined $sender) { + $sender = $repoauthor || $repocommitter; + do { + $_ = $term->readline("Who should the emails appear to be from? [$sender] "); + } while (!defined $_); + + $sender = $_ if ($_); + print "Emails will be sent from: ", $sender, "\n"; + $prompting++; +} + +if (!@to) { + do { + $_ = $term->readline("Who should the emails be sent to? ", + ""); + } while (!defined $_); + my $to = $_; + push @to, split /,/, $to; + $prompting++; +} + +sub expand_aliases { + my @cur = @_; + my @last; + do { + @last = @cur; + @cur = map { $aliases{$_} ? @{$aliases{$_}} : $_ } @last; + } while (join(',',@cur) ne join(',',@last)); + return @cur; +} + +@to = expand_aliases(@to); +@to = (map { sanitize_address($_) } @to); +@initial_cc = expand_aliases(@initial_cc); +@bcclist = expand_aliases(@bcclist); + +if (!defined $initial_subject && $compose) { + do { + $_ = $term->readline("What subject should the initial email start with? ", + $initial_subject); + } while (!defined $_); + $initial_subject = $_; + $prompting++; +} + +if ($thread && !defined $initial_reply_to && $prompting) { + do { + $_= $term->readline("Message-ID to be used as In-Reply-To for the first email? ", + $initial_reply_to); + } while (!defined $_); + + $initial_reply_to = $_; +} +if (defined $initial_reply_to && $_ ne "") { + $initial_reply_to =~ s/^\s*<?/</; + $initial_reply_to =~ s/>?\s*$/>/; +} + +if (!defined $smtp_server) { + foreach (qw( /usr/sbin/sendmail /usr/lib/sendmail )) { + if (-x $_) { + $smtp_server = $_; + last; + } + } + $smtp_server ||= 'localhost'; # could be 127.0.0.1, too... *shrug* +} + +if ($compose) { + # Note that this does not need to be secure, but we will make a small + # effort to have it be unique + open(C,">",$compose_filename) + or die "Failed to open for writing $compose_filename: $!"; + print C "From $sender # This line is ignored.\n"; + printf C "Subject: %s\n\n", $initial_subject; + printf C <<EOT; +GIT: Please enter your email below. +GIT: Lines beginning in "GIT: " will be removed. +GIT: Consider including an overall diffstat or table of contents +GIT: for the patch you are writing. + +EOT + close(C); + + my $editor = $ENV{GIT_EDITOR} || $repo->config("core.editor") || $ENV{VISUAL} || $ENV{EDITOR} || "vi"; + system('sh', '-c', '$0 $@', $editor, $compose_filename); + + open(C2,">",$compose_filename . ".final") + or die "Failed to open $compose_filename.final : " . $!; + + open(C,"<",$compose_filename) + or die "Failed to open $compose_filename : " . $!; + + while(<C>) { + next if m/^GIT: /; + print C2 $_; + } + close(C); + close(C2); + + do { + $_ = $term->readline("Send this email? (y|n) "); + } while (!defined $_); + + if (uc substr($_,0,1) ne 'Y') { + cleanup_compose_files(); + exit(0); + } + + @files = ($compose_filename . ".final"); +} + + +# Now that all the defaults are set, process the rest of the command line +# arguments and collect up the files that need to be processed. +for my $f (@ARGV) { + if (-d $f) { + opendir(DH,$f) + or die "Failed to opendir $f: $!"; + + push @files, grep { -f $_ } map { +$f . "/" . $_ } + sort readdir(DH); + + } elsif (-f $f) { + push @files, $f; + + } else { + print STDERR "Skipping $f - not found.\n"; + } +} + +if (@files) { + unless ($quiet) { + print $_,"\n" for (@files); + } +} else { + print STDERR "\nNo patch files specified!\n\n"; + usage(); +} + +# Variables we set as part of the loop over files +our ($message_id, %mail, $subject, $reply_to, $references, $message); + +sub extract_valid_address { + my $address = shift; + my $local_part_regexp = '[^<>"\s@]+'; + my $domain_regexp = '[^.<>"\s@]+(?:\.[^.<>"\s@]+)+'; + + # check for a local address: + return $address if ($address =~ /^($local_part_regexp)$/); + + $address =~ s/^\s*<(.*)>\s*$/$1/; + if ($have_email_valid) { + return scalar 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 + $address =~ /($local_part_regexp\@$domain_regexp)/; + return $1; + } +} + +# Usually don't need to change anything below here. + +# we make a "fake" message id by taking the current number +# of seconds since the beginning of Unix time and tacking on +# a random number to the end, in case we are called quicker than +# 1 second since the last time we were called. + +# We'll setup a template for the message id, using the "from" address: + +my ($message_id_stamp, $message_id_serial); +sub make_message_id +{ + my $uniq; + if (!defined $message_id_stamp) { + $message_id_stamp = sprintf("%s-%s", time, $$); + $message_id_serial = 0; + } + $message_id_serial++; + $uniq = "$message_id_stamp-$message_id_serial"; + + my $du_part; + for ($sender, $repocommitter, $repoauthor) { + $du_part = extract_valid_address(sanitize_address($_)); + last if (defined $du_part and $du_part ne ''); + } + if (not defined $du_part or $du_part eq '') { + use Sys::Hostname qw(); + $du_part = 'user@' . Sys::Hostname::hostname(); + } + my $message_id_template = "<%s-git-send-email-%s>"; + $message_id = sprintf($message_id_template, $uniq, $du_part); + #print "new message id = $message_id\n"; # Was useful for debugging +} + + + +$time = time - scalar $#files; + +sub unquote_rfc2047 { + local ($_) = @_; + my $encoding; + if (s/=\?([^?]+)\?q\?(.*)\?=/$2/g) { + $encoding = $1; + s/_/ /g; + s/=([0-9A-F]{2})/chr(hex($1))/eg; + } + return wantarray ? ($_, $encoding) : $_; +} + +# use the simplest quoting being able to handle the recipient +sub sanitize_address +{ + my ($recipient) = @_; + my ($recipient_name, $recipient_addr) = ($recipient =~ /^(.*?)\s*(<.*)/); + + if (not $recipient_name) { + return "$recipient"; + } + + # if recipient_name is already quoted, do nothing + if ($recipient_name =~ /^(".*"|=\?utf-8\?q\?.*\?=)$/) { + return $recipient; + } + + # rfc2047 is needed if a non-ascii char is included + if ($recipient_name =~ /[^[:ascii:]]/) { + $recipient_name =~ s/([^-a-zA-Z0-9!*+\/])/sprintf("=%02X", ord($1))/eg; + $recipient_name =~ s/(.*)/=\?utf-8\?q\?$1\?=/; + } + + # double quotes are needed if specials or CTLs are included + elsif ($recipient_name =~ /[][()<>@,;:\\".\000-\037\177]/) { + $recipient_name =~ s/(["\\\r])/\\$1/; + $recipient_name = "\"$recipient_name\""; + } + + return "$recipient_name $recipient_addr"; + +} + +sub send_message +{ + my @recipients = unique_email_list(@to); + @cc = (grep { my $cc = extract_valid_address($_); + not grep { $cc eq $_ } @recipients + } + map { sanitize_address($_) } + @cc); + my $to = join (",\n\t", @recipients); + @recipients = unique_email_list(@recipients,@cc,@bcclist); + @recipients = (map { extract_valid_address($_) } @recipients); + my $date = format_2822_time($time++); + my $gitversion = '@@GIT_VERSION@@'; + if ($gitversion =~ m/..GIT_VERSION../) { + $gitversion = Git::version(); + } + + my $cc = join(", ", unique_email_list(@cc)); + my $ccline = ""; + if ($cc ne '') { + $ccline = "\nCc: $cc"; + } + my $sanitized_sender = sanitize_address($sender); + make_message_id() unless defined($message_id); + + my $header = "From: $sanitized_sender +To: $to${ccline} +Subject: $subject +Date: $date +Message-Id: $message_id +X-Mailer: git-send-email $gitversion +"; + if ($thread && $reply_to) { + + $header .= "In-Reply-To: $reply_to\n"; + $header .= "References: $references\n"; + } + if (@xh) { + $header .= join("\n", @xh) . "\n"; + } + + my @sendmail_parameters = ('-i', @recipients); + my $raw_from = $sanitized_sender; + $raw_from = $envelope_sender if (defined $envelope_sender); + $raw_from = extract_valid_address($raw_from); + unshift (@sendmail_parameters, + '-f', $raw_from) if(defined $envelope_sender); + + if ($dry_run) { + # We don't want to send the email. + } elsif ($smtp_server =~ m#^/#) { + my $pid = open my $sm, '|-'; + defined $pid or die $!; + if (!$pid) { + exec($smtp_server, @sendmail_parameters) or die $!; + } + print $sm "$header\n$message"; + close $sm or die $?; + } else { + + if (!defined $smtp_server) { + die "The required SMTP server is not properly defined." + } + + if ($smtp_ssl) { + $smtp_server_port ||= 465; # ssmtp + require Net::SMTP::SSL; + $smtp ||= Net::SMTP::SSL->new($smtp_server, Port => $smtp_server_port); + } + else { + require Net::SMTP; + $smtp ||= Net::SMTP->new((defined $smtp_server_port) + ? "$smtp_server:$smtp_server_port" + : $smtp_server); + } + + if (!$smtp) { + die "Unable to initialize SMTP properly. Is there something wrong with your config?"; + } + + if ((defined $smtp_authuser) && (defined $smtp_authpass)) { + $auth ||= $smtp->auth( $smtp_authuser, $smtp_authpass ) or die $smtp->message; + } + $smtp->mail( $raw_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 ($quiet) { + printf (($dry_run ? "Dry-" : "")."Sent %s\n", $subject); + } else { + print (($dry_run ? "Dry-" : "")."OK. Log says:\n"); + if ($smtp_server !~ m#^/#) { + print "Server: $smtp_server\n"; + print "MAIL FROM:<$raw_from>\n"; + print "RCPT TO:".join(',',(map { "<$_>" } @recipients))."\n"; + } else { + print "Sendmail: $smtp_server ".join(' ',@sendmail_parameters)."\n"; + } + print $header, "\n"; + if ($smtp) { + print "Result: ", $smtp->code, ' ', + ($smtp->message =~ /\n([^\n]+\n)$/s), "\n"; + } else { + print "Result: OK\n"; + } + } +} + +$reply_to = $initial_reply_to; +$references = $initial_reply_to || ''; +$subject = $initial_subject; + +foreach my $t (@files) { + open(F,"<",$t) or die "can't open file $t"; + + my $author = undef; + my $author_encoding; + my $has_content_type; + my $body_encoding; + @cc = @initial_cc; + @xh = (); + my $input_format = undef; + my $header_done = 0; + $message = ""; + while(<F>) { + if (!$header_done) { + if (/^From /) { + $input_format = 'mbox'; + next; + } + chomp; + if (!defined $input_format && /^[-A-Za-z]+:\s/) { + $input_format = 'mbox'; + } + + if (defined $input_format && $input_format eq 'mbox') { + if (/^Subject:\s+(.*)$/) { + $subject = $1; + + } elsif (/^(Cc|From):\s+(.*)$/) { + if (unquote_rfc2047($2) eq $sender) { + next if ($suppress_from); + } + elsif ($1 eq 'From') { + ($author, $author_encoding) + = unquote_rfc2047($2); + } + printf("(mbox) Adding cc: %s from line '%s'\n", + $2, $_) unless $quiet; + push @cc, $2; + } + elsif (/^Content-type:/i) { + $has_content_type = 1; + if (/charset="?[^ "]+/) { + $body_encoding = $1; + } + push @xh, $_; + } + elsif (/^Message-Id: (.*)/i) { + $message_id = $1; + } + elsif (!/^Date:\s/ && /^[-A-Za-z]+:\s+\S/) { + push @xh, $_; + } + + } else { + # In the traditional + # "send lots of email" format, + # line 1 = cc + # line 2 = subject + # So let's support that, too. + $input_format = 'lots'; + if (@cc == 0) { + printf("(non-mbox) Adding cc: %s from line '%s'\n", + $_, $_) unless $quiet; + + push @cc, $_; + + } elsif (!defined $subject) { + $subject = $_; + } + } + + # A whitespace line will terminate the headers + if (m/^\s*$/) { + $header_done = 1; + } + } else { + $message .= $_; + if (/^(Signed-off-by|Cc): (.*)$/i && $signed_off_cc) { + my $c = $2; + chomp $c; + next if ($c eq $sender and $suppress_from); + push @cc, $c; + printf("(sob) Adding cc: %s from line '%s'\n", + $c, $_) unless $quiet; + } + } + } + close F; + + if (defined $cc_cmd) { + open(F, "$cc_cmd $t |") + or die "(cc-cmd) Could not execute '$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'"; + } + + if (defined $author) { + $message = "From: $author\n\n$message"; + if (defined $author_encoding) { + if ($has_content_type) { + if ($body_encoding eq $author_encoding) { + # ok, we already have the right encoding + } + else { + # uh oh, we should re-encode + } + } + else { + push @xh, + 'MIME-Version: 1.0', + "Content-Type: text/plain; charset=$author_encoding", + 'Content-Transfer-Encoding: 8bit'; + } + } + } + + send_message(); + + # set up for the next message + if ($chain_reply_to || !defined $reply_to || length($reply_to) == 0) { + $reply_to = $message_id; + if (length $references > 0) { + $references .= "\n $message_id"; + } else { + $references = "$message_id"; + } + } + $message_id = undef; +} + +if ($compose) { + cleanup_compose_files(); +} + +sub cleanup_compose_files() { + unlink($compose_filename, $compose_filename . ".final"); + +} + +$smtp->quit if $smtp; + +sub unique_email_list(@) { + my %seen; + my @emails; + + foreach my $entry (@_) { + if (my $clean = extract_valid_address($entry)) { + $seen{$clean} ||= 0; + next if $seen{$clean}++; + push @emails, $entry; + } else { + print STDERR "W: unable to extract a valid address", + " from: $entry\n"; + } + } + return @emails; +} |