git-send-email.perl: improve error message in send_message()
[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 73 --[no-]suppress-from * Send to self. Default off.
41fe87fa 74 --[no-]chain-reply-to * Chain In-Reply-To: fields. Default off.
4ed62b03
MW
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;
b4479f07
JN
165my $editor = Git::command_oneline('var', 'GIT_EDITOR');
166
8fd5bb7f
PH
167sub do_edit {
168 if (defined($multiedit) && !$multiedit) {
beece9da
PH
169 map {
170 system('sh', '-c', $editor.' "$@"', $editor, $_);
171 if (($? & 127) || ($? >> 8)) {
172 die("the editor exited uncleanly, aborting everything");
173 }
174 } @_;
8fd5bb7f
PH
175 } else {
176 system('sh', '-c', $editor.' "$@"', $editor, @_);
beece9da
PH
177 if (($? & 127) || ($? >> 8)) {
178 die("the editor exited uncleanly, aborting everything");
179 }
8fd5bb7f
PH
180 }
181}
5483c71d
AR
182
183# Variables with corresponding config settings
ddc3d4fe 184my ($thread, $chain_reply_to, $suppress_from, $signed_off_by_cc, $cc_cmd);
f6bebd12 185my ($smtp_server, $smtp_server_port, $smtp_authuser, $smtp_encryption);
44b2476a 186my ($identity, $aliasfiletype, @alias_files, @smtp_host_parts);
c1f2aa45 187my ($validate, $confirm);
65648283 188my (@suppress_cc);
5483c71d 189
528fb087
NS
190my $not_set_by_user = "true but not set by the user";
191
34cc60ce 192my %config_bool_settings = (
5483c71d 193 "thread" => [\$thread, 1],
528fb087 194 "chainreplyto" => [\$chain_reply_to, $not_set_by_user],
65648283 195 "suppressfrom" => [\$suppress_from, undef],
ddc3d4fe
MW
196 "signedoffbycc" => [\$signed_off_by_cc, undef],
197 "signedoffcc" => [\$signed_off_by_cc, undef], # Deprecated
dbf5e1e9 198 "validate" => [\$validate, 1],
e46f7a0e
AR
199);
200
34cc60ce
DS
201my %config_settings = (
202 "smtpserver" => \$smtp_server,
44b2476a 203 "smtpserverport" => \$smtp_server_port,
34cc60ce
DS
204 "smtpuser" => \$smtp_authuser,
205 "smtppass" => \$smtp_authpass,
2db9b49c 206 "to" => \@to,
5f8b9fcd 207 "cc" => \@initial_cc,
34cc60ce
DS
208 "cccmd" => \$cc_cmd,
209 "aliasfiletype" => \$aliasfiletype,
210 "bcc" => \@bcclist,
211 "aliasesfile" => \@alias_files,
65648283 212 "suppresscc" => \@suppress_cc,
9f7820ae 213 "envelopesender" => \$envelope_sender,
8fd5bb7f 214 "multiedit" => \$multiedit,
c1f2aa45 215 "confirm" => \$confirm,
09caa24f 216 "from" => \$sender,
34cc60ce 217);
4a62d3f5 218
528fb087
NS
219# Help users prepare for 1.7.0
220sub chain_reply_to {
221 if (defined $chain_reply_to &&
222 $chain_reply_to eq $not_set_by_user) {
223 print STDERR
a19f101e 224 "In git 1.7.0, the default has changed to --no-chain-reply-to\n" .
528fb087
NS
225 "Set sendemail.chainreplyto configuration variable to true if\n" .
226 "you want to keep --chain-reply-to as your default.\n";
a19f101e 227 $chain_reply_to = 0;
528fb087
NS
228 }
229 return $chain_reply_to;
230}
231
87429976
MW
232# Handle Uncouth Termination
233sub signal_handler {
234
235 # Make text normal
236 print color("reset"), "\n";
237
238 # SMTP password masked
239 system "stty echo";
240
241 # tmp files from --compose
afe756c9
JS
242 if (defined $compose_filename) {
243 if (-e $compose_filename) {
244 print "'$compose_filename' contains an intermediate version of the email you were composing.\n";
245 }
246 if (-e ($compose_filename . ".final")) {
247 print "'$compose_filename.final' contains the composed email.\n"
248 }
87429976
MW
249 }
250
251 exit;
252};
253
254$SIG{TERM} = \&signal_handler;
255$SIG{INT} = \&signal_handler;
256
83b24437
RA
257# Begin by accumulating all the variables (defined above), that we will end up
258# needing, first, from the command line:
259
94638f89 260my $rc = GetOptions("sender|from=s" => \$sender,
83b24437
RA
261 "in-reply-to=s" => \$initial_reply_to,
262 "subject=s" => \$initial_subject,
263 "to=s" => \@to,
da140f8b 264 "cc=s" => \@initial_cc,
58063245 265 "bcc=s" => \@bcclist,
78488b2c 266 "chain-reply-to!" => \$chain_reply_to,
3342d850 267 "smtp-server=s" => \$smtp_server,
44b2476a 268 "smtp-server-port=s" => \$smtp_server_port,
34cc60ce 269 "smtp-user=s" => \$smtp_authuser,
2363d746 270 "smtp-pass:s" => \$smtp_authpass,
f6bebd12
TR
271 "smtp-ssl" => sub { $smtp_encryption = 'ssl' },
272 "smtp-encryption=s" => \$smtp_encryption,
34cc60ce 273 "identity=s" => \$identity,
8fd5bb7f 274 "annotate" => \$annotate,
1f038a0c 275 "compose" => \$compose,
30d08b34 276 "quiet" => \$quiet,
324a8bd0 277 "cc-cmd=s" => \$cc_cmd,
5483c71d 278 "suppress-from!" => \$suppress_from,
65648283 279 "suppress-cc=s" => \@suppress_cc,
ddc3d4fe 280 "signed-off-cc|signed-off-by-cc!" => \$signed_off_by_cc,
c1f2aa45 281 "confirm=s" => \$confirm,
6130259c 282 "dry-run" => \$dry_run,
f073a592 283 "envelope-sender=s" => \$envelope_sender,
5483c71d 284 "thread!" => \$thread,
dbf5e1e9 285 "validate!" => \$validate,
5df9fcf6 286 "format-patch!" => \$format_patch,
83b24437
RA
287 );
288
1b0baf14
MC
289unless ($rc) {
290 usage();
291}
292
eed6ca7c
JS
293die "Cannot run git format-patch from outside a repository\n"
294 if $format_patch and not $repo;
295
34cc60ce
DS
296# Now, let's fill any that aren't set in with defaults:
297
298sub read_config {
299 my ($prefix) = @_;
300
301 foreach my $setting (keys %config_bool_settings) {
302 my $target = $config_bool_settings{$setting}->[0];
ad79c024 303 $$target = Git::config_bool(@repo, "$prefix.$setting") unless (defined $$target);
34cc60ce
DS
304 }
305
306 foreach my $setting (keys %config_settings) {
307 my $target = $config_settings{$setting};
308 if (ref($target) eq "ARRAY") {
309 unless (@$target) {
ad79c024 310 my @values = Git::config(@repo, "$prefix.$setting");
34cc60ce
DS
311 @$target = @values if (@values && defined $values[0]);
312 }
313 }
314 else {
ad79c024 315 $$target = Git::config(@repo, "$prefix.$setting") unless (defined $$target);
34cc60ce
DS
316 }
317 }
f6bebd12
TR
318
319 if (!defined $smtp_encryption) {
320 my $enc = Git::config(@repo, "$prefix.smtpencryption");
321 if (defined $enc) {
322 $smtp_encryption = $enc;
323 } elsif (Git::config_bool(@repo, "$prefix.smtpssl")) {
324 $smtp_encryption = 'ssl';
325 }
326 }
34cc60ce
DS
327}
328
329# read configuration from [sendemail "$identity"], fall back on [sendemail]
ad79c024 330$identity = Git::config(@repo, "sendemail.identity") unless (defined $identity);
34cc60ce
DS
331read_config("sendemail.$identity") if (defined $identity);
332read_config("sendemail");
333
334# fall back on builtin bool defaults
335foreach my $setting (values %config_bool_settings) {
336 ${$setting->[0]} = $setting->[1] unless (defined (${$setting->[0]}));
337}
338
fa835cd5
TR
339# 'default' encryption is none -- this only prevents a warning
340$smtp_encryption = '' unless (defined $smtp_encryption);
341
65648283
DB
342# Set CC suppressions
343my(%suppress_cc);
344if (@suppress_cc) {
345 foreach my $entry (@suppress_cc) {
346 die "Unknown --suppress-cc field: '$entry'\n"
3531e270 347 unless $entry =~ /^(all|cccmd|cc|author|self|sob|body|bodycc)$/;
65648283
DB
348 $suppress_cc{$entry} = 1;
349 }
350}
351
352if ($suppress_cc{'all'}) {
cb8a9bd5 353 foreach my $entry (qw (cccmd cc author self sob body bodycc)) {
65648283
DB
354 $suppress_cc{$entry} = 1;
355 }
356 delete $suppress_cc{'all'};
357}
358
359# If explicit old-style ones are specified, they trump --suppress-cc.
360$suppress_cc{'self'} = $suppress_from if defined $suppress_from;
ddc3d4fe 361$suppress_cc{'sob'} = !$signed_off_by_cc if defined $signed_off_by_cc;
65648283 362
3531e270
JS
363if ($suppress_cc{'body'}) {
364 foreach my $entry (qw (sob bodycc)) {
365 $suppress_cc{$entry} = 1;
366 }
367 delete $suppress_cc{'body'};
368}
369
c1f2aa45
JS
370# Set confirm's default value
371my $confirm_unconfigured = !defined $confirm;
372if ($confirm_unconfigured) {
373 $confirm = scalar %suppress_cc ? 'compose' : 'auto';
374};
375die "Unknown --confirm setting: '$confirm'\n"
376 unless $confirm =~ /^(?:auto|cc|compose|always|never)/;
377
65648283
DB
378# Debugging, print out the suppressions.
379if (0) {
380 print "suppressions:\n";
381 foreach my $entry (keys %suppress_cc) {
382 printf " %-5s -> $suppress_cc{$entry}\n", $entry;
383 }
384}
385
ad79c024
FL
386my ($repoauthor, $repocommitter);
387($repoauthor) = Git::ident_person(@repo, 'author');
388($repocommitter) = Git::ident_person(@repo, 'committer');
34cc60ce 389
79ee555b
EB
390# Verify the user input
391
392foreach my $entry (@to) {
393 die "Comma in --to entry: $entry'\n" unless $entry !~ m/,/;
394}
395
396foreach my $entry (@initial_cc) {
397 die "Comma in --cc entry: $entry'\n" unless $entry !~ m/,/;
398}
399
400foreach my $entry (@bcclist) {
401 die "Comma in --bcclist entry: $entry'\n" unless $entry !~ m/,/;
402}
403
5012699d
JS
404sub parse_address_line {
405 if ($have_mail_address) {
406 return map { $_->format } Mail::Address->parse($_[0]);
407 } else {
408 return split_addrs($_[0]);
409 }
410}
411
0e73b3ee 412sub split_addrs {
2f0e7cbb 413 return quotewords('\s*,\s*', 1, @_);
0e73b3ee
WF
414}
415
994d6c66 416my %aliases;
994d6c66
EW
417my %parse_alias = (
418 # multiline formats can be supported in the future
419 mutt => sub { my $fh = shift; while (<$fh>) {
ffc01f9b 420 if (/^\s*alias\s+(?:-group\s+\S+\s+)*(\S+)\s+(.*)$/) {
994d6c66
EW
421 my ($alias, $addr) = ($1, $2);
422 $addr =~ s/#.*$//; # mutt allows # comments
423 # commas delimit multiple addresses
0e73b3ee 424 $aliases{$alias} = [ split_addrs($addr) ];
994d6c66
EW
425 }}},
426 mailrc => sub { my $fh = shift; while (<$fh>) {
427 if (/^alias\s+(\S+)\s+(.*)$/) {
428 # spaces delimit multiple addresses
fe87c921 429 $aliases{$1} = [ quotewords('\s+', 0, $2) ];
994d6c66 430 }}},
73c427eb
TP
431 pine => sub { my $fh = shift; my $f='\t[^\t]*';
432 for (my $x = ''; defined($x); $x = $_) {
433 chomp $x;
434 $x .= $1 while(defined($_ = <$fh>) && /^ +(.*)$/);
435 $x =~ /^(\S+)$f\t\(?([^\t]+?)\)?(:?$f){0,2}$/ or next;
0e73b3ee 436 $aliases{$1} = [ split_addrs($2) ];
73c427eb 437 }},
7613ea35
BP
438 elm => sub { my $fh = shift;
439 while (<$fh>) {
440 if (/^(\S+)\s+=\s+[^=]+=\s(\S+)/) {
441 my ($alias, $addr) = ($1, $2);
442 $aliases{$alias} = [ split_addrs($addr) ];
443 }
444 } },
445
994d6c66
EW
446 gnus => sub { my $fh = shift; while (<$fh>) {
447 if (/\(define-mail-alias\s+"(\S+?)"\s+"(\S+?)"\)/) {
448 $aliases{$1} = [ $2 ];
449 }}}
450);
451
3cb8caf7 452if (@alias_files and $aliasfiletype and defined $parse_alias{$aliasfiletype}) {
994d6c66
EW
453 foreach my $file (@alias_files) {
454 open my $fh, '<', $file or die "opening $file: $!\n";
455 $parse_alias{$aliasfiletype}->($fh);
456 close $fh;
457 }
458}
459
94638f89 460($sender) = expand_aliases($sender) if defined $sender;
ae740a58 461
5df9fcf6
PH
462# returns 1 if the conflict must be solved using it as a format-patch argument
463sub check_file_rev_conflict($) {
eed6ca7c 464 return unless $repo;
5df9fcf6
PH
465 my $f = shift;
466 try {
467 $repo->command('rev-parse', '--verify', '--quiet', $f);
468 if (defined($format_patch)) {
5df9fcf6
PH
469 return $format_patch;
470 }
471 die(<<EOF);
472File '$f' exists but it could also be the range of commits
473to produce patches for. Please disambiguate by...
474
475 * Saying "./$f" if you mean a file; or
476 * Giving --format-patch option if you mean a range.
477EOF
478 } catch Git::Error::Command with {
479 return 0;
480 }
481}
482
aa54892f
JK
483# Now that all the defaults are set, process the rest of the command line
484# arguments and collect up the files that need to be processed.
5df9fcf6 485my @rev_list_opts;
69f4ce55 486while (defined(my $f = shift @ARGV)) {
5df9fcf6
PH
487 if ($f eq "--") {
488 push @rev_list_opts, "--", @ARGV;
489 @ARGV = ();
490 } elsif (-d $f and !check_file_rev_conflict($f)) {
aa54892f
JK
491 opendir(DH,$f)
492 or die "Failed to opendir $f: $!";
493
494 push @files, grep { -f $_ } map { +$f . "/" . $_ }
495 sort readdir(DH);
8c178687 496 closedir(DH);
5df9fcf6 497 } elsif ((-f $f or -p $f) and !check_file_rev_conflict($f)) {
aa54892f 498 push @files, $f;
aa54892f 499 } else {
5df9fcf6 500 push @rev_list_opts, $f;
aa54892f
JK
501 }
502}
503
5df9fcf6 504if (@rev_list_opts) {
eed6ca7c
JS
505 die "Cannot run git format-patch from outside a repository\n"
506 unless $repo;
5df9fcf6
PH
507 push @files, $repo->command('format-patch', '-o', tempdir(CLEANUP => 1), @rev_list_opts);
508}
509
dbf5e1e9 510if ($validate) {
c764a0c2 511 foreach my $f (@files) {
300913bd
KB
512 unless (-p $f) {
513 my $error = validate_patch($f);
514 $error and die "fatal: $f: $error\nwarning: no patches were sent\n";
515 }
c764a0c2 516 }
747bbff9
JK
517}
518
aa54892f
JK
519if (@files) {
520 unless ($quiet) {
521 print $_,"\n" for (@files);
522 }
523} else {
524 print STDERR "\nNo patch files specified!\n\n";
525 usage();
526}
527
beece9da
PH
528sub get_patch_subject($) {
529 my $fn = shift;
530 open (my $fh, '<', $fn);
531 while (my $line = <$fh>) {
532 next unless ($line =~ /^Subject: (.*)$/);
533 close $fh;
534 return "GIT: $1\n";
535 }
536 close $fh;
537 die "No subject line in $fn ?";
538}
539
540if ($compose) {
541 # Note that this does not need to be secure, but we will make a small
542 # effort to have it be unique
afe756c9
JS
543 $compose_filename = ($repo ?
544 tempfile(".gitsendemail.msg.XXXXXX", DIR => $repo->repo_path()) :
545 tempfile(".gitsendemail.msg.XXXXXX", DIR => "."))[1];
beece9da
PH
546 open(C,">",$compose_filename)
547 or die "Failed to open for writing $compose_filename: $!";
548
549
550 my $tpl_sender = $sender || $repoauthor || $repocommitter || '';
551 my $tpl_subject = $initial_subject || '';
552 my $tpl_reply_to = $initial_reply_to || '';
553
554 print C <<EOT;
555From $tpl_sender # This line is ignored.
40e6e8a0 556GIT: Lines beginning in "GIT:" will be removed.
beece9da
PH
557GIT: Consider including an overall diffstat or table of contents
558GIT: for the patch you are writing.
559GIT:
560GIT: Clear the body content if you don't wish to send a summary.
561From: $tpl_sender
562Subject: $tpl_subject
563In-Reply-To: $tpl_reply_to
564
565EOT
566 for my $f (@files) {
567 print C get_patch_subject($f);
568 }
569 close(C);
570
beece9da
PH
571 if ($annotate) {
572 do_edit($compose_filename, @files);
573 } else {
574 do_edit($compose_filename);
575 }
576
577 open(C2,">",$compose_filename . ".final")
578 or die "Failed to open $compose_filename.final : " . $!;
579
580 open(C,"<",$compose_filename)
581 or die "Failed to open $compose_filename : " . $!;
582
583 my $need_8bit_cte = file_has_nonascii($compose_filename);
584 my $in_body = 0;
585 my $summary_empty = 1;
586 while(<C>) {
40e6e8a0 587 next if m/^GIT:/;
beece9da
PH
588 if ($in_body) {
589 $summary_empty = 0 unless (/^\n$/);
590 } elsif (/^\n$/) {
591 $in_body = 1;
592 if ($need_8bit_cte) {
593 print C2 "MIME-Version: 1.0\n",
594 "Content-Type: text/plain; ",
d1fff6fc 595 "charset=UTF-8\n",
beece9da
PH
596 "Content-Transfer-Encoding: 8bit\n";
597 }
598 } elsif (/^MIME-Version:/i) {
599 $need_8bit_cte = 0;
600 } elsif (/^Subject:\s*(.+)\s*$/i) {
601 $initial_subject = $1;
602 my $subject = $initial_subject;
603 $_ = "Subject: " .
604 ($subject =~ /[^[:ascii:]]/ ?
605 quote_rfc2047($subject) :
606 $subject) .
607 "\n";
608 } elsif (/^In-Reply-To:\s*(.+)\s*$/i) {
609 $initial_reply_to = $1;
610 next;
611 } elsif (/^From:\s*(.+)\s*$/i) {
612 $sender = $1;
613 next;
614 } elsif (/^(?:To|Cc|Bcc):/i) {
615 print "To/Cc/Bcc fields are not interpreted yet, they have been ignored\n";
616 next;
617 }
618 print C2 $_;
619 }
620 close(C);
621 close(C2);
622
623 if ($summary_empty) {
624 print "Summary email is empty, skipping it\n";
625 $compose = -1;
626 }
627} elsif ($annotate) {
628 do_edit(@files);
629}
630
6e182518
JS
631sub ask {
632 my ($prompt, %arg) = @_;
0da43a68 633 my $valid_re = $arg{valid_re};
6e182518
JS
634 my $default = $arg{default};
635 my $resp;
636 my $i = 0;
5906f54e
JS
637 return defined $default ? $default : undef
638 unless defined $term->IN and defined fileno($term->IN) and
639 defined $term->OUT and defined fileno($term->OUT);
6e182518
JS
640 while ($i++ < 10) {
641 $resp = $term->readline($prompt);
642 if (!defined $resp) { # EOF
643 print "\n";
644 return defined $default ? $default : undef;
645 }
646 if ($resp eq '' and defined $default) {
647 return $default;
648 }
0da43a68 649 if (!defined $valid_re or $resp =~ /$valid_re/) {
6e182518
JS
650 return $resp;
651 }
652 }
653 return undef;
654}
655
1f038a0c 656my $prompting = 0;
94638f89 657if (!defined $sender) {
ad79c024 658 $sender = $repoauthor || $repocommitter || '';
6e182518
JS
659 $sender = ask("Who should the emails appear to be from? [$sender] ",
660 default => $sender);
94638f89 661 print "Emails will be sent from: ", $sender, "\n";
1f038a0c 662 $prompting++;
83b24437
RA
663}
664
665if (!@to) {
6e182518
JS
666 my $to = ask("Who should the emails be sent to? ");
667 push @to, parse_address_line($to) if defined $to; # sanitized/validated later
1f038a0c 668 $prompting++;
83b24437
RA
669}
670
994d6c66 671sub expand_aliases {
302e04ea
JK
672 return map { expand_one_alias($_) } @_;
673}
674
675my %EXPANDED_ALIASES;
676sub expand_one_alias {
677 my $alias = shift;
678 if ($EXPANDED_ALIASES{$alias}) {
679 die "fatal: alias '$alias' expands to itself\n";
680 }
681 local $EXPANDED_ALIASES{$alias} = 1;
682 return $aliases{$alias} ? expand_aliases(@{$aliases{$alias}}) : $alias;
994d6c66
EW
683}
684
685@to = expand_aliases(@to);
5b56aaa2 686@to = (map { sanitize_address($_) } @to);
994d6c66 687@initial_cc = expand_aliases(@initial_cc);
58063245 688@bcclist = expand_aliases(@bcclist);
994d6c66 689
5483c71d 690if ($thread && !defined $initial_reply_to && $prompting) {
6e182518
JS
691 $initial_reply_to = ask(
692 "Message-ID to be used as In-Reply-To for the first email? ");
83b24437 693}
1ca3d6ed 694if (defined $initial_reply_to) {
0fb7fc75
JS
695 $initial_reply_to =~ s/^\s*<?//;
696 $initial_reply_to =~ s/>?\s*$//;
697 $initial_reply_to = "<$initial_reply_to>" if $initial_reply_to ne '';
ace9c2a9 698}
ace72086 699
34cc60ce 700if (!defined $smtp_server) {
aca7ad76
EW
701 foreach (qw( /usr/sbin/sendmail /usr/lib/sendmail )) {
702 if (-x $_) {
703 $smtp_server = $_;
704 last;
705 }
706 }
707 $smtp_server ||= 'localhost'; # could be 127.0.0.1, too... *shrug*
3342d850
RA
708}
709
c1f2aa45
JS
710if ($compose && $compose > 0) {
711 @files = ($compose_filename . ".final", @files);
1f038a0c
RA
712}
713
83b24437 714# Variables we set as part of the loop over files
c1f2aa45 715our ($message_id, %mail, $subject, $reply_to, $references, $message,
dc1460aa 716 $needs_confirm, $message_num, $ask_default);
83b24437 717
567ffeb7
EW
718sub extract_valid_address {
719 my $address = shift;
ad9c18f5 720 my $local_part_regexp = '[^<>"\s@]+';
09302e17 721 my $domain_regexp = '[^.<>"\s@]+(?:\.[^.<>"\s@]+)+';
db3106b2
EW
722
723 # check for a local address:
ad9c18f5 724 return $address if ($address =~ /^($local_part_regexp)$/);
db3106b2 725
155197e6 726 $address =~ s/^\s*<(.*)>\s*$/$1/;
567ffeb7 727 if ($have_email_valid) {
ad9c18f5 728 return scalar Email::Valid->address($address);
567ffeb7
EW
729 } else {
730 # less robust/correct than the monster regexp in Email::Valid,
731 # but still does a 99% job, and one less dependency
ad9c18f5 732 $address =~ /($local_part_regexp\@$domain_regexp)/;
e96fd305 733 return $1;
567ffeb7
EW
734 }
735}
83b24437
RA
736
737# Usually don't need to change anything below here.
738
739# we make a "fake" message id by taking the current number
740# of seconds since the beginning of Unix time and tacking on
741# a random number to the end, in case we are called quicker than
742# 1 second since the last time we were called.
8037d1a3
RA
743
744# We'll setup a template for the message id, using the "from" address:
8037d1a3 745
be510cfe 746my ($message_id_stamp, $message_id_serial);
83b24437
RA
747sub make_message_id
748{
be510cfe
JH
749 my $uniq;
750 if (!defined $message_id_stamp) {
751 $message_id_stamp = sprintf("%s-%s", time, $$);
752 $message_id_serial = 0;
753 }
754 $message_id_serial++;
755 $uniq = "$message_id_stamp-$message_id_serial";
756
aeb59328 757 my $du_part;
94638f89
UKK
758 for ($sender, $repocommitter, $repoauthor) {
759 $du_part = extract_valid_address(sanitize_address($_));
760 last if (defined $du_part and $du_part ne '');
aeb59328 761 }
94638f89 762 if (not defined $du_part or $du_part eq '') {
aeb59328
JH
763 use Sys::Hostname qw();
764 $du_part = 'user@' . Sys::Hostname::hostname();
765 }
be510cfe
JH
766 my $message_id_template = "<%s-git-send-email-%s>";
767 $message_id = sprintf($message_id_template, $uniq, $du_part);
8037d1a3 768 #print "new message id = $message_id\n"; # Was useful for debugging
83b24437
RA
769}
770
771
772
a5370b16 773$time = time - scalar $#files;
83b24437 774
374c5905
JR
775sub unquote_rfc2047 {
776 local ($_) = @_;
8291db6f
JK
777 my $encoding;
778 if (s/=\?([^?]+)\?q\?(.*)\?=/$2/g) {
779 $encoding = $1;
374c5905
JR
780 s/_/ /g;
781 s/=([0-9A-F]{2})/chr(hex($1))/eg;
782 }
8291db6f 783 return wantarray ? ($_, $encoding) : $_;
374c5905
JR
784}
785
d54eaaa2
JK
786sub quote_rfc2047 {
787 local $_ = shift;
d1fff6fc 788 my $encoding = shift || 'UTF-8';
d54eaaa2
JK
789 s/([^-a-zA-Z0-9!*+\/])/sprintf("=%02X", ord($1))/eg;
790 s/(.*)/=\?$encoding\?q\?$1\?=/;
791 return $_;
792}
793
a3a8262b
BC
794sub is_rfc2047_quoted {
795 my $s = shift;
796 my $token = '[^][()<>@,;:"\/?.= \000-\037\177-\377]+';
797 my $encoded_text = '[!->@-~]+';
798 length($s) <= 75 &&
799 $s =~ m/^(?:"[[:ascii:]]*"|=\?$token\?$token\?$encoded_text\?=)$/o;
800}
801
5b56aaa2
UKK
802# use the simplest quoting being able to handle the recipient
803sub sanitize_address
732263d4
RJ
804{
805 my ($recipient) = @_;
5b56aaa2
UKK
806 my ($recipient_name, $recipient_addr) = ($recipient =~ /^(.*?)\s*(<.*)/);
807
808 if (not $recipient_name) {
809 return "$recipient";
810 }
811
812 # if recipient_name is already quoted, do nothing
a3a8262b 813 if (is_rfc2047_quoted($recipient_name)) {
5b56aaa2
UKK
814 return $recipient;
815 }
816
817 # rfc2047 is needed if a non-ascii char is included
818 if ($recipient_name =~ /[^[:ascii:]]/) {
a61c0ffa 819 $recipient_name =~ s/^"(.*)"$/$1/;
d54eaaa2 820 $recipient_name = quote_rfc2047($recipient_name);
732263d4 821 }
5b56aaa2
UKK
822
823 # double quotes are needed if specials or CTLs are included
824 elsif ($recipient_name =~ /[][()<>@,;:\\".\000-\037\177]/) {
18023c20 825 $recipient_name =~ s/(["\\\r])/\\$1/g;
5b56aaa2
UKK
826 $recipient_name = "\"$recipient_name\"";
827 }
828
829 return "$recipient_name $recipient_addr";
830
732263d4
RJ
831}
832
15da1084 833# Returns 1 if the message was sent, and 0 otherwise.
a1b5b371 834# In actuality, the whole program dies when there
15da1084
MW
835# is an error sending a message.
836
83b24437
RA
837sub send_message
838{
4bc87a28 839 my @recipients = unique_email_list(@to);
7ac17529
ABH
840 @cc = (grep { my $cc = extract_valid_address($_);
841 not grep { $cc eq $_ } @recipients
842 }
843 map { sanitize_address($_) }
844 @cc);
4bc87a28 845 my $to = join (",\n\t", @recipients);
58063245 846 @recipients = unique_email_list(@recipients,@cc,@bcclist);
c38f0247 847 @recipients = (map { extract_valid_address($_) } @recipients);
6bdca890 848 my $date = format_2822_time($time++);
e923effb
ML
849 my $gitversion = '@@GIT_VERSION@@';
850 if ($gitversion =~ m/..GIT_VERSION../) {
3cb8caf7 851 $gitversion = Git::version();
e923effb 852 }
4bc87a28 853
02461e0e 854 my $cc = join(",\n\t", unique_email_list(@cc));
f06a6a49
JH
855 my $ccline = "";
856 if ($cc ne '') {
857 $ccline = "\nCc: $cc";
858 }
94638f89 859 my $sanitized_sender = sanitize_address($sender);
4f3d3703 860 make_message_id() unless defined($message_id);
aeb59328 861
94638f89 862 my $header = "From: $sanitized_sender
f06a6a49 863To: $to${ccline}
4bc87a28 864Subject: $subject
4bc87a28
EW
865Date: $date
866Message-Id: $message_id
e923effb 867X-Mailer: git-send-email $gitversion
4bc87a28 868";
3e0c4ffd 869 if ($reply_to) {
7ccf7927
RA
870
871 $header .= "In-Reply-To: $reply_to\n";
872 $header .= "References: $references\n";
873 }
ce91c2f6
JH
874 if (@xh) {
875 $header .= join("\n", @xh) . "\n";
876 }
4bc87a28 877
c38f0247 878 my @sendmail_parameters = ('-i', @recipients);
94638f89 879 my $raw_from = $sanitized_sender;
c89e3241
FC
880 if (defined $envelope_sender && $envelope_sender ne "auto") {
881 $raw_from = $envelope_sender;
882 }
f073a592
RJ
883 $raw_from = extract_valid_address($raw_from);
884 unshift (@sendmail_parameters,
885 '-f', $raw_from) if(defined $envelope_sender);
8e3d436b 886
c1f2aa45
JS
887 if ($needs_confirm && !$dry_run) {
888 print "\n$header\n";
889 if ($needs_confirm eq "inform") {
890 $confirm_unconfigured = 0; # squelch this message for the rest of this run
6e182518 891 $ask_default = "y"; # assume yes on EOF since user hasn't explicitly asked for confirmation
c1f2aa45
JS
892 print " The Cc list above has been expanded by additional\n";
893 print " addresses found in the patch commit message. By default\n";
894 print " send-email prompts before sending whenever this occurs.\n";
895 print " This behavior is controlled by the sendemail.confirm\n";
896 print " configuration setting.\n";
897 print "\n";
898 print " For additional information, run 'git send-email --help'.\n";
899 print " To retain the current behavior, but squelch this message,\n";
900 print " run 'git config --global sendemail.confirm auto'.\n\n";
901 }
6e182518
JS
902 $_ = ask("Send this email? ([y]es|[n]o|[q]uit|[a]ll): ",
903 valid_re => qr/^(?:yes|y|no|n|quit|q|all|a)/i,
904 default => $ask_default);
905 die "Send this email reply required" unless defined $_;
c1f2aa45 906 if (/^n/i) {
15da1084 907 return 0;
c1f2aa45
JS
908 } elsif (/^q/i) {
909 cleanup_compose_files();
910 exit(0);
911 } elsif (/^a/i) {
912 $confirm = 'never';
913 }
914 }
915
6130259c
MW
916 if ($dry_run) {
917 # We don't want to send the email.
918 } elsif ($smtp_server =~ m#^/#) {
aca7ad76
EW
919 my $pid = open my $sm, '|-';
920 defined $pid or die $!;
921 if (!$pid) {
8e3d436b 922 exec($smtp_server, @sendmail_parameters) or die $!;
aca7ad76
EW
923 }
924 print $sm "$header\n$message";
925 close $sm or die $?;
926 } else {
44b2476a
JH
927
928 if (!defined $smtp_server) {
929 die "The required SMTP server is not properly defined."
930 }
931
f6bebd12 932 if ($smtp_encryption eq 'ssl') {
44b2476a 933 $smtp_server_port ||= 465; # ssmtp
34cc60ce 934 require Net::SMTP::SSL;
44b2476a 935 $smtp ||= Net::SMTP::SSL->new($smtp_server, Port => $smtp_server_port);
34cc60ce
DS
936 }
937 else {
938 require Net::SMTP;
44b2476a
JH
939 $smtp ||= Net::SMTP->new((defined $smtp_server_port)
940 ? "$smtp_server:$smtp_server_port"
941 : $smtp_server);
fb3650ed 942 if ($smtp_encryption eq 'tls' && $smtp) {
f6bebd12
TR
943 require Net::SMTP::SSL;
944 $smtp->command('STARTTLS');
945 $smtp->response();
946 if ($smtp->code == 220) {
947 $smtp = Net::SMTP::SSL->start_SSL($smtp)
948 or die "STARTTLS failed! ".$smtp->message;
6cbf8b00 949 $smtp_encryption = '';
9d1ccf5e
RS
950 # Send EHLO again to receive fresh
951 # supported commands
952 $smtp->hello();
f6bebd12
TR
953 } else {
954 die "Server does not support STARTTLS! ".$smtp->message;
955 }
956 }
44b2476a
JH
957 }
958
959 if (!$smtp) {
e5afb3a6
JA
960 die "Unable to initialize SMTP properly. Check config. ",
961 "VALUES: server=$smtp_server ",
962 "encryption=$smtp_encryption ",
963 defined $smtp_server_port ? "port=$smtp_server_port" : "";
44b2476a
JH
964 }
965
2363d746
MW
966 if (defined $smtp_authuser) {
967
968 if (!defined $smtp_authpass) {
969
970 system "stty -echo";
971
972 do {
973 print "Password: ";
974 $_ = <STDIN>;
975 print "\n";
976 } while (!defined $_);
977
978 chomp($smtp_authpass = $_);
979
980 system "stty echo";
981 }
982
5f5b6118 983 $auth ||= $smtp->auth( $smtp_authuser, $smtp_authpass ) or die $smtp->message;
34cc60ce 984 }
2363d746 985
2b69bfc2 986 $smtp->mail( $raw_from ) or die $smtp->message;
aca7ad76
EW
987 $smtp->to( @recipients ) or die $smtp->message;
988 $smtp->data or die $smtp->message;
989 $smtp->datasend("$header\n$message") or die $smtp->message;
990 $smtp->dataend() or die $smtp->message;
15da1084 991 $smtp->code =~ /250|200/ or die "Failed to send $subject\n".$smtp->message;
aca7ad76 992 }
2718435b 993 if ($quiet) {
71c7da94 994 printf (($dry_run ? "Dry-" : "")."Sent %s\n", $subject);
2718435b 995 } else {
b7f30e0a 996 print (($dry_run ? "Dry-" : "")."OK. Log says:\n");
2b69bfc2 997 if ($smtp_server !~ m#^/#) {
aca7ad76 998 print "Server: $smtp_server\n";
2b69bfc2 999 print "MAIL FROM:<$raw_from>\n";
02461e0e
JP
1000 foreach my $entry (@recipients) {
1001 print "RCPT TO:<$entry>\n";
1002 }
aca7ad76 1003 } else {
8e3d436b 1004 print "Sendmail: $smtp_server ".join(' ',@sendmail_parameters)."\n";
aca7ad76 1005 }
b7f30e0a 1006 print $header, "\n";
aca7ad76
EW
1007 if ($smtp) {
1008 print "Result: ", $smtp->code, ' ',
1009 ($smtp->message =~ /\n([^\n]+\n)$/s), "\n";
1010 } else {
1011 print "Result: OK\n";
1012 }
30d08b34 1013 }
15da1084
MW
1014
1015 return 1;
83b24437
RA
1016}
1017
83b24437 1018$reply_to = $initial_reply_to;
2186d566 1019$references = $initial_reply_to || '';
83b24437 1020$subject = $initial_subject;
c1f2aa45 1021$message_num = 0;
83b24437
RA
1022
1023foreach my $t (@files) {
83b24437
RA
1024 open(F,"<",$t) or die "can't open file $t";
1025
94638f89 1026 my $author = undef;
8291db6f
JK
1027 my $author_encoding;
1028 my $has_content_type;
1029 my $body_encoding;
c1f2aa45 1030 @cc = ();
ce91c2f6 1031 @xh = ();
e6b0964a 1032 my $input_format = undef;
5012699d 1033 my @header = ();
83b24437 1034 $message = "";
c1f2aa45 1035 $message_num++;
5012699d 1036 # First unfold multiline header fields
83b24437 1037 while(<F>) {
5012699d
JS
1038 last if /^\s*$/;
1039 if (/^\s+\S/ and @header) {
1040 chomp($header[$#header]);
1041 s/^\s+/ /;
1042 $header[$#header] .= $_;
1043 } else {
1044 push(@header, $_);
1045 }
1046 }
1047 # Now parse the header
1048 foreach(@header) {
1049 if (/^From /) {
1050 $input_format = 'mbox';
1051 next;
1052 }
1053 chomp;
1054 if (!defined $input_format && /^[-A-Za-z]+:\s/) {
1055 $input_format = 'mbox';
1056 }
1057
1058 if (defined $input_format && $input_format eq 'mbox') {
1059 if (/^Subject:\s+(.*)$/) {
1060 $subject = $1;
e6b0964a 1061 }
5012699d
JS
1062 elsif (/^From:\s+(.*)$/) {
1063 ($author, $author_encoding) = unquote_rfc2047($1);
1064 next if $suppress_cc{'author'};
1065 next if $suppress_cc{'self'} and $author eq $sender;
1066 printf("(mbox) Adding cc: %s from line '%s'\n",
1067 $1, $_) unless $quiet;
1068 push @cc, $1;
e6b0964a 1069 }
5012699d
JS
1070 elsif (/^Cc:\s+(.*)$/) {
1071 foreach my $addr (parse_address_line($1)) {
1072 if (unquote_rfc2047($addr) eq $sender) {
65648283 1073 next if ($suppress_cc{'self'});
65648283
DB
1074 } else {
1075 next if ($suppress_cc{'cc'});
8a8e6235 1076 }
83b24437 1077 printf("(mbox) Adding cc: %s from line '%s'\n",
5012699d
JS
1078 $addr, $_) unless $quiet;
1079 push @cc, $addr;
83b24437 1080 }
5012699d
JS
1081 }
1082 elsif (/^Content-type:/i) {
1083 $has_content_type = 1;
1084 if (/charset="?([^ "]+)/) {
1085 $body_encoding = $1;
83b24437 1086 }
5012699d 1087 push @xh, $_;
83b24437 1088 }
5012699d
JS
1089 elsif (/^Message-Id: (.*)/i) {
1090 $message_id = $1;
83b24437 1091 }
5012699d
JS
1092 elsif (!/^Date:\s/ && /^[-A-Za-z]+:\s+\S/) {
1093 push @xh, $_;
1094 }
1095
83b24437 1096 } else {
5012699d
JS
1097 # In the traditional
1098 # "send lots of email" format,
1099 # line 1 = cc
1100 # line 2 = subject
1101 # So let's support that, too.
1102 $input_format = 'lots';
1103 if (@cc == 0 && !$suppress_cc{'cc'}) {
1104 printf("(non-mbox) Adding cc: %s from line '%s'\n",
1105 $_, $_) unless $quiet;
1106 push @cc, $_;
1107 } elsif (!defined $subject) {
1108 $subject = $_;
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1109 }
1110 }
1111 }
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1112 # Now parse the message body
1113 while(<F>) {
1114 $message .= $_;
1115 if (/^(Signed-off-by|Cc): (.*)$/i) {
5012699d 1116 chomp;
3531e270 1117 my ($what, $c) = ($1, $2);
5012699d 1118 chomp $c;
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1119 if ($c eq $sender) {
1120 next if ($suppress_cc{'self'});
1121 } else {
1122 next if $suppress_cc{'sob'} and $what =~ /Signed-off-by/i;
1123 next if $suppress_cc{'bodycc'} and $what =~ /Cc/i;
1124 }
5012699d 1125 push @cc, $c;
3531e270 1126 printf("(body) Adding cc: %s from line '%s'\n",
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1127 $c, $_) unless $quiet;
1128 }
1129 }
83b24437 1130 close F;
324a8bd0 1131
65648283 1132 if (defined $cc_cmd && !$suppress_cc{'cccmd'}) {
cb8a9bd5 1133 open(F, "$cc_cmd \Q$t\E |")
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1134 or die "(cc-cmd) Could not execute '$cc_cmd'";
1135 while(<F>) {
1136 my $c = $_;
1137 $c =~ s/^\s*//g;
1138 $c =~ s/\n$//g;
620bb245 1139 next if ($c eq $sender and $suppress_from);
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1140 push @cc, $c;
1141 printf("(cc-cmd) Adding cc: %s from: '%s'\n",
1142 $c, $cc_cmd) unless $quiet;
1143 }
1144 close F
1145 or die "(cc-cmd) failed to close pipe to '$cc_cmd'";
1146 }
1147
5012699d 1148 if (defined $author and $author ne $sender) {
94638f89 1149 $message = "From: $author\n\n$message";
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1150 if (defined $author_encoding) {
1151 if ($has_content_type) {
1152 if ($body_encoding eq $author_encoding) {
1153 # ok, we already have the right encoding
1154 }
1155 else {
1156 # uh oh, we should re-encode
1157 }
1158 }
1159 else {
1160 push @xh,
1161 'MIME-Version: 1.0',
8641ee3d
JK
1162 "Content-Type: text/plain; charset=$author_encoding",
1163 'Content-Transfer-Encoding: 8bit';
8291db6f
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1164 }
1165 }
8a8e6235 1166 }
83b24437 1167
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1168 $needs_confirm = (
1169 $confirm eq "always" or
1170 ($confirm =~ /^(?:auto|cc)$/ && @cc) or
1171 ($confirm =~ /^(?:auto|compose)$/ && $compose && $message_num == 1));
1172 $needs_confirm = "inform" if ($needs_confirm && $confirm_unconfigured && @cc);
1173
1174 @cc = (@initial_cc, @cc);
1175
15da1084 1176 my $message_was_sent = send_message();
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1177
1178 # set up for the next message
95a877a3 1179 if ($thread && $message_was_sent &&
528fb087 1180 (chain_reply_to() || !defined $reply_to || length($reply_to) == 0)) {
78488b2c 1181 $reply_to = $message_id;
7ccf7927 1182 if (length $references > 0) {
a925b89c 1183 $references .= "\n $message_id";
7ccf7927
RA
1184 } else {
1185 $references = "$message_id";
1186 }
78488b2c 1187 }
4f3d3703 1188 $message_id = undef;
83b24437 1189}
e205735d 1190
c1f2aa45 1191cleanup_compose_files();
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1192
1193sub cleanup_compose_files() {
c1f2aa45 1194 unlink($compose_filename, $compose_filename . ".final") if $compose;
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RA
1195}
1196
4bc87a28 1197$smtp->quit if $smtp;
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1198
1199sub unique_email_list(@) {
1200 my %seen;
1201 my @emails;
1202
1203 foreach my $entry (@_) {
db3106b2
EW
1204 if (my $clean = extract_valid_address($entry)) {
1205 $seen{$clean} ||= 0;
1206 next if $seen{$clean}++;
1207 push @emails, $entry;
1208 } else {
1209 print STDERR "W: unable to extract a valid address",
1210 " from: $entry\n";
1211 }
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1212 }
1213 return @emails;
1214}
747bbff9
JK
1215
1216sub validate_patch {
1217 my $fn = shift;
1218 open(my $fh, '<', $fn)
1219 or die "unable to open $fn: $!\n";
1220 while (my $line = <$fh>) {
1221 if (length($line) > 998) {
1222 return "$.: patch contains a line longer than 998 characters";
1223 }
1224 }
1225 return undef;
1226}
0706bd19
JK
1227
1228sub file_has_nonascii {
1229 my $fn = shift;
1230 open(my $fh, '<', $fn)
1231 or die "unable to open $fn: $!\n";
1232 while (my $line = <$fh>) {
1233 return 1 if $line =~ /[^[:ascii:]]/;
1234 }
1235 return 0;
1236}