fixup-builtins: retire an old transition helper script
[git/git.git] / git-send-email.perl
CommitLineData
3328aced 1#!/usr/bin/perl
83b24437 2#
f3d9f354
RA
3# Copyright 2002,2005 Greg Kroah-Hartman <greg@kroah.com>
4# Copyright 2005 Ryan Anderson <ryan@michonline.com>
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5#
6# GPL v2 (See COPYING)
5825e5b2 7#
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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 18
d48b2841 19use 5.008;
83b24437
RA
20use strict;
21use warnings;
22use Term::ReadLine;
83b24437 23use Getopt::Long;
0e73b3ee 24use Text::ParseWords;
83b24437 25use Data::Dumper;
412876dc 26use Term::ANSIColor;
eed6ca7c 27use File::Temp qw/ tempdir tempfile /;
89bf1bac 28use File::Spec::Functions qw(catfile);
5df9fcf6 29use Error qw(:try);
3cb8caf7 30use Git;
83b24437 31
5df9fcf6
PH
32Getopt::Long::Configure qw/ pass_through /;
33
280242d1
JH
34package FakeTerm;
35sub new {
36 my ($class, $reason) = @_;
37 return bless \$reason, shift;
38}
39sub readline {
40 my $self = shift;
41 die "Cannot use readline on FakeTerm: $$self";
42}
43package main;
44
1b0baf14
MC
45
46sub usage {
47 print <<EOT;
5df9fcf6 48git send-email [options] <file | directory | rev-list options >
4ed62b03
MW
49
50 Composing:
51 --from <str> * Email From:
f434c083
SB
52 --[no-]to <str> * Email To:
53 --[no-]cc <str> * Email Cc:
54 --[no-]bcc <str> * Email Bcc:
4ed62b03
MW
55 --subject <str> * Email "Subject:"
56 --in-reply-to <str> * Email "In-Reply-To:"
402596aa 57 --[no-]annotate * Review each patch that will be sent in an editor.
4ed62b03 58 --compose * Open an editor for introduction.
62e00690 59 --compose-encoding <str> * Encoding to assume for introduction.
3cae7e5b 60 --8bit-encoding <str> * Encoding to assume 8bit mails if undeclared
4ed62b03
MW
61
62 Sending:
63 --envelope-sender <str> * Email envelope sender.
64 --smtp-server <str:int> * Outgoing SMTP server to use. The port
65 is optional. Default 'localhost'.
052fbea2 66 --smtp-server-option <str> * Outgoing SMTP server option to use.
4ed62b03
MW
67 --smtp-server-port <int> * Outgoing SMTP server port.
68 --smtp-user <str> * Username for SMTP-AUTH.
69 --smtp-pass <str> * Password for SMTP-AUTH; not necessary.
70 --smtp-encryption <str> * tls or ssl; anything else disables.
71 --smtp-ssl * Deprecated. Use '--smtp-encryption ssl'.
134550fe 72 --smtp-domain <str> * The domain name sent to HELO/EHLO handshake
f60812ef 73 --smtp-debug <0|1> * Disable, enable Net::SMTP debug.
4ed62b03
MW
74
75 Automating:
76 --identity <str> * Use the sendemail.<id> options.
6e74e075 77 --to-cmd <str> * Email To: via `<str> \$patch_path`
4ed62b03 78 --cc-cmd <str> * Email Cc: via `<str> \$patch_path`
3531e270
JS
79 --suppress-cc <str> * author, self, sob, cc, cccmd, body, bodycc, all.
80 --[no-]signed-off-by-cc * Send to Signed-off-by: addresses. Default on.
4ed62b03 81 --[no-]suppress-from * Send to self. Default off.
41fe87fa 82 --[no-]chain-reply-to * Chain In-Reply-To: fields. Default off.
4ed62b03
MW
83 --[no-]thread * Use In-Reply-To: field. Default on.
84
85 Administering:
c1f2aa45
JS
86 --confirm <str> * Confirm recipients before sending;
87 auto, cc, compose, always, or never.
4ed62b03
MW
88 --quiet * Output one line of info per email.
89 --dry-run * Don't actually send the emails.
90 --[no-]validate * Perform patch sanity checks. Default on.
5df9fcf6
PH
91 --[no-]format-patch * understand any non optional arguments as
92 `git format-patch` ones.
a03bc5b6 93 --force * Send even if safety checks would prevent it.
c764a0c2 94
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MC
95EOT
96 exit(1);
97}
98
4bc87a28 99# most mail servers generate the Date: header, but not all...
6bdca890
JN
100sub format_2822_time {
101 my ($time) = @_;
102 my @localtm = localtime($time);
103 my @gmttm = gmtime($time);
104 my $localmin = $localtm[1] + $localtm[2] * 60;
105 my $gmtmin = $gmttm[1] + $gmttm[2] * 60;
106 if ($localtm[0] != $gmttm[0]) {
107 die "local zone differs from GMT by a non-minute interval\n";
108 }
109 if ((($gmttm[6] + 1) % 7) == $localtm[6]) {
110 $localmin += 1440;
111 } elsif ((($gmttm[6] - 1) % 7) == $localtm[6]) {
112 $localmin -= 1440;
113 } elsif ($gmttm[6] != $localtm[6]) {
114 die "local time offset greater than or equal to 24 hours\n";
115 }
116 my $offset = $localmin - $gmtmin;
117 my $offhour = $offset / 60;
118 my $offmin = abs($offset % 60);
119 if (abs($offhour) >= 24) {
120 die ("local time offset greater than or equal to 24 hours\n");
121 }
122
123 return sprintf("%s, %2d %s %d %02d:%02d:%02d %s%02d%02d",
124 qw(Sun Mon Tue Wed Thu Fri Sat)[$localtm[6]],
125 $localtm[3],
126 qw(Jan Feb Mar Apr May Jun
127 Jul Aug Sep Oct Nov Dec)[$localtm[4]],
128 $localtm[5]+1900,
129 $localtm[2],
130 $localtm[1],
131 $localtm[0],
132 ($offset >= 0) ? '+' : '-',
133 abs($offhour),
134 $offmin,
135 );
136}
4bc87a28 137
567ffeb7 138my $have_email_valid = eval { require Email::Valid; 1 };
5012699d 139my $have_mail_address = eval { require Mail::Address; 1 };
4bc87a28 140my $smtp;
5f5b6118 141my $auth;
4bc87a28 142
83b24437 143# Variables we fill in automatically, or via prompting:
3c3bb51c 144my (@to,$no_to,@initial_to,@cc,$no_cc,@initial_cc,@bcclist,$no_bcc,@xh,
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PH
145 $initial_reply_to,$initial_subject,@files,
146 $author,$sender,$smtp_authpass,$annotate,$compose,$time);
83b24437 147
f073a592 148my $envelope_sender;
78488b2c 149
9133261f 150# Example reply to:
83b24437 151#$initial_reply_to = ''; #<20050203173208.GA23964@foobar.com>';
83b24437 152
ad79c024
FL
153my $repo = eval { Git->repository() };
154my @repo = $repo ? ($repo) : ();
280242d1 155my $term = eval {
0fb7fc75
JS
156 $ENV{"GIT_SEND_EMAIL_NOTTY"}
157 ? new Term::ReadLine 'git-send-email', \*STDIN, \*STDOUT
158 : new Term::ReadLine 'git-send-email';
280242d1
JH
159};
160if ($@) {
161 $term = new FakeTerm "$@: going non-interactive";
162}
83b24437 163
5483c71d
AR
164# Behavior modification variables
165my ($quiet, $dry_run) = (0, 0);
5df9fcf6 166my $format_patch;
afe756c9 167my $compose_filename;
a03bc5b6 168my $force = 0;
5483c71d 169
8fd5bb7f
PH
170# Handle interactive edition of files.
171my $multiedit;
0ce142c9 172my $editor;
b4479f07 173
8fd5bb7f 174sub do_edit {
0ce142c9
MG
175 if (!defined($editor)) {
176 $editor = Git::command_oneline('var', 'GIT_EDITOR');
177 }
8fd5bb7f 178 if (defined($multiedit) && !$multiedit) {
beece9da
PH
179 map {
180 system('sh', '-c', $editor.' "$@"', $editor, $_);
181 if (($? & 127) || ($? >> 8)) {
182 die("the editor exited uncleanly, aborting everything");
183 }
184 } @_;
8fd5bb7f
PH
185 } else {
186 system('sh', '-c', $editor.' "$@"', $editor, @_);
beece9da
PH
187 if (($? & 127) || ($? >> 8)) {
188 die("the editor exited uncleanly, aborting everything");
189 }
8fd5bb7f
PH
190 }
191}
5483c71d
AR
192
193# Variables with corresponding config settings
6e74e075
JP
194my ($thread, $chain_reply_to, $suppress_from, $signed_off_by_cc);
195my ($to_cmd, $cc_cmd);
052fbea2
PO
196my ($smtp_server, $smtp_server_port, @smtp_server_options);
197my ($smtp_authuser, $smtp_encryption);
1d02a005 198my ($identity, $aliasfiletype, @alias_files, $smtp_domain);
c1f2aa45 199my ($validate, $confirm);
65648283 200my (@suppress_cc);
3cae7e5b 201my ($auto_8bit_encoding);
62e00690 202my ($compose_encoding);
5483c71d 203
f60812ef
JA
204my ($debug_net_smtp) = 0; # Net::SMTP, see send_message()
205
528fb087
NS
206my $not_set_by_user = "true but not set by the user";
207
34cc60ce 208my %config_bool_settings = (
5483c71d 209 "thread" => [\$thread, 1],
528fb087 210 "chainreplyto" => [\$chain_reply_to, $not_set_by_user],
65648283 211 "suppressfrom" => [\$suppress_from, undef],
ddc3d4fe
MW
212 "signedoffbycc" => [\$signed_off_by_cc, undef],
213 "signedoffcc" => [\$signed_off_by_cc, undef], # Deprecated
dbf5e1e9 214 "validate" => [\$validate, 1],
402596aa
FC
215 "multiedit" => [\$multiedit, undef],
216 "annotate" => [\$annotate, undef]
e46f7a0e
AR
217);
218
34cc60ce
DS
219my %config_settings = (
220 "smtpserver" => \$smtp_server,
44b2476a 221 "smtpserverport" => \$smtp_server_port,
052fbea2 222 "smtpserveroption" => \@smtp_server_options,
34cc60ce
DS
223 "smtpuser" => \$smtp_authuser,
224 "smtppass" => \$smtp_authpass,
e1e9115d 225 "smtpdomain" => \$smtp_domain,
3c3bb51c 226 "to" => \@initial_to,
6e74e075 227 "tocmd" => \$to_cmd,
5f8b9fcd 228 "cc" => \@initial_cc,
34cc60ce
DS
229 "cccmd" => \$cc_cmd,
230 "aliasfiletype" => \$aliasfiletype,
231 "bcc" => \@bcclist,
65648283 232 "suppresscc" => \@suppress_cc,
9f7820ae 233 "envelopesender" => \$envelope_sender,
c1f2aa45 234 "confirm" => \$confirm,
09caa24f 235 "from" => \$sender,
3cae7e5b 236 "assume8bitencoding" => \$auto_8bit_encoding,
62e00690 237 "composeencoding" => \$compose_encoding,
34cc60ce 238);
4a62d3f5 239
cec5dae8
CS
240my %config_path_settings = (
241 "aliasesfile" => \@alias_files,
242);
243
528fb087
NS
244# Help users prepare for 1.7.0
245sub chain_reply_to {
246 if (defined $chain_reply_to &&
247 $chain_reply_to eq $not_set_by_user) {
248 print STDERR
a19f101e 249 "In git 1.7.0, the default has changed to --no-chain-reply-to\n" .
528fb087
NS
250 "Set sendemail.chainreplyto configuration variable to true if\n" .
251 "you want to keep --chain-reply-to as your default.\n";
a19f101e 252 $chain_reply_to = 0;
528fb087
NS
253 }
254 return $chain_reply_to;
255}
256
87429976
MW
257# Handle Uncouth Termination
258sub signal_handler {
259
260 # Make text normal
261 print color("reset"), "\n";
262
263 # SMTP password masked
264 system "stty echo";
265
266 # tmp files from --compose
afe756c9
JS
267 if (defined $compose_filename) {
268 if (-e $compose_filename) {
269 print "'$compose_filename' contains an intermediate version of the email you were composing.\n";
270 }
271 if (-e ($compose_filename . ".final")) {
272 print "'$compose_filename.final' contains the composed email.\n"
273 }
87429976
MW
274 }
275
276 exit;
277};
278
279$SIG{TERM} = \&signal_handler;
280$SIG{INT} = \&signal_handler;
281
83b24437
RA
282# Begin by accumulating all the variables (defined above), that we will end up
283# needing, first, from the command line:
284
c5978246
CB
285my $help;
286my $rc = GetOptions("h" => \$help,
287 "sender|from=s" => \$sender,
83b24437
RA
288 "in-reply-to=s" => \$initial_reply_to,
289 "subject=s" => \$initial_subject,
3c3bb51c 290 "to=s" => \@initial_to,
6e74e075 291 "to-cmd=s" => \$to_cmd,
f434c083 292 "no-to" => \$no_to,
da140f8b 293 "cc=s" => \@initial_cc,
f434c083 294 "no-cc" => \$no_cc,
58063245 295 "bcc=s" => \@bcclist,
f434c083 296 "no-bcc" => \$no_bcc,
78488b2c 297 "chain-reply-to!" => \$chain_reply_to,
3342d850 298 "smtp-server=s" => \$smtp_server,
052fbea2 299 "smtp-server-option=s" => \@smtp_server_options,
44b2476a 300 "smtp-server-port=s" => \$smtp_server_port,
34cc60ce 301 "smtp-user=s" => \$smtp_authuser,
2363d746 302 "smtp-pass:s" => \$smtp_authpass,
f6bebd12
TR
303 "smtp-ssl" => sub { $smtp_encryption = 'ssl' },
304 "smtp-encryption=s" => \$smtp_encryption,
f60812ef 305 "smtp-debug:i" => \$debug_net_smtp,
69cf7bfd 306 "smtp-domain:s" => \$smtp_domain,
34cc60ce 307 "identity=s" => \$identity,
402596aa 308 "annotate!" => \$annotate,
1f038a0c 309 "compose" => \$compose,
30d08b34 310 "quiet" => \$quiet,
324a8bd0 311 "cc-cmd=s" => \$cc_cmd,
5483c71d 312 "suppress-from!" => \$suppress_from,
65648283 313 "suppress-cc=s" => \@suppress_cc,
ddc3d4fe 314 "signed-off-cc|signed-off-by-cc!" => \$signed_off_by_cc,
c1f2aa45 315 "confirm=s" => \$confirm,
6130259c 316 "dry-run" => \$dry_run,
f073a592 317 "envelope-sender=s" => \$envelope_sender,
5483c71d 318 "thread!" => \$thread,
dbf5e1e9 319 "validate!" => \$validate,
5df9fcf6 320 "format-patch!" => \$format_patch,
3cae7e5b 321 "8bit-encoding=s" => \$auto_8bit_encoding,
62e00690 322 "compose-encoding=s" => \$compose_encoding,
a03bc5b6 323 "force" => \$force,
83b24437
RA
324 );
325
c5978246 326usage() if $help;
1b0baf14
MC
327unless ($rc) {
328 usage();
329}
330
eed6ca7c
JS
331die "Cannot run git format-patch from outside a repository\n"
332 if $format_patch and not $repo;
333
34cc60ce
DS
334# Now, let's fill any that aren't set in with defaults:
335
336sub read_config {
337 my ($prefix) = @_;
338
339 foreach my $setting (keys %config_bool_settings) {
340 my $target = $config_bool_settings{$setting}->[0];
ad79c024 341 $$target = Git::config_bool(@repo, "$prefix.$setting") unless (defined $$target);
34cc60ce
DS
342 }
343
cec5dae8 344 foreach my $setting (keys %config_path_settings) {
463b0ea2
CS
345 my $target = $config_path_settings{$setting};
346 if (ref($target) eq "ARRAY") {
347 unless (@$target) {
348 my @values = Git::config_path(@repo, "$prefix.$setting");
349 @$target = @values if (@values && defined $values[0]);
350 }
351 }
352 else {
353 $$target = Git::config_path(@repo, "$prefix.$setting") unless (defined $$target);
354 }
cec5dae8
CS
355 }
356
34cc60ce
DS
357 foreach my $setting (keys %config_settings) {
358 my $target = $config_settings{$setting};
f434c083
SB
359 next if $setting eq "to" and defined $no_to;
360 next if $setting eq "cc" and defined $no_cc;
361 next if $setting eq "bcc" and defined $no_bcc;
34cc60ce
DS
362 if (ref($target) eq "ARRAY") {
363 unless (@$target) {
ad79c024 364 my @values = Git::config(@repo, "$prefix.$setting");
34cc60ce
DS
365 @$target = @values if (@values && defined $values[0]);
366 }
367 }
368 else {
ad79c024 369 $$target = Git::config(@repo, "$prefix.$setting") unless (defined $$target);
34cc60ce
DS
370 }
371 }
f6bebd12
TR
372
373 if (!defined $smtp_encryption) {
374 my $enc = Git::config(@repo, "$prefix.smtpencryption");
375 if (defined $enc) {
376 $smtp_encryption = $enc;
377 } elsif (Git::config_bool(@repo, "$prefix.smtpssl")) {
378 $smtp_encryption = 'ssl';
379 }
380 }
34cc60ce
DS
381}
382
383# read configuration from [sendemail "$identity"], fall back on [sendemail]
ad79c024 384$identity = Git::config(@repo, "sendemail.identity") unless (defined $identity);
34cc60ce
DS
385read_config("sendemail.$identity") if (defined $identity);
386read_config("sendemail");
387
388# fall back on builtin bool defaults
389foreach my $setting (values %config_bool_settings) {
390 ${$setting->[0]} = $setting->[1] unless (defined (${$setting->[0]}));
391}
392
fa835cd5
TR
393# 'default' encryption is none -- this only prevents a warning
394$smtp_encryption = '' unless (defined $smtp_encryption);
395
65648283
DB
396# Set CC suppressions
397my(%suppress_cc);
398if (@suppress_cc) {
399 foreach my $entry (@suppress_cc) {
400 die "Unknown --suppress-cc field: '$entry'\n"
e9bf741b 401 unless $entry =~ /^(?:all|cccmd|cc|author|self|sob|body|bodycc)$/;
65648283
DB
402 $suppress_cc{$entry} = 1;
403 }
404}
405
406if ($suppress_cc{'all'}) {
cb8a9bd5 407 foreach my $entry (qw (cccmd cc author self sob body bodycc)) {
65648283
DB
408 $suppress_cc{$entry} = 1;
409 }
410 delete $suppress_cc{'all'};
411}
412
413# If explicit old-style ones are specified, they trump --suppress-cc.
414$suppress_cc{'self'} = $suppress_from if defined $suppress_from;
ddc3d4fe 415$suppress_cc{'sob'} = !$signed_off_by_cc if defined $signed_off_by_cc;
65648283 416
3531e270
JS
417if ($suppress_cc{'body'}) {
418 foreach my $entry (qw (sob bodycc)) {
419 $suppress_cc{$entry} = 1;
420 }
421 delete $suppress_cc{'body'};
422}
423
c1f2aa45
JS
424# Set confirm's default value
425my $confirm_unconfigured = !defined $confirm;
426if ($confirm_unconfigured) {
427 $confirm = scalar %suppress_cc ? 'compose' : 'auto';
428};
429die "Unknown --confirm setting: '$confirm'\n"
430 unless $confirm =~ /^(?:auto|cc|compose|always|never)/;
431
65648283
DB
432# Debugging, print out the suppressions.
433if (0) {
434 print "suppressions:\n";
435 foreach my $entry (keys %suppress_cc) {
436 printf " %-5s -> $suppress_cc{$entry}\n", $entry;
437 }
438}
439
ad79c024
FL
440my ($repoauthor, $repocommitter);
441($repoauthor) = Git::ident_person(@repo, 'author');
442($repocommitter) = Git::ident_person(@repo, 'committer');
34cc60ce 443
79ee555b
EB
444# Verify the user input
445
3c3bb51c 446foreach my $entry (@initial_to) {
79ee555b
EB
447 die "Comma in --to entry: $entry'\n" unless $entry !~ m/,/;
448}
449
450foreach my $entry (@initial_cc) {
451 die "Comma in --cc entry: $entry'\n" unless $entry !~ m/,/;
452}
453
454foreach my $entry (@bcclist) {
455 die "Comma in --bcclist entry: $entry'\n" unless $entry !~ m/,/;
456}
457
5012699d
JS
458sub parse_address_line {
459 if ($have_mail_address) {
460 return map { $_->format } Mail::Address->parse($_[0]);
461 } else {
462 return split_addrs($_[0]);
463 }
464}
465
0e73b3ee 466sub split_addrs {
2f0e7cbb 467 return quotewords('\s*,\s*', 1, @_);
0e73b3ee
WF
468}
469
994d6c66 470my %aliases;
994d6c66
EW
471my %parse_alias = (
472 # multiline formats can be supported in the future
473 mutt => sub { my $fh = shift; while (<$fh>) {
ffc01f9b 474 if (/^\s*alias\s+(?:-group\s+\S+\s+)*(\S+)\s+(.*)$/) {
994d6c66
EW
475 my ($alias, $addr) = ($1, $2);
476 $addr =~ s/#.*$//; # mutt allows # comments
477 # commas delimit multiple addresses
0e73b3ee 478 $aliases{$alias} = [ split_addrs($addr) ];
994d6c66
EW
479 }}},
480 mailrc => sub { my $fh = shift; while (<$fh>) {
481 if (/^alias\s+(\S+)\s+(.*)$/) {
482 # spaces delimit multiple addresses
fe87c921 483 $aliases{$1} = [ quotewords('\s+', 0, $2) ];
994d6c66 484 }}},
73c427eb
TP
485 pine => sub { my $fh = shift; my $f='\t[^\t]*';
486 for (my $x = ''; defined($x); $x = $_) {
487 chomp $x;
488 $x .= $1 while(defined($_ = <$fh>) && /^ +(.*)$/);
489 $x =~ /^(\S+)$f\t\(?([^\t]+?)\)?(:?$f){0,2}$/ or next;
0e73b3ee 490 $aliases{$1} = [ split_addrs($2) ];
73c427eb 491 }},
7613ea35
BP
492 elm => sub { my $fh = shift;
493 while (<$fh>) {
494 if (/^(\S+)\s+=\s+[^=]+=\s(\S+)/) {
495 my ($alias, $addr) = ($1, $2);
496 $aliases{$alias} = [ split_addrs($addr) ];
497 }
498 } },
499
994d6c66
EW
500 gnus => sub { my $fh = shift; while (<$fh>) {
501 if (/\(define-mail-alias\s+"(\S+?)"\s+"(\S+?)"\)/) {
502 $aliases{$1} = [ $2 ];
503 }}}
504);
505
3cb8caf7 506if (@alias_files and $aliasfiletype and defined $parse_alias{$aliasfiletype}) {
994d6c66
EW
507 foreach my $file (@alias_files) {
508 open my $fh, '<', $file or die "opening $file: $!\n";
509 $parse_alias{$aliasfiletype}->($fh);
510 close $fh;
511 }
512}
513
94638f89 514($sender) = expand_aliases($sender) if defined $sender;
ae740a58 515
9b397039
RR
516# is_format_patch_arg($f) returns 0 if $f names a patch, or 1 if
517# $f is a revision list specification to be passed to format-patch.
518sub is_format_patch_arg {
eed6ca7c 519 return unless $repo;
5df9fcf6
PH
520 my $f = shift;
521 try {
522 $repo->command('rev-parse', '--verify', '--quiet', $f);
523 if (defined($format_patch)) {
5df9fcf6
PH
524 return $format_patch;
525 }
526 die(<<EOF);
527File '$f' exists but it could also be the range of commits
528to produce patches for. Please disambiguate by...
529
530 * Saying "./$f" if you mean a file; or
531 * Giving --format-patch option if you mean a range.
532EOF
533 } catch Git::Error::Command with {
9b397039 534 # Not a valid revision. Treat it as a filename.
5df9fcf6
PH
535 return 0;
536 }
537}
538
aa54892f
JK
539# Now that all the defaults are set, process the rest of the command line
540# arguments and collect up the files that need to be processed.
5df9fcf6 541my @rev_list_opts;
69f4ce55 542while (defined(my $f = shift @ARGV)) {
5df9fcf6
PH
543 if ($f eq "--") {
544 push @rev_list_opts, "--", @ARGV;
545 @ARGV = ();
9b397039 546 } elsif (-d $f and !is_format_patch_arg($f)) {
c6038169 547 opendir my $dh, $f
aa54892f
JK
548 or die "Failed to opendir $f: $!";
549
89bf1bac 550 push @files, grep { -f $_ } map { catfile($f, $_) }
c6038169
ÆAB
551 sort readdir $dh;
552 closedir $dh;
9b397039 553 } elsif ((-f $f or -p $f) and !is_format_patch_arg($f)) {
aa54892f 554 push @files, $f;
aa54892f 555 } else {
5df9fcf6 556 push @rev_list_opts, $f;
aa54892f
JK
557 }
558}
559
5df9fcf6 560if (@rev_list_opts) {
eed6ca7c
JS
561 die "Cannot run git format-patch from outside a repository\n"
562 unless $repo;
5df9fcf6
PH
563 push @files, $repo->command('format-patch', '-o', tempdir(CLEANUP => 1), @rev_list_opts);
564}
565
dbf5e1e9 566if ($validate) {
c764a0c2 567 foreach my $f (@files) {
300913bd
KB
568 unless (-p $f) {
569 my $error = validate_patch($f);
570 $error and die "fatal: $f: $error\nwarning: no patches were sent\n";
571 }
c764a0c2 572 }
747bbff9
JK
573}
574
aa54892f
JK
575if (@files) {
576 unless ($quiet) {
577 print $_,"\n" for (@files);
578 }
579} else {
580 print STDERR "\nNo patch files specified!\n\n";
581 usage();
582}
583
acf071b0 584sub get_patch_subject {
beece9da
PH
585 my $fn = shift;
586 open (my $fh, '<', $fn);
587 while (my $line = <$fh>) {
588 next unless ($line =~ /^Subject: (.*)$/);
589 close $fh;
590 return "GIT: $1\n";
591 }
592 close $fh;
593 die "No subject line in $fn ?";
594}
595
596if ($compose) {
597 # Note that this does not need to be secure, but we will make a small
598 # effort to have it be unique
afe756c9
JS
599 $compose_filename = ($repo ?
600 tempfile(".gitsendemail.msg.XXXXXX", DIR => $repo->repo_path()) :
601 tempfile(".gitsendemail.msg.XXXXXX", DIR => "."))[1];
fe0f944f 602 open my $c, ">", $compose_filename
beece9da
PH
603 or die "Failed to open for writing $compose_filename: $!";
604
605
606 my $tpl_sender = $sender || $repoauthor || $repocommitter || '';
607 my $tpl_subject = $initial_subject || '';
608 my $tpl_reply_to = $initial_reply_to || '';
609
fe0f944f 610 print $c <<EOT;
beece9da 611From $tpl_sender # This line is ignored.
40e6e8a0 612GIT: Lines beginning in "GIT:" will be removed.
beece9da
PH
613GIT: Consider including an overall diffstat or table of contents
614GIT: for the patch you are writing.
615GIT:
616GIT: Clear the body content if you don't wish to send a summary.
617From: $tpl_sender
618Subject: $tpl_subject
619In-Reply-To: $tpl_reply_to
620
621EOT
622 for my $f (@files) {
fe0f944f 623 print $c get_patch_subject($f);
beece9da 624 }
fe0f944f 625 close $c;
beece9da 626
beece9da
PH
627 if ($annotate) {
628 do_edit($compose_filename, @files);
629 } else {
630 do_edit($compose_filename);
631 }
632
fe0f944f 633 open my $c2, ">", $compose_filename . ".final"
beece9da
PH
634 or die "Failed to open $compose_filename.final : " . $!;
635
fe0f944f 636 open $c, "<", $compose_filename
beece9da
PH
637 or die "Failed to open $compose_filename : " . $!;
638
639 my $need_8bit_cte = file_has_nonascii($compose_filename);
640 my $in_body = 0;
641 my $summary_empty = 1;
4a47a4dd
KM
642 if (!defined $compose_encoding) {
643 $compose_encoding = "UTF-8";
644 }
fe0f944f 645 while(<$c>) {
40e6e8a0 646 next if m/^GIT:/;
beece9da
PH
647 if ($in_body) {
648 $summary_empty = 0 unless (/^\n$/);
649 } elsif (/^\n$/) {
650 $in_body = 1;
651 if ($need_8bit_cte) {
fe0f944f 652 print $c2 "MIME-Version: 1.0\n",
beece9da 653 "Content-Type: text/plain; ",
62e00690 654 "charset=$compose_encoding\n",
beece9da
PH
655 "Content-Transfer-Encoding: 8bit\n";
656 }
657 } elsif (/^MIME-Version:/i) {
658 $need_8bit_cte = 0;
659 } elsif (/^Subject:\s*(.+)\s*$/i) {
660 $initial_subject = $1;
661 my $subject = $initial_subject;
662 $_ = "Subject: " .
ce547800 663 quote_subject($subject, $compose_encoding) .
beece9da
PH
664 "\n";
665 } elsif (/^In-Reply-To:\s*(.+)\s*$/i) {
666 $initial_reply_to = $1;
667 next;
668 } elsif (/^From:\s*(.+)\s*$/i) {
669 $sender = $1;
670 next;
671 } elsif (/^(?:To|Cc|Bcc):/i) {
672 print "To/Cc/Bcc fields are not interpreted yet, they have been ignored\n";
673 next;
674 }
fe0f944f 675 print $c2 $_;
beece9da 676 }
fe0f944f
ÆAB
677 close $c;
678 close $c2;
beece9da
PH
679
680 if ($summary_empty) {
681 print "Summary email is empty, skipping it\n";
682 $compose = -1;
683 }
684} elsif ($annotate) {
685 do_edit(@files);
686}
687
6e182518
JS
688sub ask {
689 my ($prompt, %arg) = @_;
0da43a68 690 my $valid_re = $arg{valid_re};
6e182518 691 my $default = $arg{default};
51bbccfd 692 my $confirm_only = $arg{confirm_only};
6e182518
JS
693 my $resp;
694 my $i = 0;
5906f54e
JS
695 return defined $default ? $default : undef
696 unless defined $term->IN and defined fileno($term->IN) and
697 defined $term->OUT and defined fileno($term->OUT);
6e182518
JS
698 while ($i++ < 10) {
699 $resp = $term->readline($prompt);
700 if (!defined $resp) { # EOF
701 print "\n";
702 return defined $default ? $default : undef;
703 }
704 if ($resp eq '' and defined $default) {
705 return $default;
706 }
0da43a68 707 if (!defined $valid_re or $resp =~ /$valid_re/) {
6e182518
JS
708 return $resp;
709 }
51bbccfd
JH
710 if ($confirm_only) {
711 my $yesno = $term->readline("Are you sure you want to use <$resp> [y/N]? ");
712 if (defined $yesno && $yesno =~ /y/i) {
713 return $resp;
714 }
715 }
6e182518 716 }
622bc930 717 return;
6e182518
JS
718}
719
3cae7e5b
TR
720my %broken_encoding;
721
1d50bfd9 722sub file_declares_8bit_cte {
3cae7e5b
TR
723 my $fn = shift;
724 open (my $fh, '<', $fn);
725 while (my $line = <$fh>) {
726 last if ($line =~ /^$/);
727 return 1 if ($line =~ /^Content-Transfer-Encoding: .*8bit.*$/);
728 }
729 close $fh;
730 return 0;
731}
732
733foreach my $f (@files) {
734 next unless (body_or_subject_has_nonascii($f)
735 && !file_declares_8bit_cte($f));
736 $broken_encoding{$f} = 1;
737}
738
739if (!defined $auto_8bit_encoding && scalar %broken_encoding) {
740 print "The following files are 8bit, but do not declare " .
741 "a Content-Transfer-Encoding.\n";
742 foreach my $f (sort keys %broken_encoding) {
743 print " $f\n";
744 }
745 $auto_8bit_encoding = ask("Which 8bit encoding should I declare [UTF-8]? ",
746 default => "UTF-8");
747}
748
a03bc5b6
TR
749if (!$force) {
750 for my $f (@files) {
0d290a46 751 if (get_patch_subject($f) =~ /\Q*** SUBJECT HERE ***\E/) {
a03bc5b6
TR
752 die "Refusing to send because the patch\n\t$f\n"
753 . "has the template subject '*** SUBJECT HERE ***'. "
754 . "Pass --force if you really want to send.\n";
755 }
756 }
757}
758
94638f89 759if (!defined $sender) {
ad79c024 760 $sender = $repoauthor || $repocommitter || '';
83b24437
RA
761}
762
8cac13dc 763my $prompting = 0;
8796ff7f 764if (!@initial_to && !defined $to_cmd) {
61837493
SB
765 my $to = ask("Who should the emails be sent to (if any)? ",
766 default => "",
51bbccfd 767 valid_re => qr/\@.*\./, confirm_only => 1);
3c3bb51c 768 push @initial_to, parse_address_line($to) if defined $to; # sanitized/validated later
1f038a0c 769 $prompting++;
83b24437
RA
770}
771
994d6c66 772sub expand_aliases {
302e04ea
JK
773 return map { expand_one_alias($_) } @_;
774}
775
776my %EXPANDED_ALIASES;
777sub expand_one_alias {
778 my $alias = shift;
779 if ($EXPANDED_ALIASES{$alias}) {
780 die "fatal: alias '$alias' expands to itself\n";
781 }
782 local $EXPANDED_ALIASES{$alias} = 1;
783 return $aliases{$alias} ? expand_aliases(@{$aliases{$alias}}) : $alias;
994d6c66
EW
784}
785
3c3bb51c 786@initial_to = expand_aliases(@initial_to);
e4312255 787@initial_to = validate_address_list(sanitize_address_list(@initial_to));
994d6c66 788@initial_cc = expand_aliases(@initial_cc);
e4312255 789@initial_cc = validate_address_list(sanitize_address_list(@initial_cc));
58063245 790@bcclist = expand_aliases(@bcclist);
e4312255 791@bcclist = validate_address_list(sanitize_address_list(@bcclist));
994d6c66 792
5483c71d 793if ($thread && !defined $initial_reply_to && $prompting) {
6e182518 794 $initial_reply_to = ask(
61837493
SB
795 "Message-ID to be used as In-Reply-To for the first email (if any)? ",
796 default => "",
51bbccfd 797 valid_re => qr/\@.*\./, confirm_only => 1);
83b24437 798}
1ca3d6ed 799if (defined $initial_reply_to) {
0fb7fc75
JS
800 $initial_reply_to =~ s/^\s*<?//;
801 $initial_reply_to =~ s/>?\s*$//;
802 $initial_reply_to = "<$initial_reply_to>" if $initial_reply_to ne '';
ace9c2a9 803}
ace72086 804
34cc60ce 805if (!defined $smtp_server) {
aca7ad76
EW
806 foreach (qw( /usr/sbin/sendmail /usr/lib/sendmail )) {
807 if (-x $_) {
808 $smtp_server = $_;
809 last;
810 }
811 }
812 $smtp_server ||= 'localhost'; # could be 127.0.0.1, too... *shrug*
3342d850
RA
813}
814
c1f2aa45
JS
815if ($compose && $compose > 0) {
816 @files = ($compose_filename . ".final", @files);
1f038a0c
RA
817}
818
83b24437 819# Variables we set as part of the loop over files
c1f2aa45 820our ($message_id, %mail, $subject, $reply_to, $references, $message,
dc1460aa 821 $needs_confirm, $message_num, $ask_default);
83b24437 822
567ffeb7
EW
823sub extract_valid_address {
824 my $address = shift;
35b6ab95
ÆAB
825 my $local_part_regexp = qr/[^<>"\s@]+/;
826 my $domain_regexp = qr/[^.<>"\s@]+(?:\.[^.<>"\s@]+)+/;
db3106b2
EW
827
828 # check for a local address:
ad9c18f5 829 return $address if ($address =~ /^($local_part_regexp)$/);
db3106b2 830
155197e6 831 $address =~ s/^\s*<(.*)>\s*$/$1/;
567ffeb7 832 if ($have_email_valid) {
ad9c18f5 833 return scalar Email::Valid->address($address);
567ffeb7 834 }
95c0d4b6
KM
835
836 # less robust/correct than the monster regexp in Email::Valid,
837 # but still does a 99% job, and one less dependency
838 return $1 if $address =~ /($local_part_regexp\@$domain_regexp)/;
622bc930 839 return;
567ffeb7 840}
83b24437 841
e4312255
KM
842sub extract_valid_address_or_die {
843 my $address = shift;
844 $address = extract_valid_address($address);
845 die "error: unable to extract a valid address from: $address\n"
846 if !$address;
847 return $address;
848}
849
850sub validate_address {
851 my $address = shift;
d0e98107 852 while (!extract_valid_address($address)) {
5c80afed 853 print STDERR "error: unable to extract a valid address from: $address\n";
d0e98107
KM
854 $_ = ask("What to do with this address? ([q]uit|[d]rop|[e]dit): ",
855 valid_re => qr/^(?:quit|q|drop|d|edit|e)/i,
5c80afed
KM
856 default => 'q');
857 if (/^d/i) {
858 return undef;
859 } elsif (/^q/i) {
860 cleanup_compose_files();
861 exit(0);
862 }
d0e98107
KM
863 $address = ask("Who should the email be sent to (if any)? ",
864 default => "",
865 valid_re => qr/\@.*\./, confirm_only => 1);
e4312255
KM
866 }
867 return $address;
868}
869
870sub validate_address_list {
871 return (grep { defined $_ }
872 map { validate_address($_) } @_);
567ffeb7 873}
83b24437
RA
874
875# Usually don't need to change anything below here.
876
877# we make a "fake" message id by taking the current number
878# of seconds since the beginning of Unix time and tacking on
879# a random number to the end, in case we are called quicker than
880# 1 second since the last time we were called.
8037d1a3
RA
881
882# We'll setup a template for the message id, using the "from" address:
8037d1a3 883
be510cfe 884my ($message_id_stamp, $message_id_serial);
68ce9330 885sub make_message_id {
be510cfe
JH
886 my $uniq;
887 if (!defined $message_id_stamp) {
888 $message_id_stamp = sprintf("%s-%s", time, $$);
889 $message_id_serial = 0;
890 }
891 $message_id_serial++;
892 $uniq = "$message_id_stamp-$message_id_serial";
893
aeb59328 894 my $du_part;
94638f89
UKK
895 for ($sender, $repocommitter, $repoauthor) {
896 $du_part = extract_valid_address(sanitize_address($_));
897 last if (defined $du_part and $du_part ne '');
aeb59328 898 }
94638f89 899 if (not defined $du_part or $du_part eq '') {
529dd386 900 require Sys::Hostname;
aeb59328
JH
901 $du_part = 'user@' . Sys::Hostname::hostname();
902 }
be510cfe
JH
903 my $message_id_template = "<%s-git-send-email-%s>";
904 $message_id = sprintf($message_id_template, $uniq, $du_part);
8037d1a3 905 #print "new message id = $message_id\n"; # Was useful for debugging
83b24437
RA
906}
907
908
909
a5370b16 910$time = time - scalar $#files;
83b24437 911
374c5905
JR
912sub unquote_rfc2047 {
913 local ($_) = @_;
8291db6f 914 my $encoding;
b622d4d1 915 s{=\?([^?]+)\?q\?(.*?)\?=}{
8291db6f 916 $encoding = $1;
b622d4d1
TR
917 my $e = $2;
918 $e =~ s/_/ /g;
919 $e =~ s/=([0-9A-F]{2})/chr(hex($1))/eg;
920 $e;
921 }eg;
8291db6f 922 return wantarray ? ($_, $encoding) : $_;
374c5905
JR
923}
924
d54eaaa2
JK
925sub quote_rfc2047 {
926 local $_ = shift;
d1fff6fc 927 my $encoding = shift || 'UTF-8';
d54eaaa2
JK
928 s/([^-a-zA-Z0-9!*+\/])/sprintf("=%02X", ord($1))/eg;
929 s/(.*)/=\?$encoding\?q\?$1\?=/;
930 return $_;
931}
932
a3a8262b
BC
933sub is_rfc2047_quoted {
934 my $s = shift;
49f73852
ÆAB
935 my $token = qr/[^][()<>@,;:"\/?.= \000-\037\177-\377]+/;
936 my $encoded_text = qr/[!->@-~]+/;
a3a8262b
BC
937 length($s) <= 75 &&
938 $s =~ m/^(?:"[[:ascii:]]*"|=\?$token\?$token\?$encoded_text\?=)$/o;
939}
940
ce547800
KM
941sub subject_needs_rfc2047_quoting {
942 my $s = shift;
943
ce1459f7 944 return ($s =~ /[^[:ascii:]]/) || ($s =~ /=\?/);
ce547800
KM
945}
946
947sub quote_subject {
948 local $subject = shift;
949 my $encoding = shift || 'UTF-8';
950
951 if (subject_needs_rfc2047_quoting($subject)) {
952 return quote_rfc2047($subject, $encoding);
953 }
954 return $subject;
955}
956
5b56aaa2 957# use the simplest quoting being able to handle the recipient
68ce9330 958sub sanitize_address {
732263d4 959 my ($recipient) = @_;
831a488b
KM
960
961 # remove garbage after email address
962 $recipient =~ s/(.*>).*$/$1/;
963
5b56aaa2
UKK
964 my ($recipient_name, $recipient_addr) = ($recipient =~ /^(.*?)\s*(<.*)/);
965
966 if (not $recipient_name) {
ff483897 967 return $recipient;
5b56aaa2
UKK
968 }
969
970 # if recipient_name is already quoted, do nothing
a3a8262b 971 if (is_rfc2047_quoted($recipient_name)) {
5b56aaa2
UKK
972 return $recipient;
973 }
974
975 # rfc2047 is needed if a non-ascii char is included
976 if ($recipient_name =~ /[^[:ascii:]]/) {
a61c0ffa 977 $recipient_name =~ s/^"(.*)"$/$1/;
d54eaaa2 978 $recipient_name = quote_rfc2047($recipient_name);
732263d4 979 }
5b56aaa2
UKK
980
981 # double quotes are needed if specials or CTLs are included
982 elsif ($recipient_name =~ /[][()<>@,;:\\".\000-\037\177]/) {
18023c20 983 $recipient_name =~ s/(["\\\r])/\\$1/g;
d5c7d69d 984 $recipient_name = qq["$recipient_name"];
5b56aaa2
UKK
985 }
986
987 return "$recipient_name $recipient_addr";
988
732263d4
RJ
989}
990
e4312255
KM
991sub sanitize_address_list {
992 return (map { sanitize_address($_) } @_);
993}
994
134550fe
JA
995# Returns the local Fully Qualified Domain Name (FQDN) if available.
996#
997# Tightly configured MTAa require that a caller sends a real DNS
998# domain name that corresponds the IP address in the HELO/EHLO
999# handshake. This is used to verify the connection and prevent
1000# spammers from trying to hide their identity. If the DNS and IP don't
1001# match, the receiveing MTA may deny the connection.
1002#
1003# Here is a deny example of Net::SMTP with the default "localhost.localdomain"
1004#
1005# Net::SMTP=GLOB(0x267ec28)>>> EHLO localhost.localdomain
1006# Net::SMTP=GLOB(0x267ec28)<<< 550 EHLO argument does not match calling host
1007#
1008# This maildomain*() code is based on ideas in Perl library Test::Reporter
1009# /usr/share/perl5/Test/Reporter/Mail/Util.pm ==> sub _maildomain ()
1010
59a86303
BG
1011sub valid_fqdn {
1012 my $domain = shift;
61ef5e9b 1013 return defined $domain && !($^O eq 'darwin' && $domain =~ /\.local$/) && $domain =~ /\./;
59a86303
BG
1014}
1015
68ce9330 1016sub maildomain_net {
134550fe
JA
1017 my $maildomain;
1018
1019 if (eval { require Net::Domain; 1 }) {
1020 my $domain = Net::Domain::domainname();
59a86303 1021 $maildomain = $domain if valid_fqdn($domain);
134550fe
JA
1022 }
1023
1024 return $maildomain;
1025}
1026
68ce9330 1027sub maildomain_mta {
134550fe
JA
1028 my $maildomain;
1029
1030 if (eval { require Net::SMTP; 1 }) {
1031 for my $host (qw(mailhost localhost)) {
1032 my $smtp = Net::SMTP->new($host);
1033 if (defined $smtp) {
1034 my $domain = $smtp->domain;
1035 $smtp->quit;
1036
59a86303 1037 $maildomain = $domain if valid_fqdn($domain);
134550fe
JA
1038
1039 last if $maildomain;
1040 }
1041 }
1042 }
1043
1044 return $maildomain;
1045}
1046
68ce9330 1047sub maildomain {
69cf7bfd 1048 return maildomain_net() || maildomain_mta() || 'localhost.localdomain';
134550fe
JA
1049}
1050
4d31a44a
MN
1051sub smtp_host_string {
1052 if (defined $smtp_server_port) {
1053 return "$smtp_server:$smtp_server_port";
1054 } else {
1055 return $smtp_server;
1056 }
1057}
1058
1059# Returns 1 if authentication succeeded or was not necessary
1060# (smtp_user was not specified), and 0 otherwise.
1061
1062sub smtp_auth_maybe {
1063 if (!defined $smtp_authuser || $auth) {
1064 return 1;
1065 }
1066
1067 # Workaround AUTH PLAIN/LOGIN interaction defect
1068 # with Authen::SASL::Cyrus
1069 eval {
1070 require Authen::SASL;
1071 Authen::SASL->import(qw(Perl));
1072 };
1073
1074 # TODO: Authentication may fail not because credentials were
1075 # invalid but due to other reasons, in which we should not
1076 # reject credentials.
1077 $auth = Git::credential({
1078 'protocol' => 'smtp',
1079 'host' => smtp_host_string(),
1080 'username' => $smtp_authuser,
1081 # if there's no password, "git credential fill" will
1082 # give us one, otherwise it'll just pass this one.
1083 'password' => $smtp_authpass
1084 }, sub {
1085 my $cred = shift;
1086 return !!$smtp->auth($cred->{'username'}, $cred->{'password'});
1087 });
1088
1089 return $auth;
1090}
1091
15da1084 1092# Returns 1 if the message was sent, and 0 otherwise.
a1b5b371 1093# In actuality, the whole program dies when there
15da1084
MW
1094# is an error sending a message.
1095
68ce9330 1096sub send_message {
4bc87a28 1097 my @recipients = unique_email_list(@to);
e4312255 1098 @cc = (grep { my $cc = extract_valid_address_or_die($_);
83acaaec 1099 not grep { $cc eq $_ || $_ =~ /<\Q${cc}\E>$/ } @recipients
7ac17529 1100 }
7ac17529 1101 @cc);
4bc87a28 1102 my $to = join (",\n\t", @recipients);
58063245 1103 @recipients = unique_email_list(@recipients,@cc,@bcclist);
e4312255 1104 @recipients = (map { extract_valid_address_or_die($_) } @recipients);
6bdca890 1105 my $date = format_2822_time($time++);
e923effb
ML
1106 my $gitversion = '@@GIT_VERSION@@';
1107 if ($gitversion =~ m/..GIT_VERSION../) {
3cb8caf7 1108 $gitversion = Git::version();
e923effb 1109 }
4bc87a28 1110
02461e0e 1111 my $cc = join(",\n\t", unique_email_list(@cc));
f06a6a49
JH
1112 my $ccline = "";
1113 if ($cc ne '') {
1114 $ccline = "\nCc: $cc";
1115 }
94638f89 1116 my $sanitized_sender = sanitize_address($sender);
4f3d3703 1117 make_message_id() unless defined($message_id);
aeb59328 1118
94638f89 1119 my $header = "From: $sanitized_sender
f06a6a49 1120To: $to${ccline}
4bc87a28 1121Subject: $subject
4bc87a28
EW
1122Date: $date
1123Message-Id: $message_id
e923effb 1124X-Mailer: git-send-email $gitversion
4bc87a28 1125";
3e0c4ffd 1126 if ($reply_to) {
7ccf7927
RA
1127
1128 $header .= "In-Reply-To: $reply_to\n";
1129 $header .= "References: $references\n";
1130 }
ce91c2f6
JH
1131 if (@xh) {
1132 $header .= join("\n", @xh) . "\n";
1133 }
4bc87a28 1134
c38f0247 1135 my @sendmail_parameters = ('-i', @recipients);
94638f89 1136 my $raw_from = $sanitized_sender;
c89e3241
FC
1137 if (defined $envelope_sender && $envelope_sender ne "auto") {
1138 $raw_from = $envelope_sender;
1139 }
f073a592
RJ
1140 $raw_from = extract_valid_address($raw_from);
1141 unshift (@sendmail_parameters,
1142 '-f', $raw_from) if(defined $envelope_sender);
8e3d436b 1143
c1f2aa45
JS
1144 if ($needs_confirm && !$dry_run) {
1145 print "\n$header\n";
1146 if ($needs_confirm eq "inform") {
1147 $confirm_unconfigured = 0; # squelch this message for the rest of this run
6e182518 1148 $ask_default = "y"; # assume yes on EOF since user hasn't explicitly asked for confirmation
c1f2aa45
JS
1149 print " The Cc list above has been expanded by additional\n";
1150 print " addresses found in the patch commit message. By default\n";
1151 print " send-email prompts before sending whenever this occurs.\n";
1152 print " This behavior is controlled by the sendemail.confirm\n";
1153 print " configuration setting.\n";
1154 print "\n";
1155 print " For additional information, run 'git send-email --help'.\n";
1156 print " To retain the current behavior, but squelch this message,\n";
1157 print " run 'git config --global sendemail.confirm auto'.\n\n";
1158 }
6e182518
JS
1159 $_ = ask("Send this email? ([y]es|[n]o|[q]uit|[a]ll): ",
1160 valid_re => qr/^(?:yes|y|no|n|quit|q|all|a)/i,
1161 default => $ask_default);
1162 die "Send this email reply required" unless defined $_;
c1f2aa45 1163 if (/^n/i) {
15da1084 1164 return 0;
c1f2aa45
JS
1165 } elsif (/^q/i) {
1166 cleanup_compose_files();
1167 exit(0);
1168 } elsif (/^a/i) {
1169 $confirm = 'never';
1170 }
1171 }
1172
052fbea2
PO
1173 unshift (@sendmail_parameters, @smtp_server_options);
1174
6130259c
MW
1175 if ($dry_run) {
1176 # We don't want to send the email.
1177 } elsif ($smtp_server =~ m#^/#) {
aca7ad76
EW
1178 my $pid = open my $sm, '|-';
1179 defined $pid or die $!;
1180 if (!$pid) {
8e3d436b 1181 exec($smtp_server, @sendmail_parameters) or die $!;
aca7ad76
EW
1182 }
1183 print $sm "$header\n$message";
5e2c2ab1 1184 close $sm or die $!;
aca7ad76 1185 } else {
44b2476a
JH
1186
1187 if (!defined $smtp_server) {
1188 die "The required SMTP server is not properly defined."
1189 }
1190
f6bebd12 1191 if ($smtp_encryption eq 'ssl') {
44b2476a 1192 $smtp_server_port ||= 465; # ssmtp
34cc60ce 1193 require Net::SMTP::SSL;
69cf7bfd 1194 $smtp_domain ||= maildomain();
134550fe 1195 $smtp ||= Net::SMTP::SSL->new($smtp_server,
69cf7bfd 1196 Hello => $smtp_domain,
134550fe 1197 Port => $smtp_server_port);
34cc60ce
DS
1198 }
1199 else {
1200 require Net::SMTP;
69cf7bfd 1201 $smtp_domain ||= maildomain();
4d31a44a 1202 $smtp ||= Net::SMTP->new(smtp_host_string(),
69cf7bfd 1203 Hello => $smtp_domain,
f60812ef 1204 Debug => $debug_net_smtp);
fb3650ed 1205 if ($smtp_encryption eq 'tls' && $smtp) {
f6bebd12
TR
1206 require Net::SMTP::SSL;
1207 $smtp->command('STARTTLS');
1208 $smtp->response();
1209 if ($smtp->code == 220) {
1210 $smtp = Net::SMTP::SSL->start_SSL($smtp)
1211 or die "STARTTLS failed! ".$smtp->message;
6cbf8b00 1212 $smtp_encryption = '';
9d1ccf5e
RS
1213 # Send EHLO again to receive fresh
1214 # supported commands
155b940f 1215 $smtp->hello($smtp_domain);
f6bebd12
TR
1216 } else {
1217 die "Server does not support STARTTLS! ".$smtp->message;
1218 }
1219 }
44b2476a
JH
1220 }
1221
1222 if (!$smtp) {
f60812ef 1223 die "Unable to initialize SMTP properly. Check config and use --smtp-debug. ",
e5afb3a6
JA
1224 "VALUES: server=$smtp_server ",
1225 "encryption=$smtp_encryption ",
69cf7bfd 1226 "hello=$smtp_domain",
a1dd7e16 1227 defined $smtp_server_port ? " port=$smtp_server_port" : "";
44b2476a
JH
1228 }
1229
4d31a44a 1230 smtp_auth_maybe or die $smtp->message;
2363d746 1231
2b69bfc2 1232 $smtp->mail( $raw_from ) or die $smtp->message;
aca7ad76
EW
1233 $smtp->to( @recipients ) or die $smtp->message;
1234 $smtp->data or die $smtp->message;
1235 $smtp->datasend("$header\n$message") or die $smtp->message;
1236 $smtp->dataend() or die $smtp->message;
15da1084 1237 $smtp->code =~ /250|200/ or die "Failed to send $subject\n".$smtp->message;
aca7ad76 1238 }
2718435b 1239 if ($quiet) {
71c7da94 1240 printf (($dry_run ? "Dry-" : "")."Sent %s\n", $subject);
2718435b 1241 } else {
b7f30e0a 1242 print (($dry_run ? "Dry-" : "")."OK. Log says:\n");
2b69bfc2 1243 if ($smtp_server !~ m#^/#) {
aca7ad76 1244 print "Server: $smtp_server\n";
2b69bfc2 1245 print "MAIL FROM:<$raw_from>\n";
02461e0e
JP
1246 foreach my $entry (@recipients) {
1247 print "RCPT TO:<$entry>\n";
1248 }
aca7ad76 1249 } else {
8e3d436b 1250 print "Sendmail: $smtp_server ".join(' ',@sendmail_parameters)."\n";
aca7ad76 1251 }
b7f30e0a 1252 print $header, "\n";
aca7ad76
EW
1253 if ($smtp) {
1254 print "Result: ", $smtp->code, ' ',
1255 ($smtp->message =~ /\n([^\n]+\n)$/s), "\n";
1256 } else {
1257 print "Result: OK\n";
1258 }
30d08b34 1259 }
15da1084
MW
1260
1261 return 1;
83b24437
RA
1262}
1263
83b24437 1264$reply_to = $initial_reply_to;
2186d566 1265$references = $initial_reply_to || '';
83b24437 1266$subject = $initial_subject;
c1f2aa45 1267$message_num = 0;
83b24437
RA
1268
1269foreach my $t (@files) {
f9237e61 1270 open my $fh, "<", $t or die "can't open file $t";
83b24437 1271
94638f89 1272 my $author = undef;
8291db6f
JK
1273 my $author_encoding;
1274 my $has_content_type;
1275 my $body_encoding;
3c3bb51c 1276 @to = ();
c1f2aa45 1277 @cc = ();
ce91c2f6 1278 @xh = ();
e6b0964a 1279 my $input_format = undef;
5012699d 1280 my @header = ();
83b24437 1281 $message = "";
c1f2aa45 1282 $message_num++;
5012699d 1283 # First unfold multiline header fields
f9237e61 1284 while(<$fh>) {
5012699d
JS
1285 last if /^\s*$/;
1286 if (/^\s+\S/ and @header) {
1287 chomp($header[$#header]);
1288 s/^\s+/ /;
1289 $header[$#header] .= $_;
1290 } else {
1291 push(@header, $_);
1292 }
1293 }
1294 # Now parse the header
1295 foreach(@header) {
1296 if (/^From /) {
1297 $input_format = 'mbox';
1298 next;
1299 }
1300 chomp;
1301 if (!defined $input_format && /^[-A-Za-z]+:\s/) {
1302 $input_format = 'mbox';
1303 }
1304
1305 if (defined $input_format && $input_format eq 'mbox') {
6310071a 1306 if (/^Subject:\s+(.*)$/i) {
5012699d 1307 $subject = $1;
e6b0964a 1308 }
6310071a 1309 elsif (/^From:\s+(.*)$/i) {
5012699d
JS
1310 ($author, $author_encoding) = unquote_rfc2047($1);
1311 next if $suppress_cc{'author'};
1312 next if $suppress_cc{'self'} and $author eq $sender;
1313 printf("(mbox) Adding cc: %s from line '%s'\n",
1314 $1, $_) unless $quiet;
1315 push @cc, $1;
e6b0964a 1316 }
6310071a 1317 elsif (/^To:\s+(.*)$/i) {
21802cd3
SB
1318 foreach my $addr (parse_address_line($1)) {
1319 printf("(mbox) Adding to: %s from line '%s'\n",
1320 $addr, $_) unless $quiet;
e4312255 1321 push @to, $addr;
21802cd3
SB
1322 }
1323 }
6310071a 1324 elsif (/^Cc:\s+(.*)$/i) {
5012699d
JS
1325 foreach my $addr (parse_address_line($1)) {
1326 if (unquote_rfc2047($addr) eq $sender) {
65648283 1327 next if ($suppress_cc{'self'});
65648283
DB
1328 } else {
1329 next if ($suppress_cc{'cc'});
8a8e6235 1330 }
83b24437 1331 printf("(mbox) Adding cc: %s from line '%s'\n",
5012699d
JS
1332 $addr, $_) unless $quiet;
1333 push @cc, $addr;
83b24437 1334 }
5012699d
JS
1335 }
1336 elsif (/^Content-type:/i) {
1337 $has_content_type = 1;
1338 if (/charset="?([^ "]+)/) {
1339 $body_encoding = $1;
83b24437 1340 }
5012699d 1341 push @xh, $_;
83b24437 1342 }
5012699d
JS
1343 elsif (/^Message-Id: (.*)/i) {
1344 $message_id = $1;
83b24437 1345 }
6310071a 1346 elsif (!/^Date:\s/i && /^[-A-Za-z]+:\s+\S/) {
5012699d
JS
1347 push @xh, $_;
1348 }
1349
83b24437 1350 } else {
5012699d
JS
1351 # In the traditional
1352 # "send lots of email" format,
1353 # line 1 = cc
1354 # line 2 = subject
1355 # So let's support that, too.
1356 $input_format = 'lots';
1357 if (@cc == 0 && !$suppress_cc{'cc'}) {
1358 printf("(non-mbox) Adding cc: %s from line '%s'\n",
1359 $_, $_) unless $quiet;
1360 push @cc, $_;
1361 } elsif (!defined $subject) {
1362 $subject = $_;
83b24437
RA
1363 }
1364 }
1365 }
5012699d 1366 # Now parse the message body
f9237e61 1367 while(<$fh>) {
5012699d
JS
1368 $message .= $_;
1369 if (/^(Signed-off-by|Cc): (.*)$/i) {
5012699d 1370 chomp;
3531e270 1371 my ($what, $c) = ($1, $2);
5012699d 1372 chomp $c;
3531e270
JS
1373 if ($c eq $sender) {
1374 next if ($suppress_cc{'self'});
1375 } else {
1376 next if $suppress_cc{'sob'} and $what =~ /Signed-off-by/i;
1377 next if $suppress_cc{'bodycc'} and $what =~ /Cc/i;
1378 }
5012699d 1379 push @cc, $c;
3531e270 1380 printf("(body) Adding cc: %s from line '%s'\n",
5012699d
JS
1381 $c, $_) unless $quiet;
1382 }
1383 }
f9237e61 1384 close $fh;
324a8bd0 1385
6e74e075
JP
1386 push @to, recipients_cmd("to-cmd", "to", $to_cmd, $t)
1387 if defined $to_cmd;
1388 push @cc, recipients_cmd("cc-cmd", "cc", $cc_cmd, $t)
1389 if defined $cc_cmd && !$suppress_cc{'cccmd'};
324a8bd0 1390
3cae7e5b
TR
1391 if ($broken_encoding{$t} && !$has_content_type) {
1392 $has_content_type = 1;
1393 push @xh, "MIME-Version: 1.0",
1394 "Content-Type: text/plain; charset=$auto_8bit_encoding",
1395 "Content-Transfer-Encoding: 8bit";
1396 $body_encoding = $auto_8bit_encoding;
1397 }
1398
ce547800
KM
1399 if ($broken_encoding{$t} && !is_rfc2047_quoted($subject)) {
1400 $subject = quote_subject($subject, $auto_8bit_encoding);
3cae7e5b
TR
1401 }
1402
5012699d 1403 if (defined $author and $author ne $sender) {
94638f89 1404 $message = "From: $author\n\n$message";
8291db6f
JK
1405 if (defined $author_encoding) {
1406 if ($has_content_type) {
1407 if ($body_encoding eq $author_encoding) {
1408 # ok, we already have the right encoding
1409 }
1410 else {
1411 # uh oh, we should re-encode
1412 }
1413 }
1414 else {
3cae7e5b 1415 $has_content_type = 1;
8291db6f
JK
1416 push @xh,
1417 'MIME-Version: 1.0',
8641ee3d
JK
1418 "Content-Type: text/plain; charset=$author_encoding",
1419 'Content-Transfer-Encoding: 8bit';
8291db6f
JK
1420 }
1421 }
8a8e6235 1422 }
83b24437 1423
c1f2aa45
JS
1424 $needs_confirm = (
1425 $confirm eq "always" or
1426 ($confirm =~ /^(?:auto|cc)$/ && @cc) or
1427 ($confirm =~ /^(?:auto|compose)$/ && $compose && $message_num == 1));
1428 $needs_confirm = "inform" if ($needs_confirm && $confirm_unconfigured && @cc);
1429
e4312255
KM
1430 @to = validate_address_list(sanitize_address_list(@to));
1431 @cc = validate_address_list(sanitize_address_list(@cc));
1432
3c3bb51c 1433 @to = (@initial_to, @to);
c1f2aa45
JS
1434 @cc = (@initial_cc, @cc);
1435
15da1084 1436 my $message_was_sent = send_message();
83b24437
RA
1437
1438 # set up for the next message
95a877a3 1439 if ($thread && $message_was_sent &&
db54c8e7
AO
1440 (chain_reply_to() || !defined $reply_to || length($reply_to) == 0 ||
1441 $message_num == 1)) {
78488b2c 1442 $reply_to = $message_id;
7ccf7927 1443 if (length $references > 0) {
a925b89c 1444 $references .= "\n $message_id";
7ccf7927
RA
1445 } else {
1446 $references = "$message_id";
1447 }
78488b2c 1448 }
4f3d3703 1449 $message_id = undef;
83b24437 1450}
e205735d 1451
6e74e075
JP
1452# Execute a command (e.g. $to_cmd) to get a list of email addresses
1453# and return a results array
1454sub recipients_cmd {
1455 my ($prefix, $what, $cmd, $file) = @_;
1456
1457 my $sanitized_sender = sanitize_address($sender);
1458 my @addresses = ();
a47eab03 1459 open my $fh, "-|", "$cmd \Q$file\E"
6e74e075 1460 or die "($prefix) Could not execute '$cmd'";
7ebee441 1461 while (my $address = <$fh>) {
6e74e075
JP
1462 $address =~ s/^\s*//g;
1463 $address =~ s/\s*$//g;
1464 $address = sanitize_address($address);
1465 next if ($address eq $sanitized_sender and $suppress_from);
1466 push @addresses, $address;
1467 printf("($prefix) Adding %s: %s from: '%s'\n",
1468 $what, $address, $cmd) unless $quiet;
1469 }
7ebee441 1470 close $fh
6e74e075
JP
1471 or die "($prefix) failed to close pipe to '$cmd'";
1472 return @addresses;
1473}
1474
c1f2aa45 1475cleanup_compose_files();
1f038a0c 1476
4bf597ee 1477sub cleanup_compose_files {
c1f2aa45 1478 unlink($compose_filename, $compose_filename . ".final") if $compose;
1f038a0c
RA
1479}
1480
4bc87a28 1481$smtp->quit if $smtp;
e205735d 1482
c438ea2a 1483sub unique_email_list {
e205735d
RA
1484 my %seen;
1485 my @emails;
1486
1487 foreach my $entry (@_) {
e4312255
KM
1488 my $clean = extract_valid_address_or_die($entry);
1489 $seen{$clean} ||= 0;
1490 next if $seen{$clean}++;
1491 push @emails, $entry;
e205735d
RA
1492 }
1493 return @emails;
1494}
747bbff9
JK
1495
1496sub validate_patch {
1497 my $fn = shift;
1498 open(my $fh, '<', $fn)
1499 or die "unable to open $fn: $!\n";
1500 while (my $line = <$fh>) {
1501 if (length($line) > 998) {
1502 return "$.: patch contains a line longer than 998 characters";
1503 }
1504 }
622bc930 1505 return;
747bbff9 1506}
0706bd19
JK
1507
1508sub file_has_nonascii {
1509 my $fn = shift;
1510 open(my $fh, '<', $fn)
1511 or die "unable to open $fn: $!\n";
1512 while (my $line = <$fh>) {
1513 return 1 if $line =~ /[^[:ascii:]]/;
1514 }
1515 return 0;
1516}
3cae7e5b
TR
1517
1518sub body_or_subject_has_nonascii {
1519 my $fn = shift;
1520 open(my $fh, '<', $fn)
1521 or die "unable to open $fn: $!\n";
1522 while (my $line = <$fh>) {
1523 last if $line =~ /^$/;
1524 return 1 if $line =~ /^Subject.*[^[:ascii:]]/;
1525 }
1526 while (my $line = <$fh>) {
1527 return 1 if $line =~ /[^[:ascii:]]/;
1528 }
1529 return 0;
1530}