send-email: fix mutt regex for grouped aliases
[git/git.git] / git-send-email.perl
CommitLineData
83b24437 1#!/usr/bin/perl -w
83b24437 2#
f3d9f354
RA
3# Copyright 2002,2005 Greg Kroah-Hartman <greg@kroah.com>
4# Copyright 2005 Ryan Anderson <ryan@michonline.com>
83b24437
RA
5#
6# GPL v2 (See COPYING)
5825e5b2 7#
83b24437
RA
8# Ported to support git "mbox" format files by Ryan Anderson <ryan@michonline.com>
9#
f3d9f354 10# Sends a collection of emails to the given email addresses, disturbingly fast.
5825e5b2 11#
f3d9f354
RA
12# Supports two formats:
13# 1. mbox format files (ignoring most headers and MIME formatting - this is designed for sending patches)
14# 2. The original format support by Greg's script:
5825e5b2 15# first line of the message is who to CC,
f3d9f354 16# and second line is the subject of the message.
5825e5b2 17#
83b24437
RA
18
19use strict;
20use warnings;
21use Term::ReadLine;
83b24437 22use Getopt::Long;
0e73b3ee 23use Text::ParseWords;
83b24437 24use Data::Dumper;
412876dc 25use Term::ANSIColor;
eed6ca7c 26use File::Temp qw/ tempdir tempfile /;
5df9fcf6 27use Error qw(:try);
3cb8caf7 28use Git;
83b24437 29
5df9fcf6
PH
30Getopt::Long::Configure qw/ pass_through /;
31
280242d1
JH
32package FakeTerm;
33sub new {
34 my ($class, $reason) = @_;
35 return bless \$reason, shift;
36}
37sub readline {
38 my $self = shift;
39 die "Cannot use readline on FakeTerm: $$self";
40}
41package main;
42
1b0baf14
MC
43
44sub usage {
45 print <<EOT;
5df9fcf6 46git send-email [options] <file | directory | rev-list options >
4ed62b03
MW
47
48 Composing:
49 --from <str> * Email From:
50 --to <str> * Email To:
51 --cc <str> * Email Cc:
52 --bcc <str> * Email Bcc:
53 --subject <str> * Email "Subject:"
54 --in-reply-to <str> * Email "In-Reply-To:"
8fd5bb7f 55 --annotate * Review each patch that will be sent in an editor.
4ed62b03
MW
56 --compose * Open an editor for introduction.
57
58 Sending:
59 --envelope-sender <str> * Email envelope sender.
60 --smtp-server <str:int> * Outgoing SMTP server to use. The port
61 is optional. Default 'localhost'.
62 --smtp-server-port <int> * Outgoing SMTP server port.
63 --smtp-user <str> * Username for SMTP-AUTH.
64 --smtp-pass <str> * Password for SMTP-AUTH; not necessary.
65 --smtp-encryption <str> * tls or ssl; anything else disables.
66 --smtp-ssl * Deprecated. Use '--smtp-encryption ssl'.
67
68 Automating:
69 --identity <str> * Use the sendemail.<id> options.
70 --cc-cmd <str> * Email Cc: via `<str> \$patch_path`
3531e270
JS
71 --suppress-cc <str> * author, self, sob, cc, cccmd, body, bodycc, all.
72 --[no-]signed-off-by-cc * Send to Signed-off-by: addresses. Default on.
4ed62b03
MW
73 --[no-]suppress-from * Send to self. Default off.
74 --[no-]chain-reply-to * Chain In-Reply-To: fields. Default on.
75 --[no-]thread * Use In-Reply-To: field. Default on.
76
77 Administering:
c1f2aa45
JS
78 --confirm <str> * Confirm recipients before sending;
79 auto, cc, compose, always, or never.
4ed62b03
MW
80 --quiet * Output one line of info per email.
81 --dry-run * Don't actually send the emails.
82 --[no-]validate * Perform patch sanity checks. Default on.
5df9fcf6
PH
83 --[no-]format-patch * understand any non optional arguments as
84 `git format-patch` ones.
c764a0c2 85
1b0baf14
MC
86EOT
87 exit(1);
88}
89
4bc87a28 90# most mail servers generate the Date: header, but not all...
6bdca890
JN
91sub format_2822_time {
92 my ($time) = @_;
93 my @localtm = localtime($time);
94 my @gmttm = gmtime($time);
95 my $localmin = $localtm[1] + $localtm[2] * 60;
96 my $gmtmin = $gmttm[1] + $gmttm[2] * 60;
97 if ($localtm[0] != $gmttm[0]) {
98 die "local zone differs from GMT by a non-minute interval\n";
99 }
100 if ((($gmttm[6] + 1) % 7) == $localtm[6]) {
101 $localmin += 1440;
102 } elsif ((($gmttm[6] - 1) % 7) == $localtm[6]) {
103 $localmin -= 1440;
104 } elsif ($gmttm[6] != $localtm[6]) {
105 die "local time offset greater than or equal to 24 hours\n";
106 }
107 my $offset = $localmin - $gmtmin;
108 my $offhour = $offset / 60;
109 my $offmin = abs($offset % 60);
110 if (abs($offhour) >= 24) {
111 die ("local time offset greater than or equal to 24 hours\n");
112 }
113
114 return sprintf("%s, %2d %s %d %02d:%02d:%02d %s%02d%02d",
115 qw(Sun Mon Tue Wed Thu Fri Sat)[$localtm[6]],
116 $localtm[3],
117 qw(Jan Feb Mar Apr May Jun
118 Jul Aug Sep Oct Nov Dec)[$localtm[4]],
119 $localtm[5]+1900,
120 $localtm[2],
121 $localtm[1],
122 $localtm[0],
123 ($offset >= 0) ? '+' : '-',
124 abs($offhour),
125 $offmin,
126 );
127}
4bc87a28 128
567ffeb7 129my $have_email_valid = eval { require Email::Valid; 1 };
5012699d 130my $have_mail_address = eval { require Mail::Address; 1 };
4bc87a28 131my $smtp;
5f5b6118 132my $auth;
4bc87a28 133
e205735d 134sub unique_email_list(@);
1f038a0c
RA
135sub cleanup_compose_files();
136
83b24437 137# Variables we fill in automatically, or via prompting:
ce91c2f6 138my (@to,@cc,@initial_cc,@bcclist,@xh,
8fd5bb7f
PH
139 $initial_reply_to,$initial_subject,@files,
140 $author,$sender,$smtp_authpass,$annotate,$compose,$time);
83b24437 141
f073a592 142my $envelope_sender;
78488b2c 143
9133261f 144# Example reply to:
83b24437 145#$initial_reply_to = ''; #<20050203173208.GA23964@foobar.com>';
83b24437 146
ad79c024
FL
147my $repo = eval { Git->repository() };
148my @repo = $repo ? ($repo) : ();
280242d1 149my $term = eval {
0fb7fc75
JS
150 $ENV{"GIT_SEND_EMAIL_NOTTY"}
151 ? new Term::ReadLine 'git-send-email', \*STDIN, \*STDOUT
152 : new Term::ReadLine 'git-send-email';
280242d1
JH
153};
154if ($@) {
155 $term = new FakeTerm "$@: going non-interactive";
156}
83b24437 157
5483c71d
AR
158# Behavior modification variables
159my ($quiet, $dry_run) = (0, 0);
5df9fcf6 160my $format_patch;
afe756c9 161my $compose_filename;
5483c71d 162
8fd5bb7f
PH
163# Handle interactive edition of files.
164my $multiedit;
165my $editor = $ENV{GIT_EDITOR} || Git::config(@repo, "core.editor") || $ENV{VISUAL} || $ENV{EDITOR} || "vi";
166sub do_edit {
167 if (defined($multiedit) && !$multiedit) {
beece9da
PH
168 map {
169 system('sh', '-c', $editor.' "$@"', $editor, $_);
170 if (($? & 127) || ($? >> 8)) {
171 die("the editor exited uncleanly, aborting everything");
172 }
173 } @_;
8fd5bb7f
PH
174 } else {
175 system('sh', '-c', $editor.' "$@"', $editor, @_);
beece9da
PH
176 if (($? & 127) || ($? >> 8)) {
177 die("the editor exited uncleanly, aborting everything");
178 }
8fd5bb7f
PH
179 }
180}
5483c71d
AR
181
182# Variables with corresponding config settings
ddc3d4fe 183my ($thread, $chain_reply_to, $suppress_from, $signed_off_by_cc, $cc_cmd);
f6bebd12 184my ($smtp_server, $smtp_server_port, $smtp_authuser, $smtp_encryption);
44b2476a 185my ($identity, $aliasfiletype, @alias_files, @smtp_host_parts);
c1f2aa45 186my ($validate, $confirm);
65648283 187my (@suppress_cc);
5483c71d 188
34cc60ce 189my %config_bool_settings = (
5483c71d
AR
190 "thread" => [\$thread, 1],
191 "chainreplyto" => [\$chain_reply_to, 1],
65648283 192 "suppressfrom" => [\$suppress_from, undef],
ddc3d4fe
MW
193 "signedoffbycc" => [\$signed_off_by_cc, undef],
194 "signedoffcc" => [\$signed_off_by_cc, undef], # Deprecated
dbf5e1e9 195 "validate" => [\$validate, 1],
e46f7a0e
AR
196);
197
34cc60ce
DS
198my %config_settings = (
199 "smtpserver" => \$smtp_server,
44b2476a 200 "smtpserverport" => \$smtp_server_port,
34cc60ce
DS
201 "smtpuser" => \$smtp_authuser,
202 "smtppass" => \$smtp_authpass,
2db9b49c 203 "to" => \@to,
5f8b9fcd 204 "cc" => \@initial_cc,
34cc60ce
DS
205 "cccmd" => \$cc_cmd,
206 "aliasfiletype" => \$aliasfiletype,
207 "bcc" => \@bcclist,
208 "aliasesfile" => \@alias_files,
65648283 209 "suppresscc" => \@suppress_cc,
9f7820ae 210 "envelopesender" => \$envelope_sender,
8fd5bb7f 211 "multiedit" => \$multiedit,
c1f2aa45 212 "confirm" => \$confirm,
09caa24f 213 "from" => \$sender,
34cc60ce 214);
4a62d3f5 215
87429976
MW
216# Handle Uncouth Termination
217sub signal_handler {
218
219 # Make text normal
220 print color("reset"), "\n";
221
222 # SMTP password masked
223 system "stty echo";
224
225 # tmp files from --compose
afe756c9
JS
226 if (defined $compose_filename) {
227 if (-e $compose_filename) {
228 print "'$compose_filename' contains an intermediate version of the email you were composing.\n";
229 }
230 if (-e ($compose_filename . ".final")) {
231 print "'$compose_filename.final' contains the composed email.\n"
232 }
87429976
MW
233 }
234
235 exit;
236};
237
238$SIG{TERM} = \&signal_handler;
239$SIG{INT} = \&signal_handler;
240
83b24437
RA
241# Begin by accumulating all the variables (defined above), that we will end up
242# needing, first, from the command line:
243
94638f89 244my $rc = GetOptions("sender|from=s" => \$sender,
83b24437
RA
245 "in-reply-to=s" => \$initial_reply_to,
246 "subject=s" => \$initial_subject,
247 "to=s" => \@to,
da140f8b 248 "cc=s" => \@initial_cc,
58063245 249 "bcc=s" => \@bcclist,
78488b2c 250 "chain-reply-to!" => \$chain_reply_to,
3342d850 251 "smtp-server=s" => \$smtp_server,
44b2476a 252 "smtp-server-port=s" => \$smtp_server_port,
34cc60ce 253 "smtp-user=s" => \$smtp_authuser,
2363d746 254 "smtp-pass:s" => \$smtp_authpass,
f6bebd12
TR
255 "smtp-ssl" => sub { $smtp_encryption = 'ssl' },
256 "smtp-encryption=s" => \$smtp_encryption,
34cc60ce 257 "identity=s" => \$identity,
8fd5bb7f 258 "annotate" => \$annotate,
1f038a0c 259 "compose" => \$compose,
30d08b34 260 "quiet" => \$quiet,
324a8bd0 261 "cc-cmd=s" => \$cc_cmd,
5483c71d 262 "suppress-from!" => \$suppress_from,
65648283 263 "suppress-cc=s" => \@suppress_cc,
ddc3d4fe 264 "signed-off-cc|signed-off-by-cc!" => \$signed_off_by_cc,
c1f2aa45 265 "confirm=s" => \$confirm,
6130259c 266 "dry-run" => \$dry_run,
f073a592 267 "envelope-sender=s" => \$envelope_sender,
5483c71d 268 "thread!" => \$thread,
dbf5e1e9 269 "validate!" => \$validate,
5df9fcf6 270 "format-patch!" => \$format_patch,
83b24437
RA
271 );
272
1b0baf14
MC
273unless ($rc) {
274 usage();
275}
276
eed6ca7c
JS
277die "Cannot run git format-patch from outside a repository\n"
278 if $format_patch and not $repo;
279
34cc60ce
DS
280# Now, let's fill any that aren't set in with defaults:
281
282sub read_config {
283 my ($prefix) = @_;
284
285 foreach my $setting (keys %config_bool_settings) {
286 my $target = $config_bool_settings{$setting}->[0];
ad79c024 287 $$target = Git::config_bool(@repo, "$prefix.$setting") unless (defined $$target);
34cc60ce
DS
288 }
289
290 foreach my $setting (keys %config_settings) {
291 my $target = $config_settings{$setting};
292 if (ref($target) eq "ARRAY") {
293 unless (@$target) {
ad79c024 294 my @values = Git::config(@repo, "$prefix.$setting");
34cc60ce
DS
295 @$target = @values if (@values && defined $values[0]);
296 }
297 }
298 else {
ad79c024 299 $$target = Git::config(@repo, "$prefix.$setting") unless (defined $$target);
34cc60ce
DS
300 }
301 }
f6bebd12
TR
302
303 if (!defined $smtp_encryption) {
304 my $enc = Git::config(@repo, "$prefix.smtpencryption");
305 if (defined $enc) {
306 $smtp_encryption = $enc;
307 } elsif (Git::config_bool(@repo, "$prefix.smtpssl")) {
308 $smtp_encryption = 'ssl';
309 }
310 }
34cc60ce
DS
311}
312
313# read configuration from [sendemail "$identity"], fall back on [sendemail]
ad79c024 314$identity = Git::config(@repo, "sendemail.identity") unless (defined $identity);
34cc60ce
DS
315read_config("sendemail.$identity") if (defined $identity);
316read_config("sendemail");
317
318# fall back on builtin bool defaults
319foreach my $setting (values %config_bool_settings) {
320 ${$setting->[0]} = $setting->[1] unless (defined (${$setting->[0]}));
321}
322
fa835cd5
TR
323# 'default' encryption is none -- this only prevents a warning
324$smtp_encryption = '' unless (defined $smtp_encryption);
325
65648283
DB
326# Set CC suppressions
327my(%suppress_cc);
328if (@suppress_cc) {
329 foreach my $entry (@suppress_cc) {
330 die "Unknown --suppress-cc field: '$entry'\n"
3531e270 331 unless $entry =~ /^(all|cccmd|cc|author|self|sob|body|bodycc)$/;
65648283
DB
332 $suppress_cc{$entry} = 1;
333 }
334}
335
336if ($suppress_cc{'all'}) {
cb8a9bd5 337 foreach my $entry (qw (cccmd cc author self sob body bodycc)) {
65648283
DB
338 $suppress_cc{$entry} = 1;
339 }
340 delete $suppress_cc{'all'};
341}
342
343# If explicit old-style ones are specified, they trump --suppress-cc.
344$suppress_cc{'self'} = $suppress_from if defined $suppress_from;
ddc3d4fe 345$suppress_cc{'sob'} = !$signed_off_by_cc if defined $signed_off_by_cc;
65648283 346
3531e270
JS
347if ($suppress_cc{'body'}) {
348 foreach my $entry (qw (sob bodycc)) {
349 $suppress_cc{$entry} = 1;
350 }
351 delete $suppress_cc{'body'};
352}
353
c1f2aa45
JS
354# Set confirm's default value
355my $confirm_unconfigured = !defined $confirm;
356if ($confirm_unconfigured) {
357 $confirm = scalar %suppress_cc ? 'compose' : 'auto';
358};
359die "Unknown --confirm setting: '$confirm'\n"
360 unless $confirm =~ /^(?:auto|cc|compose|always|never)/;
361
65648283
DB
362# Debugging, print out the suppressions.
363if (0) {
364 print "suppressions:\n";
365 foreach my $entry (keys %suppress_cc) {
366 printf " %-5s -> $suppress_cc{$entry}\n", $entry;
367 }
368}
369
ad79c024
FL
370my ($repoauthor, $repocommitter);
371($repoauthor) = Git::ident_person(@repo, 'author');
372($repocommitter) = Git::ident_person(@repo, 'committer');
34cc60ce 373
79ee555b
EB
374# Verify the user input
375
376foreach my $entry (@to) {
377 die "Comma in --to entry: $entry'\n" unless $entry !~ m/,/;
378}
379
380foreach my $entry (@initial_cc) {
381 die "Comma in --cc entry: $entry'\n" unless $entry !~ m/,/;
382}
383
384foreach my $entry (@bcclist) {
385 die "Comma in --bcclist entry: $entry'\n" unless $entry !~ m/,/;
386}
387
5012699d
JS
388sub parse_address_line {
389 if ($have_mail_address) {
390 return map { $_->format } Mail::Address->parse($_[0]);
391 } else {
392 return split_addrs($_[0]);
393 }
394}
395
0e73b3ee 396sub split_addrs {
2f0e7cbb 397 return quotewords('\s*,\s*', 1, @_);
0e73b3ee
WF
398}
399
994d6c66 400my %aliases;
994d6c66
EW
401my %parse_alias = (
402 # multiline formats can be supported in the future
403 mutt => sub { my $fh = shift; while (<$fh>) {
ffc01f9b 404 if (/^\s*alias\s+(?:-group\s+\S+\s+)*(\S+)\s+(.*)$/) {
994d6c66
EW
405 my ($alias, $addr) = ($1, $2);
406 $addr =~ s/#.*$//; # mutt allows # comments
407 # commas delimit multiple addresses
0e73b3ee 408 $aliases{$alias} = [ split_addrs($addr) ];
994d6c66
EW
409 }}},
410 mailrc => sub { my $fh = shift; while (<$fh>) {
411 if (/^alias\s+(\S+)\s+(.*)$/) {
412 # spaces delimit multiple addresses
fe87c921 413 $aliases{$1} = [ quotewords('\s+', 0, $2) ];
994d6c66 414 }}},
73c427eb
TP
415 pine => sub { my $fh = shift; my $f='\t[^\t]*';
416 for (my $x = ''; defined($x); $x = $_) {
417 chomp $x;
418 $x .= $1 while(defined($_ = <$fh>) && /^ +(.*)$/);
419 $x =~ /^(\S+)$f\t\(?([^\t]+?)\)?(:?$f){0,2}$/ or next;
0e73b3ee 420 $aliases{$1} = [ split_addrs($2) ];
73c427eb 421 }},
7613ea35
BP
422 elm => sub { my $fh = shift;
423 while (<$fh>) {
424 if (/^(\S+)\s+=\s+[^=]+=\s(\S+)/) {
425 my ($alias, $addr) = ($1, $2);
426 $aliases{$alias} = [ split_addrs($addr) ];
427 }
428 } },
429
994d6c66
EW
430 gnus => sub { my $fh = shift; while (<$fh>) {
431 if (/\(define-mail-alias\s+"(\S+?)"\s+"(\S+?)"\)/) {
432 $aliases{$1} = [ $2 ];
433 }}}
434);
435
3cb8caf7 436if (@alias_files and $aliasfiletype and defined $parse_alias{$aliasfiletype}) {
994d6c66
EW
437 foreach my $file (@alias_files) {
438 open my $fh, '<', $file or die "opening $file: $!\n";
439 $parse_alias{$aliasfiletype}->($fh);
440 close $fh;
441 }
442}
443
94638f89 444($sender) = expand_aliases($sender) if defined $sender;
ae740a58 445
5df9fcf6
PH
446# returns 1 if the conflict must be solved using it as a format-patch argument
447sub check_file_rev_conflict($) {
eed6ca7c 448 return unless $repo;
5df9fcf6
PH
449 my $f = shift;
450 try {
451 $repo->command('rev-parse', '--verify', '--quiet', $f);
452 if (defined($format_patch)) {
5df9fcf6
PH
453 return $format_patch;
454 }
455 die(<<EOF);
456File '$f' exists but it could also be the range of commits
457to produce patches for. Please disambiguate by...
458
459 * Saying "./$f" if you mean a file; or
460 * Giving --format-patch option if you mean a range.
461EOF
462 } catch Git::Error::Command with {
463 return 0;
464 }
465}
466
aa54892f
JK
467# Now that all the defaults are set, process the rest of the command line
468# arguments and collect up the files that need to be processed.
5df9fcf6 469my @rev_list_opts;
69f4ce55 470while (defined(my $f = shift @ARGV)) {
5df9fcf6
PH
471 if ($f eq "--") {
472 push @rev_list_opts, "--", @ARGV;
473 @ARGV = ();
474 } elsif (-d $f and !check_file_rev_conflict($f)) {
aa54892f
JK
475 opendir(DH,$f)
476 or die "Failed to opendir $f: $!";
477
478 push @files, grep { -f $_ } map { +$f . "/" . $_ }
479 sort readdir(DH);
8c178687 480 closedir(DH);
5df9fcf6 481 } elsif ((-f $f or -p $f) and !check_file_rev_conflict($f)) {
aa54892f 482 push @files, $f;
aa54892f 483 } else {
5df9fcf6 484 push @rev_list_opts, $f;
aa54892f
JK
485 }
486}
487
5df9fcf6 488if (@rev_list_opts) {
eed6ca7c
JS
489 die "Cannot run git format-patch from outside a repository\n"
490 unless $repo;
5df9fcf6
PH
491 push @files, $repo->command('format-patch', '-o', tempdir(CLEANUP => 1), @rev_list_opts);
492}
493
dbf5e1e9 494if ($validate) {
c764a0c2 495 foreach my $f (@files) {
300913bd
KB
496 unless (-p $f) {
497 my $error = validate_patch($f);
498 $error and die "fatal: $f: $error\nwarning: no patches were sent\n";
499 }
c764a0c2 500 }
747bbff9
JK
501}
502
aa54892f
JK
503if (@files) {
504 unless ($quiet) {
505 print $_,"\n" for (@files);
506 }
507} else {
508 print STDERR "\nNo patch files specified!\n\n";
509 usage();
510}
511
beece9da
PH
512sub get_patch_subject($) {
513 my $fn = shift;
514 open (my $fh, '<', $fn);
515 while (my $line = <$fh>) {
516 next unless ($line =~ /^Subject: (.*)$/);
517 close $fh;
518 return "GIT: $1\n";
519 }
520 close $fh;
521 die "No subject line in $fn ?";
522}
523
524if ($compose) {
525 # Note that this does not need to be secure, but we will make a small
526 # effort to have it be unique
afe756c9
JS
527 $compose_filename = ($repo ?
528 tempfile(".gitsendemail.msg.XXXXXX", DIR => $repo->repo_path()) :
529 tempfile(".gitsendemail.msg.XXXXXX", DIR => "."))[1];
beece9da
PH
530 open(C,">",$compose_filename)
531 or die "Failed to open for writing $compose_filename: $!";
532
533
534 my $tpl_sender = $sender || $repoauthor || $repocommitter || '';
535 my $tpl_subject = $initial_subject || '';
536 my $tpl_reply_to = $initial_reply_to || '';
537
538 print C <<EOT;
539From $tpl_sender # This line is ignored.
40e6e8a0 540GIT: Lines beginning in "GIT:" will be removed.
beece9da
PH
541GIT: Consider including an overall diffstat or table of contents
542GIT: for the patch you are writing.
543GIT:
544GIT: Clear the body content if you don't wish to send a summary.
545From: $tpl_sender
546Subject: $tpl_subject
547In-Reply-To: $tpl_reply_to
548
549EOT
550 for my $f (@files) {
551 print C get_patch_subject($f);
552 }
553 close(C);
554
beece9da
PH
555 if ($annotate) {
556 do_edit($compose_filename, @files);
557 } else {
558 do_edit($compose_filename);
559 }
560
561 open(C2,">",$compose_filename . ".final")
562 or die "Failed to open $compose_filename.final : " . $!;
563
564 open(C,"<",$compose_filename)
565 or die "Failed to open $compose_filename : " . $!;
566
567 my $need_8bit_cte = file_has_nonascii($compose_filename);
568 my $in_body = 0;
569 my $summary_empty = 1;
570 while(<C>) {
40e6e8a0 571 next if m/^GIT:/;
beece9da
PH
572 if ($in_body) {
573 $summary_empty = 0 unless (/^\n$/);
574 } elsif (/^\n$/) {
575 $in_body = 1;
576 if ($need_8bit_cte) {
577 print C2 "MIME-Version: 1.0\n",
578 "Content-Type: text/plain; ",
d1fff6fc 579 "charset=UTF-8\n",
beece9da
PH
580 "Content-Transfer-Encoding: 8bit\n";
581 }
582 } elsif (/^MIME-Version:/i) {
583 $need_8bit_cte = 0;
584 } elsif (/^Subject:\s*(.+)\s*$/i) {
585 $initial_subject = $1;
586 my $subject = $initial_subject;
587 $_ = "Subject: " .
588 ($subject =~ /[^[:ascii:]]/ ?
589 quote_rfc2047($subject) :
590 $subject) .
591 "\n";
592 } elsif (/^In-Reply-To:\s*(.+)\s*$/i) {
593 $initial_reply_to = $1;
594 next;
595 } elsif (/^From:\s*(.+)\s*$/i) {
596 $sender = $1;
597 next;
598 } elsif (/^(?:To|Cc|Bcc):/i) {
599 print "To/Cc/Bcc fields are not interpreted yet, they have been ignored\n";
600 next;
601 }
602 print C2 $_;
603 }
604 close(C);
605 close(C2);
606
607 if ($summary_empty) {
608 print "Summary email is empty, skipping it\n";
609 $compose = -1;
610 }
611} elsif ($annotate) {
612 do_edit(@files);
613}
614
6e182518
JS
615sub ask {
616 my ($prompt, %arg) = @_;
0da43a68 617 my $valid_re = $arg{valid_re};
6e182518
JS
618 my $default = $arg{default};
619 my $resp;
620 my $i = 0;
5906f54e
JS
621 return defined $default ? $default : undef
622 unless defined $term->IN and defined fileno($term->IN) and
623 defined $term->OUT and defined fileno($term->OUT);
6e182518
JS
624 while ($i++ < 10) {
625 $resp = $term->readline($prompt);
626 if (!defined $resp) { # EOF
627 print "\n";
628 return defined $default ? $default : undef;
629 }
630 if ($resp eq '' and defined $default) {
631 return $default;
632 }
0da43a68 633 if (!defined $valid_re or $resp =~ /$valid_re/) {
6e182518
JS
634 return $resp;
635 }
636 }
637 return undef;
638}
639
1f038a0c 640my $prompting = 0;
94638f89 641if (!defined $sender) {
ad79c024 642 $sender = $repoauthor || $repocommitter || '';
6e182518
JS
643 $sender = ask("Who should the emails appear to be from? [$sender] ",
644 default => $sender);
94638f89 645 print "Emails will be sent from: ", $sender, "\n";
1f038a0c 646 $prompting++;
83b24437
RA
647}
648
649if (!@to) {
6e182518
JS
650 my $to = ask("Who should the emails be sent to? ");
651 push @to, parse_address_line($to) if defined $to; # sanitized/validated later
1f038a0c 652 $prompting++;
83b24437
RA
653}
654
994d6c66 655sub expand_aliases {
302e04ea
JK
656 return map { expand_one_alias($_) } @_;
657}
658
659my %EXPANDED_ALIASES;
660sub expand_one_alias {
661 my $alias = shift;
662 if ($EXPANDED_ALIASES{$alias}) {
663 die "fatal: alias '$alias' expands to itself\n";
664 }
665 local $EXPANDED_ALIASES{$alias} = 1;
666 return $aliases{$alias} ? expand_aliases(@{$aliases{$alias}}) : $alias;
994d6c66
EW
667}
668
669@to = expand_aliases(@to);
5b56aaa2 670@to = (map { sanitize_address($_) } @to);
994d6c66 671@initial_cc = expand_aliases(@initial_cc);
58063245 672@bcclist = expand_aliases(@bcclist);
994d6c66 673
5483c71d 674if ($thread && !defined $initial_reply_to && $prompting) {
6e182518
JS
675 $initial_reply_to = ask(
676 "Message-ID to be used as In-Reply-To for the first email? ");
83b24437 677}
1ca3d6ed 678if (defined $initial_reply_to) {
0fb7fc75
JS
679 $initial_reply_to =~ s/^\s*<?//;
680 $initial_reply_to =~ s/>?\s*$//;
681 $initial_reply_to = "<$initial_reply_to>" if $initial_reply_to ne '';
ace9c2a9 682}
ace72086 683
34cc60ce 684if (!defined $smtp_server) {
aca7ad76
EW
685 foreach (qw( /usr/sbin/sendmail /usr/lib/sendmail )) {
686 if (-x $_) {
687 $smtp_server = $_;
688 last;
689 }
690 }
691 $smtp_server ||= 'localhost'; # could be 127.0.0.1, too... *shrug*
3342d850
RA
692}
693
c1f2aa45
JS
694if ($compose && $compose > 0) {
695 @files = ($compose_filename . ".final", @files);
1f038a0c
RA
696}
697
83b24437 698# Variables we set as part of the loop over files
c1f2aa45 699our ($message_id, %mail, $subject, $reply_to, $references, $message,
dc1460aa 700 $needs_confirm, $message_num, $ask_default);
83b24437 701
567ffeb7
EW
702sub extract_valid_address {
703 my $address = shift;
ad9c18f5 704 my $local_part_regexp = '[^<>"\s@]+';
09302e17 705 my $domain_regexp = '[^.<>"\s@]+(?:\.[^.<>"\s@]+)+';
db3106b2
EW
706
707 # check for a local address:
ad9c18f5 708 return $address if ($address =~ /^($local_part_regexp)$/);
db3106b2 709
155197e6 710 $address =~ s/^\s*<(.*)>\s*$/$1/;
567ffeb7 711 if ($have_email_valid) {
ad9c18f5 712 return scalar Email::Valid->address($address);
567ffeb7
EW
713 } else {
714 # less robust/correct than the monster regexp in Email::Valid,
715 # but still does a 99% job, and one less dependency
ad9c18f5 716 $address =~ /($local_part_regexp\@$domain_regexp)/;
e96fd305 717 return $1;
567ffeb7
EW
718 }
719}
83b24437
RA
720
721# Usually don't need to change anything below here.
722
723# we make a "fake" message id by taking the current number
724# of seconds since the beginning of Unix time and tacking on
725# a random number to the end, in case we are called quicker than
726# 1 second since the last time we were called.
8037d1a3
RA
727
728# We'll setup a template for the message id, using the "from" address:
8037d1a3 729
be510cfe 730my ($message_id_stamp, $message_id_serial);
83b24437
RA
731sub make_message_id
732{
be510cfe
JH
733 my $uniq;
734 if (!defined $message_id_stamp) {
735 $message_id_stamp = sprintf("%s-%s", time, $$);
736 $message_id_serial = 0;
737 }
738 $message_id_serial++;
739 $uniq = "$message_id_stamp-$message_id_serial";
740
aeb59328 741 my $du_part;
94638f89
UKK
742 for ($sender, $repocommitter, $repoauthor) {
743 $du_part = extract_valid_address(sanitize_address($_));
744 last if (defined $du_part and $du_part ne '');
aeb59328 745 }
94638f89 746 if (not defined $du_part or $du_part eq '') {
aeb59328
JH
747 use Sys::Hostname qw();
748 $du_part = 'user@' . Sys::Hostname::hostname();
749 }
be510cfe
JH
750 my $message_id_template = "<%s-git-send-email-%s>";
751 $message_id = sprintf($message_id_template, $uniq, $du_part);
8037d1a3 752 #print "new message id = $message_id\n"; # Was useful for debugging
83b24437
RA
753}
754
755
756
a5370b16 757$time = time - scalar $#files;
83b24437 758
374c5905
JR
759sub unquote_rfc2047 {
760 local ($_) = @_;
8291db6f
JK
761 my $encoding;
762 if (s/=\?([^?]+)\?q\?(.*)\?=/$2/g) {
763 $encoding = $1;
374c5905
JR
764 s/_/ /g;
765 s/=([0-9A-F]{2})/chr(hex($1))/eg;
766 }
8291db6f 767 return wantarray ? ($_, $encoding) : $_;
374c5905
JR
768}
769
d54eaaa2
JK
770sub quote_rfc2047 {
771 local $_ = shift;
d1fff6fc 772 my $encoding = shift || 'UTF-8';
d54eaaa2
JK
773 s/([^-a-zA-Z0-9!*+\/])/sprintf("=%02X", ord($1))/eg;
774 s/(.*)/=\?$encoding\?q\?$1\?=/;
775 return $_;
776}
777
a3a8262b
BC
778sub is_rfc2047_quoted {
779 my $s = shift;
780 my $token = '[^][()<>@,;:"\/?.= \000-\037\177-\377]+';
781 my $encoded_text = '[!->@-~]+';
782 length($s) <= 75 &&
783 $s =~ m/^(?:"[[:ascii:]]*"|=\?$token\?$token\?$encoded_text\?=)$/o;
784}
785
5b56aaa2
UKK
786# use the simplest quoting being able to handle the recipient
787sub sanitize_address
732263d4
RJ
788{
789 my ($recipient) = @_;
5b56aaa2
UKK
790 my ($recipient_name, $recipient_addr) = ($recipient =~ /^(.*?)\s*(<.*)/);
791
792 if (not $recipient_name) {
793 return "$recipient";
794 }
795
796 # if recipient_name is already quoted, do nothing
a3a8262b 797 if (is_rfc2047_quoted($recipient_name)) {
5b56aaa2
UKK
798 return $recipient;
799 }
800
801 # rfc2047 is needed if a non-ascii char is included
802 if ($recipient_name =~ /[^[:ascii:]]/) {
a61c0ffa 803 $recipient_name =~ s/^"(.*)"$/$1/;
d54eaaa2 804 $recipient_name = quote_rfc2047($recipient_name);
732263d4 805 }
5b56aaa2
UKK
806
807 # double quotes are needed if specials or CTLs are included
808 elsif ($recipient_name =~ /[][()<>@,;:\\".\000-\037\177]/) {
18023c20 809 $recipient_name =~ s/(["\\\r])/\\$1/g;
5b56aaa2
UKK
810 $recipient_name = "\"$recipient_name\"";
811 }
812
813 return "$recipient_name $recipient_addr";
814
732263d4
RJ
815}
816
15da1084 817# Returns 1 if the message was sent, and 0 otherwise.
a1b5b371 818# In actuality, the whole program dies when there
15da1084
MW
819# is an error sending a message.
820
83b24437
RA
821sub send_message
822{
4bc87a28 823 my @recipients = unique_email_list(@to);
7ac17529
ABH
824 @cc = (grep { my $cc = extract_valid_address($_);
825 not grep { $cc eq $_ } @recipients
826 }
827 map { sanitize_address($_) }
828 @cc);
4bc87a28 829 my $to = join (",\n\t", @recipients);
58063245 830 @recipients = unique_email_list(@recipients,@cc,@bcclist);
c38f0247 831 @recipients = (map { extract_valid_address($_) } @recipients);
6bdca890 832 my $date = format_2822_time($time++);
e923effb
ML
833 my $gitversion = '@@GIT_VERSION@@';
834 if ($gitversion =~ m/..GIT_VERSION../) {
3cb8caf7 835 $gitversion = Git::version();
e923effb 836 }
4bc87a28 837
af068d27 838 my $cc = join(", ", unique_email_list(@cc));
f06a6a49
JH
839 my $ccline = "";
840 if ($cc ne '') {
841 $ccline = "\nCc: $cc";
842 }
94638f89 843 my $sanitized_sender = sanitize_address($sender);
4f3d3703 844 make_message_id() unless defined($message_id);
aeb59328 845
94638f89 846 my $header = "From: $sanitized_sender
f06a6a49 847To: $to${ccline}
4bc87a28 848Subject: $subject
4bc87a28
EW
849Date: $date
850Message-Id: $message_id
e923effb 851X-Mailer: git-send-email $gitversion
4bc87a28 852";
3e0c4ffd 853 if ($reply_to) {
7ccf7927
RA
854
855 $header .= "In-Reply-To: $reply_to\n";
856 $header .= "References: $references\n";
857 }
ce91c2f6
JH
858 if (@xh) {
859 $header .= join("\n", @xh) . "\n";
860 }
4bc87a28 861
c38f0247 862 my @sendmail_parameters = ('-i', @recipients);
94638f89 863 my $raw_from = $sanitized_sender;
f073a592
RJ
864 $raw_from = $envelope_sender if (defined $envelope_sender);
865 $raw_from = extract_valid_address($raw_from);
866 unshift (@sendmail_parameters,
867 '-f', $raw_from) if(defined $envelope_sender);
8e3d436b 868
c1f2aa45
JS
869 if ($needs_confirm && !$dry_run) {
870 print "\n$header\n";
871 if ($needs_confirm eq "inform") {
872 $confirm_unconfigured = 0; # squelch this message for the rest of this run
6e182518 873 $ask_default = "y"; # assume yes on EOF since user hasn't explicitly asked for confirmation
c1f2aa45
JS
874 print " The Cc list above has been expanded by additional\n";
875 print " addresses found in the patch commit message. By default\n";
876 print " send-email prompts before sending whenever this occurs.\n";
877 print " This behavior is controlled by the sendemail.confirm\n";
878 print " configuration setting.\n";
879 print "\n";
880 print " For additional information, run 'git send-email --help'.\n";
881 print " To retain the current behavior, but squelch this message,\n";
882 print " run 'git config --global sendemail.confirm auto'.\n\n";
883 }
6e182518
JS
884 $_ = ask("Send this email? ([y]es|[n]o|[q]uit|[a]ll): ",
885 valid_re => qr/^(?:yes|y|no|n|quit|q|all|a)/i,
886 default => $ask_default);
887 die "Send this email reply required" unless defined $_;
c1f2aa45 888 if (/^n/i) {
15da1084 889 return 0;
c1f2aa45
JS
890 } elsif (/^q/i) {
891 cleanup_compose_files();
892 exit(0);
893 } elsif (/^a/i) {
894 $confirm = 'never';
895 }
896 }
897
6130259c
MW
898 if ($dry_run) {
899 # We don't want to send the email.
900 } elsif ($smtp_server =~ m#^/#) {
aca7ad76
EW
901 my $pid = open my $sm, '|-';
902 defined $pid or die $!;
903 if (!$pid) {
8e3d436b 904 exec($smtp_server, @sendmail_parameters) or die $!;
aca7ad76
EW
905 }
906 print $sm "$header\n$message";
907 close $sm or die $?;
908 } else {
44b2476a
JH
909
910 if (!defined $smtp_server) {
911 die "The required SMTP server is not properly defined."
912 }
913
f6bebd12 914 if ($smtp_encryption eq 'ssl') {
44b2476a 915 $smtp_server_port ||= 465; # ssmtp
34cc60ce 916 require Net::SMTP::SSL;
44b2476a 917 $smtp ||= Net::SMTP::SSL->new($smtp_server, Port => $smtp_server_port);
34cc60ce
DS
918 }
919 else {
920 require Net::SMTP;
44b2476a
JH
921 $smtp ||= Net::SMTP->new((defined $smtp_server_port)
922 ? "$smtp_server:$smtp_server_port"
923 : $smtp_server);
fb3650ed 924 if ($smtp_encryption eq 'tls' && $smtp) {
f6bebd12
TR
925 require Net::SMTP::SSL;
926 $smtp->command('STARTTLS');
927 $smtp->response();
928 if ($smtp->code == 220) {
929 $smtp = Net::SMTP::SSL->start_SSL($smtp)
930 or die "STARTTLS failed! ".$smtp->message;
6cbf8b00 931 $smtp_encryption = '';
9d1ccf5e
RS
932 # Send EHLO again to receive fresh
933 # supported commands
934 $smtp->hello();
f6bebd12
TR
935 } else {
936 die "Server does not support STARTTLS! ".$smtp->message;
937 }
938 }
44b2476a
JH
939 }
940
941 if (!$smtp) {
942 die "Unable to initialize SMTP properly. Is there something wrong with your config?";
943 }
944
2363d746
MW
945 if (defined $smtp_authuser) {
946
947 if (!defined $smtp_authpass) {
948
949 system "stty -echo";
950
951 do {
952 print "Password: ";
953 $_ = <STDIN>;
954 print "\n";
955 } while (!defined $_);
956
957 chomp($smtp_authpass = $_);
958
959 system "stty echo";
960 }
961
5f5b6118 962 $auth ||= $smtp->auth( $smtp_authuser, $smtp_authpass ) or die $smtp->message;
34cc60ce 963 }
2363d746 964
2b69bfc2 965 $smtp->mail( $raw_from ) or die $smtp->message;
aca7ad76
EW
966 $smtp->to( @recipients ) or die $smtp->message;
967 $smtp->data or die $smtp->message;
968 $smtp->datasend("$header\n$message") or die $smtp->message;
969 $smtp->dataend() or die $smtp->message;
15da1084 970 $smtp->code =~ /250|200/ or die "Failed to send $subject\n".$smtp->message;
aca7ad76 971 }
2718435b 972 if ($quiet) {
71c7da94 973 printf (($dry_run ? "Dry-" : "")."Sent %s\n", $subject);
2718435b 974 } else {
b7f30e0a 975 print (($dry_run ? "Dry-" : "")."OK. Log says:\n");
2b69bfc2 976 if ($smtp_server !~ m#^/#) {
aca7ad76 977 print "Server: $smtp_server\n";
2b69bfc2
RJ
978 print "MAIL FROM:<$raw_from>\n";
979 print "RCPT TO:".join(',',(map { "<$_>" } @recipients))."\n";
aca7ad76 980 } else {
8e3d436b 981 print "Sendmail: $smtp_server ".join(' ',@sendmail_parameters)."\n";
aca7ad76 982 }
b7f30e0a 983 print $header, "\n";
aca7ad76
EW
984 if ($smtp) {
985 print "Result: ", $smtp->code, ' ',
986 ($smtp->message =~ /\n([^\n]+\n)$/s), "\n";
987 } else {
988 print "Result: OK\n";
989 }
30d08b34 990 }
15da1084
MW
991
992 return 1;
83b24437
RA
993}
994
83b24437 995$reply_to = $initial_reply_to;
2186d566 996$references = $initial_reply_to || '';
83b24437 997$subject = $initial_subject;
c1f2aa45 998$message_num = 0;
83b24437
RA
999
1000foreach my $t (@files) {
83b24437
RA
1001 open(F,"<",$t) or die "can't open file $t";
1002
94638f89 1003 my $author = undef;
8291db6f
JK
1004 my $author_encoding;
1005 my $has_content_type;
1006 my $body_encoding;
c1f2aa45 1007 @cc = ();
ce91c2f6 1008 @xh = ();
e6b0964a 1009 my $input_format = undef;
5012699d 1010 my @header = ();
83b24437 1011 $message = "";
c1f2aa45 1012 $message_num++;
5012699d 1013 # First unfold multiline header fields
83b24437 1014 while(<F>) {
5012699d
JS
1015 last if /^\s*$/;
1016 if (/^\s+\S/ and @header) {
1017 chomp($header[$#header]);
1018 s/^\s+/ /;
1019 $header[$#header] .= $_;
1020 } else {
1021 push(@header, $_);
1022 }
1023 }
1024 # Now parse the header
1025 foreach(@header) {
1026 if (/^From /) {
1027 $input_format = 'mbox';
1028 next;
1029 }
1030 chomp;
1031 if (!defined $input_format && /^[-A-Za-z]+:\s/) {
1032 $input_format = 'mbox';
1033 }
1034
1035 if (defined $input_format && $input_format eq 'mbox') {
1036 if (/^Subject:\s+(.*)$/) {
1037 $subject = $1;
e6b0964a 1038 }
5012699d
JS
1039 elsif (/^From:\s+(.*)$/) {
1040 ($author, $author_encoding) = unquote_rfc2047($1);
1041 next if $suppress_cc{'author'};
1042 next if $suppress_cc{'self'} and $author eq $sender;
1043 printf("(mbox) Adding cc: %s from line '%s'\n",
1044 $1, $_) unless $quiet;
1045 push @cc, $1;
e6b0964a 1046 }
5012699d
JS
1047 elsif (/^Cc:\s+(.*)$/) {
1048 foreach my $addr (parse_address_line($1)) {
1049 if (unquote_rfc2047($addr) eq $sender) {
65648283 1050 next if ($suppress_cc{'self'});
65648283
DB
1051 } else {
1052 next if ($suppress_cc{'cc'});
8a8e6235 1053 }
83b24437 1054 printf("(mbox) Adding cc: %s from line '%s'\n",
5012699d
JS
1055 $addr, $_) unless $quiet;
1056 push @cc, $addr;
83b24437 1057 }
5012699d
JS
1058 }
1059 elsif (/^Content-type:/i) {
1060 $has_content_type = 1;
1061 if (/charset="?([^ "]+)/) {
1062 $body_encoding = $1;
83b24437 1063 }
5012699d 1064 push @xh, $_;
83b24437 1065 }
5012699d
JS
1066 elsif (/^Message-Id: (.*)/i) {
1067 $message_id = $1;
83b24437 1068 }
5012699d
JS
1069 elsif (!/^Date:\s/ && /^[-A-Za-z]+:\s+\S/) {
1070 push @xh, $_;
1071 }
1072
83b24437 1073 } else {
5012699d
JS
1074 # In the traditional
1075 # "send lots of email" format,
1076 # line 1 = cc
1077 # line 2 = subject
1078 # So let's support that, too.
1079 $input_format = 'lots';
1080 if (@cc == 0 && !$suppress_cc{'cc'}) {
1081 printf("(non-mbox) Adding cc: %s from line '%s'\n",
1082 $_, $_) unless $quiet;
1083 push @cc, $_;
1084 } elsif (!defined $subject) {
1085 $subject = $_;
83b24437
RA
1086 }
1087 }
1088 }
5012699d
JS
1089 # Now parse the message body
1090 while(<F>) {
1091 $message .= $_;
1092 if (/^(Signed-off-by|Cc): (.*)$/i) {
5012699d 1093 chomp;
3531e270 1094 my ($what, $c) = ($1, $2);
5012699d 1095 chomp $c;
3531e270
JS
1096 if ($c eq $sender) {
1097 next if ($suppress_cc{'self'});
1098 } else {
1099 next if $suppress_cc{'sob'} and $what =~ /Signed-off-by/i;
1100 next if $suppress_cc{'bodycc'} and $what =~ /Cc/i;
1101 }
5012699d 1102 push @cc, $c;
3531e270 1103 printf("(body) Adding cc: %s from line '%s'\n",
5012699d
JS
1104 $c, $_) unless $quiet;
1105 }
1106 }
83b24437 1107 close F;
324a8bd0 1108
65648283 1109 if (defined $cc_cmd && !$suppress_cc{'cccmd'}) {
cb8a9bd5 1110 open(F, "$cc_cmd \Q$t\E |")
324a8bd0
JP
1111 or die "(cc-cmd) Could not execute '$cc_cmd'";
1112 while(<F>) {
1113 my $c = $_;
1114 $c =~ s/^\s*//g;
1115 $c =~ s/\n$//g;
620bb245 1116 next if ($c eq $sender and $suppress_from);
324a8bd0
JP
1117 push @cc, $c;
1118 printf("(cc-cmd) Adding cc: %s from: '%s'\n",
1119 $c, $cc_cmd) unless $quiet;
1120 }
1121 close F
1122 or die "(cc-cmd) failed to close pipe to '$cc_cmd'";
1123 }
1124
5012699d 1125 if (defined $author and $author ne $sender) {
94638f89 1126 $message = "From: $author\n\n$message";
8291db6f
JK
1127 if (defined $author_encoding) {
1128 if ($has_content_type) {
1129 if ($body_encoding eq $author_encoding) {
1130 # ok, we already have the right encoding
1131 }
1132 else {
1133 # uh oh, we should re-encode
1134 }
1135 }
1136 else {
1137 push @xh,
1138 'MIME-Version: 1.0',
8641ee3d
JK
1139 "Content-Type: text/plain; charset=$author_encoding",
1140 'Content-Transfer-Encoding: 8bit';
8291db6f
JK
1141 }
1142 }
8a8e6235 1143 }
83b24437 1144
c1f2aa45
JS
1145 $needs_confirm = (
1146 $confirm eq "always" or
1147 ($confirm =~ /^(?:auto|cc)$/ && @cc) or
1148 ($confirm =~ /^(?:auto|compose)$/ && $compose && $message_num == 1));
1149 $needs_confirm = "inform" if ($needs_confirm && $confirm_unconfigured && @cc);
1150
1151 @cc = (@initial_cc, @cc);
1152
15da1084 1153 my $message_was_sent = send_message();
83b24437
RA
1154
1155 # set up for the next message
95a877a3 1156 if ($thread && $message_was_sent &&
f74fe34b 1157 ($chain_reply_to || !defined $reply_to || length($reply_to) == 0)) {
78488b2c 1158 $reply_to = $message_id;
7ccf7927 1159 if (length $references > 0) {
a925b89c 1160 $references .= "\n $message_id";
7ccf7927
RA
1161 } else {
1162 $references = "$message_id";
1163 }
78488b2c 1164 }
4f3d3703 1165 $message_id = undef;
83b24437 1166}
e205735d 1167
c1f2aa45 1168cleanup_compose_files();
1f038a0c
RA
1169
1170sub cleanup_compose_files() {
c1f2aa45 1171 unlink($compose_filename, $compose_filename . ".final") if $compose;
1f038a0c
RA
1172}
1173
4bc87a28 1174$smtp->quit if $smtp;
e205735d
RA
1175
1176sub unique_email_list(@) {
1177 my %seen;
1178 my @emails;
1179
1180 foreach my $entry (@_) {
db3106b2
EW
1181 if (my $clean = extract_valid_address($entry)) {
1182 $seen{$clean} ||= 0;
1183 next if $seen{$clean}++;
1184 push @emails, $entry;
1185 } else {
1186 print STDERR "W: unable to extract a valid address",
1187 " from: $entry\n";
1188 }
e205735d
RA
1189 }
1190 return @emails;
1191}
747bbff9
JK
1192
1193sub validate_patch {
1194 my $fn = shift;
1195 open(my $fh, '<', $fn)
1196 or die "unable to open $fn: $!\n";
1197 while (my $line = <$fh>) {
1198 if (length($line) > 998) {
1199 return "$.: patch contains a line longer than 998 characters";
1200 }
1201 }
1202 return undef;
1203}
0706bd19
JK
1204
1205sub file_has_nonascii {
1206 my $fn = shift;
1207 open(my $fh, '<', $fn)
1208 or die "unable to open $fn: $!\n";
1209 while (my $line = <$fh>) {
1210 return 1 if $line =~ /[^[:ascii:]]/;
1211 }
1212 return 0;
1213}