send-email: allow send-email to run outside a repo
[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`
71 --suppress-cc <str> * author, self, sob, cccmd, all.
72 --[no-]signed-off-by-cc * Send to Cc: and Signed-off-by:
73 addresses. Default on.
74 --[no-]suppress-from * Send to self. Default off.
75 --[no-]chain-reply-to * Chain In-Reply-To: fields. Default on.
76 --[no-]thread * Use In-Reply-To: field. Default on.
77
78 Administering:
79 --quiet * Output one line of info per email.
80 --dry-run * Don't actually send the emails.
81 --[no-]validate * Perform patch sanity checks. Default on.
5df9fcf6
PH
82 --[no-]format-patch * understand any non optional arguments as
83 `git format-patch` ones.
c764a0c2 84
1b0baf14
MC
85EOT
86 exit(1);
87}
88
4bc87a28 89# most mail servers generate the Date: header, but not all...
6bdca890
JN
90sub format_2822_time {
91 my ($time) = @_;
92 my @localtm = localtime($time);
93 my @gmttm = gmtime($time);
94 my $localmin = $localtm[1] + $localtm[2] * 60;
95 my $gmtmin = $gmttm[1] + $gmttm[2] * 60;
96 if ($localtm[0] != $gmttm[0]) {
97 die "local zone differs from GMT by a non-minute interval\n";
98 }
99 if ((($gmttm[6] + 1) % 7) == $localtm[6]) {
100 $localmin += 1440;
101 } elsif ((($gmttm[6] - 1) % 7) == $localtm[6]) {
102 $localmin -= 1440;
103 } elsif ($gmttm[6] != $localtm[6]) {
104 die "local time offset greater than or equal to 24 hours\n";
105 }
106 my $offset = $localmin - $gmtmin;
107 my $offhour = $offset / 60;
108 my $offmin = abs($offset % 60);
109 if (abs($offhour) >= 24) {
110 die ("local time offset greater than or equal to 24 hours\n");
111 }
112
113 return sprintf("%s, %2d %s %d %02d:%02d:%02d %s%02d%02d",
114 qw(Sun Mon Tue Wed Thu Fri Sat)[$localtm[6]],
115 $localtm[3],
116 qw(Jan Feb Mar Apr May Jun
117 Jul Aug Sep Oct Nov Dec)[$localtm[4]],
118 $localtm[5]+1900,
119 $localtm[2],
120 $localtm[1],
121 $localtm[0],
122 ($offset >= 0) ? '+' : '-',
123 abs($offhour),
124 $offmin,
125 );
126}
4bc87a28 127
567ffeb7 128my $have_email_valid = eval { require Email::Valid; 1 };
4bc87a28 129my $smtp;
5f5b6118 130my $auth;
4bc87a28 131
e205735d 132sub unique_email_list(@);
1f038a0c
RA
133sub cleanup_compose_files();
134
83b24437 135# Variables we fill in automatically, or via prompting:
ce91c2f6 136my (@to,@cc,@initial_cc,@bcclist,@xh,
8fd5bb7f
PH
137 $initial_reply_to,$initial_subject,@files,
138 $author,$sender,$smtp_authpass,$annotate,$compose,$time);
83b24437 139
f073a592 140my $envelope_sender;
78488b2c 141
9133261f 142# Example reply to:
83b24437 143#$initial_reply_to = ''; #<20050203173208.GA23964@foobar.com>';
83b24437 144
ad79c024
FL
145my $repo = eval { Git->repository() };
146my @repo = $repo ? ($repo) : ();
280242d1 147my $term = eval {
0fb7fc75
JS
148 $ENV{"GIT_SEND_EMAIL_NOTTY"}
149 ? new Term::ReadLine 'git-send-email', \*STDIN, \*STDOUT
150 : new Term::ReadLine 'git-send-email';
280242d1
JH
151};
152if ($@) {
153 $term = new FakeTerm "$@: going non-interactive";
154}
83b24437 155
5483c71d
AR
156# Behavior modification variables
157my ($quiet, $dry_run) = (0, 0);
5df9fcf6 158my $format_patch;
eed6ca7c
JS
159my $compose_filename = ($repo ?
160 tempfile(".gitsendemail.msg.XXXXXX", DIR => $repo->repo_path()) :
161 tempfile(".gitsendemail.msg.XXXXXX", DIR => "."))[1];
162
5483c71d 163
8fd5bb7f
PH
164# Handle interactive edition of files.
165my $multiedit;
166my $editor = $ENV{GIT_EDITOR} || Git::config(@repo, "core.editor") || $ENV{VISUAL} || $ENV{EDITOR} || "vi";
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);
dbf5e1e9 187my ($validate);
65648283 188my (@suppress_cc);
5483c71d 189
34cc60ce 190my %config_bool_settings = (
5483c71d
AR
191 "thread" => [\$thread, 1],
192 "chainreplyto" => [\$chain_reply_to, 1],
65648283 193 "suppressfrom" => [\$suppress_from, undef],
ddc3d4fe
MW
194 "signedoffbycc" => [\$signed_off_by_cc, undef],
195 "signedoffcc" => [\$signed_off_by_cc, undef], # Deprecated
dbf5e1e9 196 "validate" => [\$validate, 1],
e46f7a0e
AR
197);
198
34cc60ce
DS
199my %config_settings = (
200 "smtpserver" => \$smtp_server,
44b2476a 201 "smtpserverport" => \$smtp_server_port,
34cc60ce
DS
202 "smtpuser" => \$smtp_authuser,
203 "smtppass" => \$smtp_authpass,
2db9b49c 204 "to" => \@to,
5f8b9fcd 205 "cc" => \@initial_cc,
34cc60ce
DS
206 "cccmd" => \$cc_cmd,
207 "aliasfiletype" => \$aliasfiletype,
208 "bcc" => \@bcclist,
209 "aliasesfile" => \@alias_files,
65648283 210 "suppresscc" => \@suppress_cc,
9f7820ae 211 "envelopesender" => \$envelope_sender,
8fd5bb7f 212 "multiedit" => \$multiedit,
34cc60ce 213);
4a62d3f5 214
87429976
MW
215# Handle Uncouth Termination
216sub signal_handler {
217
218 # Make text normal
219 print color("reset"), "\n";
220
221 # SMTP password masked
222 system "stty echo";
223
224 # tmp files from --compose
225 if (-e $compose_filename) {
226 print "'$compose_filename' contains an intermediate version of the email you were composing.\n";
227 }
228 if (-e ($compose_filename . ".final")) {
229 print "'$compose_filename.final' contains the composed email.\n"
230 }
231
232 exit;
233};
234
235$SIG{TERM} = \&signal_handler;
236$SIG{INT} = \&signal_handler;
237
83b24437
RA
238# Begin by accumulating all the variables (defined above), that we will end up
239# needing, first, from the command line:
240
94638f89 241my $rc = GetOptions("sender|from=s" => \$sender,
83b24437
RA
242 "in-reply-to=s" => \$initial_reply_to,
243 "subject=s" => \$initial_subject,
244 "to=s" => \@to,
da140f8b 245 "cc=s" => \@initial_cc,
58063245 246 "bcc=s" => \@bcclist,
78488b2c 247 "chain-reply-to!" => \$chain_reply_to,
3342d850 248 "smtp-server=s" => \$smtp_server,
44b2476a 249 "smtp-server-port=s" => \$smtp_server_port,
34cc60ce 250 "smtp-user=s" => \$smtp_authuser,
2363d746 251 "smtp-pass:s" => \$smtp_authpass,
f6bebd12
TR
252 "smtp-ssl" => sub { $smtp_encryption = 'ssl' },
253 "smtp-encryption=s" => \$smtp_encryption,
34cc60ce 254 "identity=s" => \$identity,
8fd5bb7f 255 "annotate" => \$annotate,
1f038a0c 256 "compose" => \$compose,
30d08b34 257 "quiet" => \$quiet,
324a8bd0 258 "cc-cmd=s" => \$cc_cmd,
5483c71d 259 "suppress-from!" => \$suppress_from,
65648283 260 "suppress-cc=s" => \@suppress_cc,
ddc3d4fe 261 "signed-off-cc|signed-off-by-cc!" => \$signed_off_by_cc,
6130259c 262 "dry-run" => \$dry_run,
f073a592 263 "envelope-sender=s" => \$envelope_sender,
5483c71d 264 "thread!" => \$thread,
dbf5e1e9 265 "validate!" => \$validate,
5df9fcf6 266 "format-patch!" => \$format_patch,
83b24437
RA
267 );
268
1b0baf14
MC
269unless ($rc) {
270 usage();
271}
272
eed6ca7c
JS
273die "Cannot run git format-patch from outside a repository\n"
274 if $format_patch and not $repo;
275
34cc60ce
DS
276# Now, let's fill any that aren't set in with defaults:
277
278sub read_config {
279 my ($prefix) = @_;
280
281 foreach my $setting (keys %config_bool_settings) {
282 my $target = $config_bool_settings{$setting}->[0];
ad79c024 283 $$target = Git::config_bool(@repo, "$prefix.$setting") unless (defined $$target);
34cc60ce
DS
284 }
285
286 foreach my $setting (keys %config_settings) {
287 my $target = $config_settings{$setting};
288 if (ref($target) eq "ARRAY") {
289 unless (@$target) {
ad79c024 290 my @values = Git::config(@repo, "$prefix.$setting");
34cc60ce
DS
291 @$target = @values if (@values && defined $values[0]);
292 }
293 }
294 else {
ad79c024 295 $$target = Git::config(@repo, "$prefix.$setting") unless (defined $$target);
34cc60ce
DS
296 }
297 }
f6bebd12
TR
298
299 if (!defined $smtp_encryption) {
300 my $enc = Git::config(@repo, "$prefix.smtpencryption");
301 if (defined $enc) {
302 $smtp_encryption = $enc;
303 } elsif (Git::config_bool(@repo, "$prefix.smtpssl")) {
304 $smtp_encryption = 'ssl';
305 }
306 }
34cc60ce
DS
307}
308
309# read configuration from [sendemail "$identity"], fall back on [sendemail]
ad79c024 310$identity = Git::config(@repo, "sendemail.identity") unless (defined $identity);
34cc60ce
DS
311read_config("sendemail.$identity") if (defined $identity);
312read_config("sendemail");
313
314# fall back on builtin bool defaults
315foreach my $setting (values %config_bool_settings) {
316 ${$setting->[0]} = $setting->[1] unless (defined (${$setting->[0]}));
317}
318
fa835cd5
TR
319# 'default' encryption is none -- this only prevents a warning
320$smtp_encryption = '' unless (defined $smtp_encryption);
321
65648283
DB
322# Set CC suppressions
323my(%suppress_cc);
324if (@suppress_cc) {
325 foreach my $entry (@suppress_cc) {
326 die "Unknown --suppress-cc field: '$entry'\n"
327 unless $entry =~ /^(all|cccmd|cc|author|self|sob)$/;
328 $suppress_cc{$entry} = 1;
329 }
330}
331
332if ($suppress_cc{'all'}) {
333 foreach my $entry (qw (ccmd cc author self sob)) {
334 $suppress_cc{$entry} = 1;
335 }
336 delete $suppress_cc{'all'};
337}
338
339# If explicit old-style ones are specified, they trump --suppress-cc.
340$suppress_cc{'self'} = $suppress_from if defined $suppress_from;
ddc3d4fe 341$suppress_cc{'sob'} = !$signed_off_by_cc if defined $signed_off_by_cc;
65648283
DB
342
343# Debugging, print out the suppressions.
344if (0) {
345 print "suppressions:\n";
346 foreach my $entry (keys %suppress_cc) {
347 printf " %-5s -> $suppress_cc{$entry}\n", $entry;
348 }
349}
350
ad79c024
FL
351my ($repoauthor, $repocommitter);
352($repoauthor) = Git::ident_person(@repo, 'author');
353($repocommitter) = Git::ident_person(@repo, 'committer');
34cc60ce 354
79ee555b
EB
355# Verify the user input
356
357foreach my $entry (@to) {
358 die "Comma in --to entry: $entry'\n" unless $entry !~ m/,/;
359}
360
361foreach my $entry (@initial_cc) {
362 die "Comma in --cc entry: $entry'\n" unless $entry !~ m/,/;
363}
364
365foreach my $entry (@bcclist) {
366 die "Comma in --bcclist entry: $entry'\n" unless $entry !~ m/,/;
367}
368
0e73b3ee 369sub split_addrs {
2f0e7cbb 370 return quotewords('\s*,\s*', 1, @_);
0e73b3ee
WF
371}
372
994d6c66 373my %aliases;
994d6c66
EW
374my %parse_alias = (
375 # multiline formats can be supported in the future
376 mutt => sub { my $fh = shift; while (<$fh>) {
504ceab6 377 if (/^\s*alias\s+(\S+)\s+(.*)$/) {
994d6c66
EW
378 my ($alias, $addr) = ($1, $2);
379 $addr =~ s/#.*$//; # mutt allows # comments
380 # commas delimit multiple addresses
0e73b3ee 381 $aliases{$alias} = [ split_addrs($addr) ];
994d6c66
EW
382 }}},
383 mailrc => sub { my $fh = shift; while (<$fh>) {
384 if (/^alias\s+(\S+)\s+(.*)$/) {
385 # spaces delimit multiple addresses
386 $aliases{$1} = [ split(/\s+/, $2) ];
387 }}},
73c427eb
TP
388 pine => sub { my $fh = shift; my $f='\t[^\t]*';
389 for (my $x = ''; defined($x); $x = $_) {
390 chomp $x;
391 $x .= $1 while(defined($_ = <$fh>) && /^ +(.*)$/);
392 $x =~ /^(\S+)$f\t\(?([^\t]+?)\)?(:?$f){0,2}$/ or next;
0e73b3ee 393 $aliases{$1} = [ split_addrs($2) ];
73c427eb 394 }},
994d6c66
EW
395 gnus => sub { my $fh = shift; while (<$fh>) {
396 if (/\(define-mail-alias\s+"(\S+?)"\s+"(\S+?)"\)/) {
397 $aliases{$1} = [ $2 ];
398 }}}
399);
400
3cb8caf7 401if (@alias_files and $aliasfiletype and defined $parse_alias{$aliasfiletype}) {
994d6c66
EW
402 foreach my $file (@alias_files) {
403 open my $fh, '<', $file or die "opening $file: $!\n";
404 $parse_alias{$aliasfiletype}->($fh);
405 close $fh;
406 }
407}
408
94638f89 409($sender) = expand_aliases($sender) if defined $sender;
ae740a58 410
5df9fcf6
PH
411# returns 1 if the conflict must be solved using it as a format-patch argument
412sub check_file_rev_conflict($) {
eed6ca7c 413 return unless $repo;
5df9fcf6
PH
414 my $f = shift;
415 try {
416 $repo->command('rev-parse', '--verify', '--quiet', $f);
417 if (defined($format_patch)) {
418 print "foo\n";
419 return $format_patch;
420 }
421 die(<<EOF);
422File '$f' exists but it could also be the range of commits
423to produce patches for. Please disambiguate by...
424
425 * Saying "./$f" if you mean a file; or
426 * Giving --format-patch option if you mean a range.
427EOF
428 } catch Git::Error::Command with {
429 return 0;
430 }
431}
432
aa54892f
JK
433# Now that all the defaults are set, process the rest of the command line
434# arguments and collect up the files that need to be processed.
5df9fcf6 435my @rev_list_opts;
69f4ce55 436while (defined(my $f = shift @ARGV)) {
5df9fcf6
PH
437 if ($f eq "--") {
438 push @rev_list_opts, "--", @ARGV;
439 @ARGV = ();
440 } elsif (-d $f and !check_file_rev_conflict($f)) {
aa54892f
JK
441 opendir(DH,$f)
442 or die "Failed to opendir $f: $!";
443
444 push @files, grep { -f $_ } map { +$f . "/" . $_ }
445 sort readdir(DH);
8c178687 446 closedir(DH);
5df9fcf6 447 } elsif ((-f $f or -p $f) and !check_file_rev_conflict($f)) {
aa54892f 448 push @files, $f;
aa54892f 449 } else {
5df9fcf6 450 push @rev_list_opts, $f;
aa54892f
JK
451 }
452}
453
5df9fcf6 454if (@rev_list_opts) {
eed6ca7c
JS
455 die "Cannot run git format-patch from outside a repository\n"
456 unless $repo;
5df9fcf6
PH
457 push @files, $repo->command('format-patch', '-o', tempdir(CLEANUP => 1), @rev_list_opts);
458}
459
dbf5e1e9 460if ($validate) {
c764a0c2 461 foreach my $f (@files) {
300913bd
KB
462 unless (-p $f) {
463 my $error = validate_patch($f);
464 $error and die "fatal: $f: $error\nwarning: no patches were sent\n";
465 }
c764a0c2 466 }
747bbff9
JK
467}
468
aa54892f
JK
469if (@files) {
470 unless ($quiet) {
471 print $_,"\n" for (@files);
472 }
473} else {
474 print STDERR "\nNo patch files specified!\n\n";
475 usage();
476}
477
beece9da
PH
478sub get_patch_subject($) {
479 my $fn = shift;
480 open (my $fh, '<', $fn);
481 while (my $line = <$fh>) {
482 next unless ($line =~ /^Subject: (.*)$/);
483 close $fh;
484 return "GIT: $1\n";
485 }
486 close $fh;
487 die "No subject line in $fn ?";
488}
489
490if ($compose) {
491 # Note that this does not need to be secure, but we will make a small
492 # effort to have it be unique
493 open(C,">",$compose_filename)
494 or die "Failed to open for writing $compose_filename: $!";
495
496
497 my $tpl_sender = $sender || $repoauthor || $repocommitter || '';
498 my $tpl_subject = $initial_subject || '';
499 my $tpl_reply_to = $initial_reply_to || '';
500
501 print C <<EOT;
502From $tpl_sender # This line is ignored.
503GIT: Lines beginning in "GIT: " will be removed.
504GIT: Consider including an overall diffstat or table of contents
505GIT: for the patch you are writing.
506GIT:
507GIT: Clear the body content if you don't wish to send a summary.
508From: $tpl_sender
509Subject: $tpl_subject
510In-Reply-To: $tpl_reply_to
511
512EOT
513 for my $f (@files) {
514 print C get_patch_subject($f);
515 }
516 close(C);
517
518 my $editor = $ENV{GIT_EDITOR} || Git::config(@repo, "core.editor") || $ENV{VISUAL} || $ENV{EDITOR} || "vi";
519
520 if ($annotate) {
521 do_edit($compose_filename, @files);
522 } else {
523 do_edit($compose_filename);
524 }
525
526 open(C2,">",$compose_filename . ".final")
527 or die "Failed to open $compose_filename.final : " . $!;
528
529 open(C,"<",$compose_filename)
530 or die "Failed to open $compose_filename : " . $!;
531
532 my $need_8bit_cte = file_has_nonascii($compose_filename);
533 my $in_body = 0;
534 my $summary_empty = 1;
535 while(<C>) {
536 next if m/^GIT: /;
537 if ($in_body) {
538 $summary_empty = 0 unless (/^\n$/);
539 } elsif (/^\n$/) {
540 $in_body = 1;
541 if ($need_8bit_cte) {
542 print C2 "MIME-Version: 1.0\n",
543 "Content-Type: text/plain; ",
544 "charset=utf-8\n",
545 "Content-Transfer-Encoding: 8bit\n";
546 }
547 } elsif (/^MIME-Version:/i) {
548 $need_8bit_cte = 0;
549 } elsif (/^Subject:\s*(.+)\s*$/i) {
550 $initial_subject = $1;
551 my $subject = $initial_subject;
552 $_ = "Subject: " .
553 ($subject =~ /[^[:ascii:]]/ ?
554 quote_rfc2047($subject) :
555 $subject) .
556 "\n";
557 } elsif (/^In-Reply-To:\s*(.+)\s*$/i) {
558 $initial_reply_to = $1;
559 next;
560 } elsif (/^From:\s*(.+)\s*$/i) {
561 $sender = $1;
562 next;
563 } elsif (/^(?:To|Cc|Bcc):/i) {
564 print "To/Cc/Bcc fields are not interpreted yet, they have been ignored\n";
565 next;
566 }
567 print C2 $_;
568 }
569 close(C);
570 close(C2);
571
572 if ($summary_empty) {
573 print "Summary email is empty, skipping it\n";
574 $compose = -1;
575 }
576} elsif ($annotate) {
577 do_edit(@files);
578}
579
1f038a0c 580my $prompting = 0;
94638f89 581if (!defined $sender) {
ad79c024 582 $sender = $repoauthor || $repocommitter || '';
8a7c56e1
MW
583
584 while (1) {
94638f89 585 $_ = $term->readline("Who should the emails appear to be from? [$sender] ");
8a7c56e1
MW
586 last if defined $_;
587 print "\n";
588 }
8037d1a3 589
94638f89
UKK
590 $sender = $_ if ($_);
591 print "Emails will be sent from: ", $sender, "\n";
1f038a0c 592 $prompting++;
83b24437
RA
593}
594
595if (!@to) {
8a7c56e1
MW
596
597
598 while (1) {
599 $_ = $term->readline("Who should the emails be sent to? ", "");
600 last if defined $_;
601 print "\n";
602 }
603
83b24437 604 my $to = $_;
0e73b3ee 605 push @to, split_addrs($to);
1f038a0c 606 $prompting++;
83b24437
RA
607}
608
994d6c66
EW
609sub expand_aliases {
610 my @cur = @_;
611 my @last;
612 do {
613 @last = @cur;
614 @cur = map { $aliases{$_} ? @{$aliases{$_}} : $_ } @last;
615 } while (join(',',@cur) ne join(',',@last));
616 return @cur;
617}
618
619@to = expand_aliases(@to);
5b56aaa2 620@to = (map { sanitize_address($_) } @to);
994d6c66 621@initial_cc = expand_aliases(@initial_cc);
58063245 622@bcclist = expand_aliases(@bcclist);
994d6c66 623
5483c71d 624if ($thread && !defined $initial_reply_to && $prompting) {
8a7c56e1
MW
625 while (1) {
626 $_= $term->readline("Message-ID to be used as In-Reply-To for the first email? ", $initial_reply_to);
627 last if defined $_;
628 print "\n";
629 }
8037d1a3 630
83b24437
RA
631 $initial_reply_to = $_;
632}
1ca3d6ed 633if (defined $initial_reply_to) {
0fb7fc75
JS
634 $initial_reply_to =~ s/^\s*<?//;
635 $initial_reply_to =~ s/>?\s*$//;
636 $initial_reply_to = "<$initial_reply_to>" if $initial_reply_to ne '';
ace9c2a9 637}
ace72086 638
34cc60ce 639if (!defined $smtp_server) {
aca7ad76
EW
640 foreach (qw( /usr/sbin/sendmail /usr/lib/sendmail )) {
641 if (-x $_) {
642 $smtp_server = $_;
643 last;
644 }
645 }
646 $smtp_server ||= 'localhost'; # could be 127.0.0.1, too... *shrug*
3342d850
RA
647}
648
1f038a0c 649if ($compose) {
8a7c56e1 650 while (1) {
1f038a0c 651 $_ = $term->readline("Send this email? (y|n) ");
8a7c56e1
MW
652 last if defined $_;
653 print "\n";
654 }
1f038a0c
RA
655
656 if (uc substr($_,0,1) ne 'Y') {
657 cleanup_compose_files();
658 exit(0);
659 }
660
beece9da
PH
661 if ($compose > 0) {
662 @files = ($compose_filename . ".final", @files);
663 }
1f038a0c
RA
664}
665
83b24437 666# Variables we set as part of the loop over files
af068d27 667our ($message_id, %mail, $subject, $reply_to, $references, $message);
83b24437 668
567ffeb7
EW
669sub extract_valid_address {
670 my $address = shift;
ad9c18f5 671 my $local_part_regexp = '[^<>"\s@]+';
09302e17 672 my $domain_regexp = '[^.<>"\s@]+(?:\.[^.<>"\s@]+)+';
db3106b2
EW
673
674 # check for a local address:
ad9c18f5 675 return $address if ($address =~ /^($local_part_regexp)$/);
db3106b2 676
155197e6 677 $address =~ s/^\s*<(.*)>\s*$/$1/;
567ffeb7 678 if ($have_email_valid) {
ad9c18f5 679 return scalar Email::Valid->address($address);
567ffeb7
EW
680 } else {
681 # less robust/correct than the monster regexp in Email::Valid,
682 # but still does a 99% job, and one less dependency
ad9c18f5 683 $address =~ /($local_part_regexp\@$domain_regexp)/;
e96fd305 684 return $1;
567ffeb7
EW
685 }
686}
83b24437
RA
687
688# Usually don't need to change anything below here.
689
690# we make a "fake" message id by taking the current number
691# of seconds since the beginning of Unix time and tacking on
692# a random number to the end, in case we are called quicker than
693# 1 second since the last time we were called.
8037d1a3
RA
694
695# We'll setup a template for the message id, using the "from" address:
8037d1a3 696
be510cfe 697my ($message_id_stamp, $message_id_serial);
83b24437
RA
698sub make_message_id
699{
be510cfe
JH
700 my $uniq;
701 if (!defined $message_id_stamp) {
702 $message_id_stamp = sprintf("%s-%s", time, $$);
703 $message_id_serial = 0;
704 }
705 $message_id_serial++;
706 $uniq = "$message_id_stamp-$message_id_serial";
707
aeb59328 708 my $du_part;
94638f89
UKK
709 for ($sender, $repocommitter, $repoauthor) {
710 $du_part = extract_valid_address(sanitize_address($_));
711 last if (defined $du_part and $du_part ne '');
aeb59328 712 }
94638f89 713 if (not defined $du_part or $du_part eq '') {
aeb59328
JH
714 use Sys::Hostname qw();
715 $du_part = 'user@' . Sys::Hostname::hostname();
716 }
be510cfe
JH
717 my $message_id_template = "<%s-git-send-email-%s>";
718 $message_id = sprintf($message_id_template, $uniq, $du_part);
8037d1a3 719 #print "new message id = $message_id\n"; # Was useful for debugging
83b24437
RA
720}
721
722
723
a5370b16 724$time = time - scalar $#files;
83b24437 725
374c5905
JR
726sub unquote_rfc2047 {
727 local ($_) = @_;
8291db6f
JK
728 my $encoding;
729 if (s/=\?([^?]+)\?q\?(.*)\?=/$2/g) {
730 $encoding = $1;
374c5905
JR
731 s/_/ /g;
732 s/=([0-9A-F]{2})/chr(hex($1))/eg;
733 }
8291db6f 734 return wantarray ? ($_, $encoding) : $_;
374c5905
JR
735}
736
d54eaaa2
JK
737sub quote_rfc2047 {
738 local $_ = shift;
739 my $encoding = shift || 'utf-8';
740 s/([^-a-zA-Z0-9!*+\/])/sprintf("=%02X", ord($1))/eg;
741 s/(.*)/=\?$encoding\?q\?$1\?=/;
742 return $_;
743}
744
5b56aaa2
UKK
745# use the simplest quoting being able to handle the recipient
746sub sanitize_address
732263d4
RJ
747{
748 my ($recipient) = @_;
5b56aaa2
UKK
749 my ($recipient_name, $recipient_addr) = ($recipient =~ /^(.*?)\s*(<.*)/);
750
751 if (not $recipient_name) {
752 return "$recipient";
753 }
754
755 # if recipient_name is already quoted, do nothing
756 if ($recipient_name =~ /^(".*"|=\?utf-8\?q\?.*\?=)$/) {
757 return $recipient;
758 }
759
760 # rfc2047 is needed if a non-ascii char is included
761 if ($recipient_name =~ /[^[:ascii:]]/) {
d54eaaa2 762 $recipient_name = quote_rfc2047($recipient_name);
732263d4 763 }
5b56aaa2
UKK
764
765 # double quotes are needed if specials or CTLs are included
766 elsif ($recipient_name =~ /[][()<>@,;:\\".\000-\037\177]/) {
18023c20 767 $recipient_name =~ s/(["\\\r])/\\$1/g;
5b56aaa2
UKK
768 $recipient_name = "\"$recipient_name\"";
769 }
770
771 return "$recipient_name $recipient_addr";
772
732263d4
RJ
773}
774
83b24437
RA
775sub send_message
776{
4bc87a28 777 my @recipients = unique_email_list(@to);
7ac17529
ABH
778 @cc = (grep { my $cc = extract_valid_address($_);
779 not grep { $cc eq $_ } @recipients
780 }
781 map { sanitize_address($_) }
782 @cc);
4bc87a28 783 my $to = join (",\n\t", @recipients);
58063245 784 @recipients = unique_email_list(@recipients,@cc,@bcclist);
c38f0247 785 @recipients = (map { extract_valid_address($_) } @recipients);
6bdca890 786 my $date = format_2822_time($time++);
e923effb
ML
787 my $gitversion = '@@GIT_VERSION@@';
788 if ($gitversion =~ m/..GIT_VERSION../) {
3cb8caf7 789 $gitversion = Git::version();
e923effb 790 }
4bc87a28 791
af068d27 792 my $cc = join(", ", unique_email_list(@cc));
f06a6a49
JH
793 my $ccline = "";
794 if ($cc ne '') {
795 $ccline = "\nCc: $cc";
796 }
94638f89 797 my $sanitized_sender = sanitize_address($sender);
4f3d3703 798 make_message_id() unless defined($message_id);
aeb59328 799
94638f89 800 my $header = "From: $sanitized_sender
f06a6a49 801To: $to${ccline}
4bc87a28 802Subject: $subject
4bc87a28
EW
803Date: $date
804Message-Id: $message_id
e923effb 805X-Mailer: git-send-email $gitversion
4bc87a28 806";
5483c71d 807 if ($thread && $reply_to) {
7ccf7927
RA
808
809 $header .= "In-Reply-To: $reply_to\n";
810 $header .= "References: $references\n";
811 }
ce91c2f6
JH
812 if (@xh) {
813 $header .= join("\n", @xh) . "\n";
814 }
4bc87a28 815
c38f0247 816 my @sendmail_parameters = ('-i', @recipients);
94638f89 817 my $raw_from = $sanitized_sender;
f073a592
RJ
818 $raw_from = $envelope_sender if (defined $envelope_sender);
819 $raw_from = extract_valid_address($raw_from);
820 unshift (@sendmail_parameters,
821 '-f', $raw_from) if(defined $envelope_sender);
8e3d436b 822
6130259c
MW
823 if ($dry_run) {
824 # We don't want to send the email.
825 } elsif ($smtp_server =~ m#^/#) {
aca7ad76
EW
826 my $pid = open my $sm, '|-';
827 defined $pid or die $!;
828 if (!$pid) {
8e3d436b 829 exec($smtp_server, @sendmail_parameters) or die $!;
aca7ad76
EW
830 }
831 print $sm "$header\n$message";
832 close $sm or die $?;
833 } else {
44b2476a
JH
834
835 if (!defined $smtp_server) {
836 die "The required SMTP server is not properly defined."
837 }
838
f6bebd12 839 if ($smtp_encryption eq 'ssl') {
44b2476a 840 $smtp_server_port ||= 465; # ssmtp
34cc60ce 841 require Net::SMTP::SSL;
44b2476a 842 $smtp ||= Net::SMTP::SSL->new($smtp_server, Port => $smtp_server_port);
34cc60ce
DS
843 }
844 else {
845 require Net::SMTP;
44b2476a
JH
846 $smtp ||= Net::SMTP->new((defined $smtp_server_port)
847 ? "$smtp_server:$smtp_server_port"
848 : $smtp_server);
f6bebd12
TR
849 if ($smtp_encryption eq 'tls') {
850 require Net::SMTP::SSL;
851 $smtp->command('STARTTLS');
852 $smtp->response();
853 if ($smtp->code == 220) {
854 $smtp = Net::SMTP::SSL->start_SSL($smtp)
855 or die "STARTTLS failed! ".$smtp->message;
6cbf8b00 856 $smtp_encryption = '';
9d1ccf5e
RS
857 # Send EHLO again to receive fresh
858 # supported commands
859 $smtp->hello();
f6bebd12
TR
860 } else {
861 die "Server does not support STARTTLS! ".$smtp->message;
862 }
863 }
44b2476a
JH
864 }
865
866 if (!$smtp) {
867 die "Unable to initialize SMTP properly. Is there something wrong with your config?";
868 }
869
2363d746
MW
870 if (defined $smtp_authuser) {
871
872 if (!defined $smtp_authpass) {
873
874 system "stty -echo";
875
876 do {
877 print "Password: ";
878 $_ = <STDIN>;
879 print "\n";
880 } while (!defined $_);
881
882 chomp($smtp_authpass = $_);
883
884 system "stty echo";
885 }
886
5f5b6118 887 $auth ||= $smtp->auth( $smtp_authuser, $smtp_authpass ) or die $smtp->message;
34cc60ce 888 }
2363d746 889
2b69bfc2 890 $smtp->mail( $raw_from ) or die $smtp->message;
aca7ad76
EW
891 $smtp->to( @recipients ) or die $smtp->message;
892 $smtp->data or die $smtp->message;
893 $smtp->datasend("$header\n$message") or die $smtp->message;
894 $smtp->dataend() or die $smtp->message;
895 $smtp->ok or die "Failed to send $subject\n".$smtp->message;
896 }
2718435b 897 if ($quiet) {
71c7da94 898 printf (($dry_run ? "Dry-" : "")."Sent %s\n", $subject);
2718435b 899 } else {
b7f30e0a 900 print (($dry_run ? "Dry-" : "")."OK. Log says:\n");
2b69bfc2 901 if ($smtp_server !~ m#^/#) {
aca7ad76 902 print "Server: $smtp_server\n";
2b69bfc2
RJ
903 print "MAIL FROM:<$raw_from>\n";
904 print "RCPT TO:".join(',',(map { "<$_>" } @recipients))."\n";
aca7ad76 905 } else {
8e3d436b 906 print "Sendmail: $smtp_server ".join(' ',@sendmail_parameters)."\n";
aca7ad76 907 }
b7f30e0a 908 print $header, "\n";
aca7ad76
EW
909 if ($smtp) {
910 print "Result: ", $smtp->code, ' ',
911 ($smtp->message =~ /\n([^\n]+\n)$/s), "\n";
912 } else {
913 print "Result: OK\n";
914 }
30d08b34 915 }
83b24437
RA
916}
917
83b24437 918$reply_to = $initial_reply_to;
2186d566 919$references = $initial_reply_to || '';
83b24437
RA
920$subject = $initial_subject;
921
922foreach my $t (@files) {
83b24437
RA
923 open(F,"<",$t) or die "can't open file $t";
924
94638f89 925 my $author = undef;
8291db6f
JK
926 my $author_encoding;
927 my $has_content_type;
928 my $body_encoding;
da140f8b 929 @cc = @initial_cc;
ce91c2f6 930 @xh = ();
e6b0964a 931 my $input_format = undef;
83b24437
RA
932 my $header_done = 0;
933 $message = "";
934 while(<F>) {
935 if (!$header_done) {
e6b0964a
JH
936 if (/^From /) {
937 $input_format = 'mbox';
938 next;
939 }
83b24437 940 chomp;
e6b0964a
JH
941 if (!defined $input_format && /^[-A-Za-z]+:\s/) {
942 $input_format = 'mbox';
943 }
83b24437 944
e6b0964a 945 if (defined $input_format && $input_format eq 'mbox') {
83b24437
RA
946 if (/^Subject:\s+(.*)$/) {
947 $subject = $1;
948
949 } elsif (/^(Cc|From):\s+(.*)$/) {
94638f89 950 if (unquote_rfc2047($2) eq $sender) {
65648283 951 next if ($suppress_cc{'self'});
8a8e6235 952 }
68d42c41 953 elsif ($1 eq 'From') {
8291db6f
JK
954 ($author, $author_encoding)
955 = unquote_rfc2047($2);
65648283
DB
956 next if ($suppress_cc{'author'});
957 } else {
958 next if ($suppress_cc{'cc'});
8a8e6235 959 }
83b24437 960 printf("(mbox) Adding cc: %s from line '%s'\n",
2718435b 961 $2, $_) unless $quiet;
83b24437
RA
962 push @cc, $2;
963 }
8291db6f
JK
964 elsif (/^Content-type:/i) {
965 $has_content_type = 1;
8892048d 966 if (/charset="?([^ "]+)/) {
8291db6f
JK
967 $body_encoding = $1;
968 }
969 push @xh, $_;
970 }
4f3d3703
JK
971 elsif (/^Message-Id: (.*)/i) {
972 $message_id = $1;
973 }
1d6a003a 974 elsif (!/^Date:\s/ && /^[-A-Za-z]+:\s+\S/) {
ce91c2f6
JH
975 push @xh, $_;
976 }
83b24437
RA
977
978 } else {
979 # In the traditional
980 # "send lots of email" format,
981 # line 1 = cc
982 # line 2 = subject
983 # So let's support that, too.
e6b0964a 984 $input_format = 'lots';
65648283 985 if (@cc == 0 && !$suppress_cc{'cc'}) {
83b24437 986 printf("(non-mbox) Adding cc: %s from line '%s'\n",
2718435b 987 $_, $_) unless $quiet;
83b24437
RA
988
989 push @cc, $_;
990
991 } elsif (!defined $subject) {
992 $subject = $_;
993 }
994 }
5825e5b2 995
83b24437
RA
996 # A whitespace line will terminate the headers
997 if (m/^\s*$/) {
998 $header_done = 1;
999 }
1000 } else {
1001 $message .= $_;
65648283
DB
1002 if (/^(Signed-off-by|Cc): (.*)$/i) {
1003 next if ($suppress_cc{'sob'});
ba51795c 1004 chomp;
abec100c 1005 my $c = $2;
83b24437 1006 chomp $c;
65648283 1007 next if ($c eq $sender and $suppress_cc{'self'});
83b24437
RA
1008 push @cc, $c;
1009 printf("(sob) Adding cc: %s from line '%s'\n",
2718435b 1010 $c, $_) unless $quiet;
83b24437
RA
1011 }
1012 }
1013 }
1014 close F;
324a8bd0 1015
65648283 1016 if (defined $cc_cmd && !$suppress_cc{'cccmd'}) {
324a8bd0
JP
1017 open(F, "$cc_cmd $t |")
1018 or die "(cc-cmd) Could not execute '$cc_cmd'";
1019 while(<F>) {
1020 my $c = $_;
1021 $c =~ s/^\s*//g;
1022 $c =~ s/\n$//g;
620bb245 1023 next if ($c eq $sender and $suppress_from);
324a8bd0
JP
1024 push @cc, $c;
1025 printf("(cc-cmd) Adding cc: %s from: '%s'\n",
1026 $c, $cc_cmd) unless $quiet;
1027 }
1028 close F
1029 or die "(cc-cmd) failed to close pipe to '$cc_cmd'";
1030 }
1031
94638f89
UKK
1032 if (defined $author) {
1033 $message = "From: $author\n\n$message";
8291db6f
JK
1034 if (defined $author_encoding) {
1035 if ($has_content_type) {
1036 if ($body_encoding eq $author_encoding) {
1037 # ok, we already have the right encoding
1038 }
1039 else {
1040 # uh oh, we should re-encode
1041 }
1042 }
1043 else {
1044 push @xh,
1045 'MIME-Version: 1.0',
8641ee3d
JK
1046 "Content-Type: text/plain; charset=$author_encoding",
1047 'Content-Transfer-Encoding: 8bit';
8291db6f
JK
1048 }
1049 }
8a8e6235 1050 }
83b24437 1051
83b24437
RA
1052 send_message();
1053
1054 # set up for the next message
bc108f63 1055 if ($chain_reply_to || !defined $reply_to || length($reply_to) == 0) {
78488b2c 1056 $reply_to = $message_id;
7ccf7927 1057 if (length $references > 0) {
a925b89c 1058 $references .= "\n $message_id";
7ccf7927
RA
1059 } else {
1060 $references = "$message_id";
1061 }
78488b2c 1062 }
4f3d3703 1063 $message_id = undef;
83b24437 1064}
e205735d 1065
1f038a0c
RA
1066if ($compose) {
1067 cleanup_compose_files();
1068}
1069
1070sub cleanup_compose_files() {
1071 unlink($compose_filename, $compose_filename . ".final");
1072
1073}
1074
4bc87a28 1075$smtp->quit if $smtp;
e205735d
RA
1076
1077sub unique_email_list(@) {
1078 my %seen;
1079 my @emails;
1080
1081 foreach my $entry (@_) {
db3106b2
EW
1082 if (my $clean = extract_valid_address($entry)) {
1083 $seen{$clean} ||= 0;
1084 next if $seen{$clean}++;
1085 push @emails, $entry;
1086 } else {
1087 print STDERR "W: unable to extract a valid address",
1088 " from: $entry\n";
1089 }
e205735d
RA
1090 }
1091 return @emails;
1092}
747bbff9
JK
1093
1094sub validate_patch {
1095 my $fn = shift;
1096 open(my $fh, '<', $fn)
1097 or die "unable to open $fn: $!\n";
1098 while (my $line = <$fh>) {
1099 if (length($line) > 998) {
1100 return "$.: patch contains a line longer than 998 characters";
1101 }
1102 }
1103 return undef;
1104}
0706bd19
JK
1105
1106sub file_has_nonascii {
1107 my $fn = shift;
1108 open(my $fh, '<', $fn)
1109 or die "unable to open $fn: $!\n";
1110 while (my $line = <$fh>) {
1111 return 1 if $line =~ /[^[:ascii:]]/;
1112 }
1113 return 0;
1114}