symbolic-ref: allow refs/<whatever> in HEAD
[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;
5df9fcf6
PH
26use File::Temp qw/ tempdir /;
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;
caf0c3d6 159my $compose_filename = $repo->repo_path() . "/.gitsendemail.msg.$$";
5483c71d 160
8fd5bb7f
PH
161# Handle interactive edition of files.
162my $multiedit;
163my $editor = $ENV{GIT_EDITOR} || Git::config(@repo, "core.editor") || $ENV{VISUAL} || $ENV{EDITOR} || "vi";
164sub do_edit {
165 if (defined($multiedit) && !$multiedit) {
beece9da
PH
166 map {
167 system('sh', '-c', $editor.' "$@"', $editor, $_);
168 if (($? & 127) || ($? >> 8)) {
169 die("the editor exited uncleanly, aborting everything");
170 }
171 } @_;
8fd5bb7f
PH
172 } else {
173 system('sh', '-c', $editor.' "$@"', $editor, @_);
beece9da
PH
174 if (($? & 127) || ($? >> 8)) {
175 die("the editor exited uncleanly, aborting everything");
176 }
8fd5bb7f
PH
177 }
178}
5483c71d
AR
179
180# Variables with corresponding config settings
ddc3d4fe 181my ($thread, $chain_reply_to, $suppress_from, $signed_off_by_cc, $cc_cmd);
f6bebd12 182my ($smtp_server, $smtp_server_port, $smtp_authuser, $smtp_encryption);
44b2476a 183my ($identity, $aliasfiletype, @alias_files, @smtp_host_parts);
dbf5e1e9 184my ($validate);
65648283 185my (@suppress_cc);
5483c71d 186
34cc60ce 187my %config_bool_settings = (
5483c71d
AR
188 "thread" => [\$thread, 1],
189 "chainreplyto" => [\$chain_reply_to, 1],
65648283 190 "suppressfrom" => [\$suppress_from, undef],
ddc3d4fe
MW
191 "signedoffbycc" => [\$signed_off_by_cc, undef],
192 "signedoffcc" => [\$signed_off_by_cc, undef], # Deprecated
dbf5e1e9 193 "validate" => [\$validate, 1],
e46f7a0e
AR
194);
195
34cc60ce
DS
196my %config_settings = (
197 "smtpserver" => \$smtp_server,
44b2476a 198 "smtpserverport" => \$smtp_server_port,
34cc60ce
DS
199 "smtpuser" => \$smtp_authuser,
200 "smtppass" => \$smtp_authpass,
2db9b49c 201 "to" => \@to,
5f8b9fcd 202 "cc" => \@initial_cc,
34cc60ce
DS
203 "cccmd" => \$cc_cmd,
204 "aliasfiletype" => \$aliasfiletype,
205 "bcc" => \@bcclist,
206 "aliasesfile" => \@alias_files,
65648283 207 "suppresscc" => \@suppress_cc,
9f7820ae 208 "envelopesender" => \$envelope_sender,
8fd5bb7f 209 "multiedit" => \$multiedit,
34cc60ce 210);
4a62d3f5 211
87429976
MW
212# Handle Uncouth Termination
213sub signal_handler {
214
215 # Make text normal
216 print color("reset"), "\n";
217
218 # SMTP password masked
219 system "stty echo";
220
221 # tmp files from --compose
222 if (-e $compose_filename) {
223 print "'$compose_filename' contains an intermediate version of the email you were composing.\n";
224 }
225 if (-e ($compose_filename . ".final")) {
226 print "'$compose_filename.final' contains the composed email.\n"
227 }
228
229 exit;
230};
231
232$SIG{TERM} = \&signal_handler;
233$SIG{INT} = \&signal_handler;
234
83b24437
RA
235# Begin by accumulating all the variables (defined above), that we will end up
236# needing, first, from the command line:
237
94638f89 238my $rc = GetOptions("sender|from=s" => \$sender,
83b24437
RA
239 "in-reply-to=s" => \$initial_reply_to,
240 "subject=s" => \$initial_subject,
241 "to=s" => \@to,
da140f8b 242 "cc=s" => \@initial_cc,
58063245 243 "bcc=s" => \@bcclist,
78488b2c 244 "chain-reply-to!" => \$chain_reply_to,
3342d850 245 "smtp-server=s" => \$smtp_server,
44b2476a 246 "smtp-server-port=s" => \$smtp_server_port,
34cc60ce 247 "smtp-user=s" => \$smtp_authuser,
2363d746 248 "smtp-pass:s" => \$smtp_authpass,
f6bebd12
TR
249 "smtp-ssl" => sub { $smtp_encryption = 'ssl' },
250 "smtp-encryption=s" => \$smtp_encryption,
34cc60ce 251 "identity=s" => \$identity,
8fd5bb7f 252 "annotate" => \$annotate,
1f038a0c 253 "compose" => \$compose,
30d08b34 254 "quiet" => \$quiet,
324a8bd0 255 "cc-cmd=s" => \$cc_cmd,
5483c71d 256 "suppress-from!" => \$suppress_from,
65648283 257 "suppress-cc=s" => \@suppress_cc,
ddc3d4fe 258 "signed-off-cc|signed-off-by-cc!" => \$signed_off_by_cc,
6130259c 259 "dry-run" => \$dry_run,
f073a592 260 "envelope-sender=s" => \$envelope_sender,
5483c71d 261 "thread!" => \$thread,
dbf5e1e9 262 "validate!" => \$validate,
5df9fcf6 263 "format-patch!" => \$format_patch,
83b24437
RA
264 );
265
1b0baf14
MC
266unless ($rc) {
267 usage();
268}
269
34cc60ce
DS
270# Now, let's fill any that aren't set in with defaults:
271
272sub read_config {
273 my ($prefix) = @_;
274
275 foreach my $setting (keys %config_bool_settings) {
276 my $target = $config_bool_settings{$setting}->[0];
ad79c024 277 $$target = Git::config_bool(@repo, "$prefix.$setting") unless (defined $$target);
34cc60ce
DS
278 }
279
280 foreach my $setting (keys %config_settings) {
281 my $target = $config_settings{$setting};
282 if (ref($target) eq "ARRAY") {
283 unless (@$target) {
ad79c024 284 my @values = Git::config(@repo, "$prefix.$setting");
34cc60ce
DS
285 @$target = @values if (@values && defined $values[0]);
286 }
287 }
288 else {
ad79c024 289 $$target = Git::config(@repo, "$prefix.$setting") unless (defined $$target);
34cc60ce
DS
290 }
291 }
f6bebd12
TR
292
293 if (!defined $smtp_encryption) {
294 my $enc = Git::config(@repo, "$prefix.smtpencryption");
295 if (defined $enc) {
296 $smtp_encryption = $enc;
297 } elsif (Git::config_bool(@repo, "$prefix.smtpssl")) {
298 $smtp_encryption = 'ssl';
299 }
300 }
34cc60ce
DS
301}
302
303# read configuration from [sendemail "$identity"], fall back on [sendemail]
ad79c024 304$identity = Git::config(@repo, "sendemail.identity") unless (defined $identity);
34cc60ce
DS
305read_config("sendemail.$identity") if (defined $identity);
306read_config("sendemail");
307
308# fall back on builtin bool defaults
309foreach my $setting (values %config_bool_settings) {
310 ${$setting->[0]} = $setting->[1] unless (defined (${$setting->[0]}));
311}
312
fa835cd5
TR
313# 'default' encryption is none -- this only prevents a warning
314$smtp_encryption = '' unless (defined $smtp_encryption);
315
65648283
DB
316# Set CC suppressions
317my(%suppress_cc);
318if (@suppress_cc) {
319 foreach my $entry (@suppress_cc) {
320 die "Unknown --suppress-cc field: '$entry'\n"
321 unless $entry =~ /^(all|cccmd|cc|author|self|sob)$/;
322 $suppress_cc{$entry} = 1;
323 }
324}
325
326if ($suppress_cc{'all'}) {
327 foreach my $entry (qw (ccmd cc author self sob)) {
328 $suppress_cc{$entry} = 1;
329 }
330 delete $suppress_cc{'all'};
331}
332
333# If explicit old-style ones are specified, they trump --suppress-cc.
334$suppress_cc{'self'} = $suppress_from if defined $suppress_from;
ddc3d4fe 335$suppress_cc{'sob'} = !$signed_off_by_cc if defined $signed_off_by_cc;
65648283
DB
336
337# Debugging, print out the suppressions.
338if (0) {
339 print "suppressions:\n";
340 foreach my $entry (keys %suppress_cc) {
341 printf " %-5s -> $suppress_cc{$entry}\n", $entry;
342 }
343}
344
ad79c024
FL
345my ($repoauthor, $repocommitter);
346($repoauthor) = Git::ident_person(@repo, 'author');
347($repocommitter) = Git::ident_person(@repo, 'committer');
34cc60ce 348
79ee555b
EB
349# Verify the user input
350
351foreach my $entry (@to) {
352 die "Comma in --to entry: $entry'\n" unless $entry !~ m/,/;
353}
354
355foreach my $entry (@initial_cc) {
356 die "Comma in --cc entry: $entry'\n" unless $entry !~ m/,/;
357}
358
359foreach my $entry (@bcclist) {
360 die "Comma in --bcclist entry: $entry'\n" unless $entry !~ m/,/;
361}
362
0e73b3ee 363sub split_addrs {
2f0e7cbb 364 return quotewords('\s*,\s*', 1, @_);
0e73b3ee
WF
365}
366
994d6c66 367my %aliases;
994d6c66
EW
368my %parse_alias = (
369 # multiline formats can be supported in the future
370 mutt => sub { my $fh = shift; while (<$fh>) {
504ceab6 371 if (/^\s*alias\s+(\S+)\s+(.*)$/) {
994d6c66
EW
372 my ($alias, $addr) = ($1, $2);
373 $addr =~ s/#.*$//; # mutt allows # comments
374 # commas delimit multiple addresses
0e73b3ee 375 $aliases{$alias} = [ split_addrs($addr) ];
994d6c66
EW
376 }}},
377 mailrc => sub { my $fh = shift; while (<$fh>) {
378 if (/^alias\s+(\S+)\s+(.*)$/) {
379 # spaces delimit multiple addresses
380 $aliases{$1} = [ split(/\s+/, $2) ];
381 }}},
73c427eb
TP
382 pine => sub { my $fh = shift; my $f='\t[^\t]*';
383 for (my $x = ''; defined($x); $x = $_) {
384 chomp $x;
385 $x .= $1 while(defined($_ = <$fh>) && /^ +(.*)$/);
386 $x =~ /^(\S+)$f\t\(?([^\t]+?)\)?(:?$f){0,2}$/ or next;
0e73b3ee 387 $aliases{$1} = [ split_addrs($2) ];
73c427eb 388 }},
994d6c66
EW
389 gnus => sub { my $fh = shift; while (<$fh>) {
390 if (/\(define-mail-alias\s+"(\S+?)"\s+"(\S+?)"\)/) {
391 $aliases{$1} = [ $2 ];
392 }}}
393);
394
3cb8caf7 395if (@alias_files and $aliasfiletype and defined $parse_alias{$aliasfiletype}) {
994d6c66
EW
396 foreach my $file (@alias_files) {
397 open my $fh, '<', $file or die "opening $file: $!\n";
398 $parse_alias{$aliasfiletype}->($fh);
399 close $fh;
400 }
401}
402
94638f89 403($sender) = expand_aliases($sender) if defined $sender;
ae740a58 404
5df9fcf6
PH
405# returns 1 if the conflict must be solved using it as a format-patch argument
406sub check_file_rev_conflict($) {
407 my $f = shift;
408 try {
409 $repo->command('rev-parse', '--verify', '--quiet', $f);
410 if (defined($format_patch)) {
411 print "foo\n";
412 return $format_patch;
413 }
414 die(<<EOF);
415File '$f' exists but it could also be the range of commits
416to produce patches for. Please disambiguate by...
417
418 * Saying "./$f" if you mean a file; or
419 * Giving --format-patch option if you mean a range.
420EOF
421 } catch Git::Error::Command with {
422 return 0;
423 }
424}
425
aa54892f
JK
426# Now that all the defaults are set, process the rest of the command line
427# arguments and collect up the files that need to be processed.
5df9fcf6 428my @rev_list_opts;
69f4ce55 429while (defined(my $f = shift @ARGV)) {
5df9fcf6
PH
430 if ($f eq "--") {
431 push @rev_list_opts, "--", @ARGV;
432 @ARGV = ();
433 } elsif (-d $f and !check_file_rev_conflict($f)) {
aa54892f
JK
434 opendir(DH,$f)
435 or die "Failed to opendir $f: $!";
436
437 push @files, grep { -f $_ } map { +$f . "/" . $_ }
438 sort readdir(DH);
8c178687 439 closedir(DH);
5df9fcf6 440 } elsif ((-f $f or -p $f) and !check_file_rev_conflict($f)) {
aa54892f 441 push @files, $f;
aa54892f 442 } else {
5df9fcf6 443 push @rev_list_opts, $f;
aa54892f
JK
444 }
445}
446
5df9fcf6
PH
447if (@rev_list_opts) {
448 push @files, $repo->command('format-patch', '-o', tempdir(CLEANUP => 1), @rev_list_opts);
449}
450
dbf5e1e9 451if ($validate) {
c764a0c2 452 foreach my $f (@files) {
300913bd
KB
453 unless (-p $f) {
454 my $error = validate_patch($f);
455 $error and die "fatal: $f: $error\nwarning: no patches were sent\n";
456 }
c764a0c2 457 }
747bbff9
JK
458}
459
aa54892f
JK
460if (@files) {
461 unless ($quiet) {
462 print $_,"\n" for (@files);
463 }
464} else {
465 print STDERR "\nNo patch files specified!\n\n";
466 usage();
467}
468
beece9da
PH
469sub get_patch_subject($) {
470 my $fn = shift;
471 open (my $fh, '<', $fn);
472 while (my $line = <$fh>) {
473 next unless ($line =~ /^Subject: (.*)$/);
474 close $fh;
475 return "GIT: $1\n";
476 }
477 close $fh;
478 die "No subject line in $fn ?";
479}
480
481if ($compose) {
482 # Note that this does not need to be secure, but we will make a small
483 # effort to have it be unique
484 open(C,">",$compose_filename)
485 or die "Failed to open for writing $compose_filename: $!";
486
487
488 my $tpl_sender = $sender || $repoauthor || $repocommitter || '';
489 my $tpl_subject = $initial_subject || '';
490 my $tpl_reply_to = $initial_reply_to || '';
491
492 print C <<EOT;
493From $tpl_sender # This line is ignored.
494GIT: Lines beginning in "GIT: " will be removed.
495GIT: Consider including an overall diffstat or table of contents
496GIT: for the patch you are writing.
497GIT:
498GIT: Clear the body content if you don't wish to send a summary.
499From: $tpl_sender
500Subject: $tpl_subject
501In-Reply-To: $tpl_reply_to
502
503EOT
504 for my $f (@files) {
505 print C get_patch_subject($f);
506 }
507 close(C);
508
509 my $editor = $ENV{GIT_EDITOR} || Git::config(@repo, "core.editor") || $ENV{VISUAL} || $ENV{EDITOR} || "vi";
510
511 if ($annotate) {
512 do_edit($compose_filename, @files);
513 } else {
514 do_edit($compose_filename);
515 }
516
517 open(C2,">",$compose_filename . ".final")
518 or die "Failed to open $compose_filename.final : " . $!;
519
520 open(C,"<",$compose_filename)
521 or die "Failed to open $compose_filename : " . $!;
522
523 my $need_8bit_cte = file_has_nonascii($compose_filename);
524 my $in_body = 0;
525 my $summary_empty = 1;
526 while(<C>) {
527 next if m/^GIT: /;
528 if ($in_body) {
529 $summary_empty = 0 unless (/^\n$/);
530 } elsif (/^\n$/) {
531 $in_body = 1;
532 if ($need_8bit_cte) {
533 print C2 "MIME-Version: 1.0\n",
534 "Content-Type: text/plain; ",
535 "charset=utf-8\n",
536 "Content-Transfer-Encoding: 8bit\n";
537 }
538 } elsif (/^MIME-Version:/i) {
539 $need_8bit_cte = 0;
540 } elsif (/^Subject:\s*(.+)\s*$/i) {
541 $initial_subject = $1;
542 my $subject = $initial_subject;
543 $_ = "Subject: " .
544 ($subject =~ /[^[:ascii:]]/ ?
545 quote_rfc2047($subject) :
546 $subject) .
547 "\n";
548 } elsif (/^In-Reply-To:\s*(.+)\s*$/i) {
549 $initial_reply_to = $1;
550 next;
551 } elsif (/^From:\s*(.+)\s*$/i) {
552 $sender = $1;
553 next;
554 } elsif (/^(?:To|Cc|Bcc):/i) {
555 print "To/Cc/Bcc fields are not interpreted yet, they have been ignored\n";
556 next;
557 }
558 print C2 $_;
559 }
560 close(C);
561 close(C2);
562
563 if ($summary_empty) {
564 print "Summary email is empty, skipping it\n";
565 $compose = -1;
566 }
567} elsif ($annotate) {
568 do_edit(@files);
569}
570
1f038a0c 571my $prompting = 0;
94638f89 572if (!defined $sender) {
ad79c024 573 $sender = $repoauthor || $repocommitter || '';
8a7c56e1
MW
574
575 while (1) {
94638f89 576 $_ = $term->readline("Who should the emails appear to be from? [$sender] ");
8a7c56e1
MW
577 last if defined $_;
578 print "\n";
579 }
8037d1a3 580
94638f89
UKK
581 $sender = $_ if ($_);
582 print "Emails will be sent from: ", $sender, "\n";
1f038a0c 583 $prompting++;
83b24437
RA
584}
585
586if (!@to) {
8a7c56e1
MW
587
588
589 while (1) {
590 $_ = $term->readline("Who should the emails be sent to? ", "");
591 last if defined $_;
592 print "\n";
593 }
594
83b24437 595 my $to = $_;
0e73b3ee 596 push @to, split_addrs($to);
1f038a0c 597 $prompting++;
83b24437
RA
598}
599
994d6c66
EW
600sub expand_aliases {
601 my @cur = @_;
602 my @last;
603 do {
604 @last = @cur;
605 @cur = map { $aliases{$_} ? @{$aliases{$_}} : $_ } @last;
606 } while (join(',',@cur) ne join(',',@last));
607 return @cur;
608}
609
610@to = expand_aliases(@to);
5b56aaa2 611@to = (map { sanitize_address($_) } @to);
994d6c66 612@initial_cc = expand_aliases(@initial_cc);
58063245 613@bcclist = expand_aliases(@bcclist);
994d6c66 614
5483c71d 615if ($thread && !defined $initial_reply_to && $prompting) {
8a7c56e1
MW
616 while (1) {
617 $_= $term->readline("Message-ID to be used as In-Reply-To for the first email? ", $initial_reply_to);
618 last if defined $_;
619 print "\n";
620 }
8037d1a3 621
83b24437
RA
622 $initial_reply_to = $_;
623}
1ca3d6ed 624if (defined $initial_reply_to) {
0fb7fc75
JS
625 $initial_reply_to =~ s/^\s*<?//;
626 $initial_reply_to =~ s/>?\s*$//;
627 $initial_reply_to = "<$initial_reply_to>" if $initial_reply_to ne '';
ace9c2a9 628}
ace72086 629
34cc60ce 630if (!defined $smtp_server) {
aca7ad76
EW
631 foreach (qw( /usr/sbin/sendmail /usr/lib/sendmail )) {
632 if (-x $_) {
633 $smtp_server = $_;
634 last;
635 }
636 }
637 $smtp_server ||= 'localhost'; # could be 127.0.0.1, too... *shrug*
3342d850
RA
638}
639
1f038a0c 640if ($compose) {
8a7c56e1 641 while (1) {
1f038a0c 642 $_ = $term->readline("Send this email? (y|n) ");
8a7c56e1
MW
643 last if defined $_;
644 print "\n";
645 }
1f038a0c
RA
646
647 if (uc substr($_,0,1) ne 'Y') {
648 cleanup_compose_files();
649 exit(0);
650 }
651
beece9da
PH
652 if ($compose > 0) {
653 @files = ($compose_filename . ".final", @files);
654 }
1f038a0c
RA
655}
656
83b24437 657# Variables we set as part of the loop over files
af068d27 658our ($message_id, %mail, $subject, $reply_to, $references, $message);
83b24437 659
567ffeb7
EW
660sub extract_valid_address {
661 my $address = shift;
ad9c18f5 662 my $local_part_regexp = '[^<>"\s@]+';
09302e17 663 my $domain_regexp = '[^.<>"\s@]+(?:\.[^.<>"\s@]+)+';
db3106b2
EW
664
665 # check for a local address:
ad9c18f5 666 return $address if ($address =~ /^($local_part_regexp)$/);
db3106b2 667
155197e6 668 $address =~ s/^\s*<(.*)>\s*$/$1/;
567ffeb7 669 if ($have_email_valid) {
ad9c18f5 670 return scalar Email::Valid->address($address);
567ffeb7
EW
671 } else {
672 # less robust/correct than the monster regexp in Email::Valid,
673 # but still does a 99% job, and one less dependency
ad9c18f5 674 $address =~ /($local_part_regexp\@$domain_regexp)/;
e96fd305 675 return $1;
567ffeb7
EW
676 }
677}
83b24437
RA
678
679# Usually don't need to change anything below here.
680
681# we make a "fake" message id by taking the current number
682# of seconds since the beginning of Unix time and tacking on
683# a random number to the end, in case we are called quicker than
684# 1 second since the last time we were called.
8037d1a3
RA
685
686# We'll setup a template for the message id, using the "from" address:
8037d1a3 687
be510cfe 688my ($message_id_stamp, $message_id_serial);
83b24437
RA
689sub make_message_id
690{
be510cfe
JH
691 my $uniq;
692 if (!defined $message_id_stamp) {
693 $message_id_stamp = sprintf("%s-%s", time, $$);
694 $message_id_serial = 0;
695 }
696 $message_id_serial++;
697 $uniq = "$message_id_stamp-$message_id_serial";
698
aeb59328 699 my $du_part;
94638f89
UKK
700 for ($sender, $repocommitter, $repoauthor) {
701 $du_part = extract_valid_address(sanitize_address($_));
702 last if (defined $du_part and $du_part ne '');
aeb59328 703 }
94638f89 704 if (not defined $du_part or $du_part eq '') {
aeb59328
JH
705 use Sys::Hostname qw();
706 $du_part = 'user@' . Sys::Hostname::hostname();
707 }
be510cfe
JH
708 my $message_id_template = "<%s-git-send-email-%s>";
709 $message_id = sprintf($message_id_template, $uniq, $du_part);
8037d1a3 710 #print "new message id = $message_id\n"; # Was useful for debugging
83b24437
RA
711}
712
713
714
a5370b16 715$time = time - scalar $#files;
83b24437 716
374c5905
JR
717sub unquote_rfc2047 {
718 local ($_) = @_;
8291db6f
JK
719 my $encoding;
720 if (s/=\?([^?]+)\?q\?(.*)\?=/$2/g) {
721 $encoding = $1;
374c5905
JR
722 s/_/ /g;
723 s/=([0-9A-F]{2})/chr(hex($1))/eg;
724 }
8291db6f 725 return wantarray ? ($_, $encoding) : $_;
374c5905
JR
726}
727
d54eaaa2
JK
728sub quote_rfc2047 {
729 local $_ = shift;
730 my $encoding = shift || 'utf-8';
731 s/([^-a-zA-Z0-9!*+\/])/sprintf("=%02X", ord($1))/eg;
732 s/(.*)/=\?$encoding\?q\?$1\?=/;
733 return $_;
734}
735
5b56aaa2
UKK
736# use the simplest quoting being able to handle the recipient
737sub sanitize_address
732263d4
RJ
738{
739 my ($recipient) = @_;
5b56aaa2
UKK
740 my ($recipient_name, $recipient_addr) = ($recipient =~ /^(.*?)\s*(<.*)/);
741
742 if (not $recipient_name) {
743 return "$recipient";
744 }
745
746 # if recipient_name is already quoted, do nothing
747 if ($recipient_name =~ /^(".*"|=\?utf-8\?q\?.*\?=)$/) {
748 return $recipient;
749 }
750
751 # rfc2047 is needed if a non-ascii char is included
752 if ($recipient_name =~ /[^[:ascii:]]/) {
d54eaaa2 753 $recipient_name = quote_rfc2047($recipient_name);
732263d4 754 }
5b56aaa2
UKK
755
756 # double quotes are needed if specials or CTLs are included
757 elsif ($recipient_name =~ /[][()<>@,;:\\".\000-\037\177]/) {
18023c20 758 $recipient_name =~ s/(["\\\r])/\\$1/g;
5b56aaa2
UKK
759 $recipient_name = "\"$recipient_name\"";
760 }
761
762 return "$recipient_name $recipient_addr";
763
732263d4
RJ
764}
765
83b24437
RA
766sub send_message
767{
4bc87a28 768 my @recipients = unique_email_list(@to);
7ac17529
ABH
769 @cc = (grep { my $cc = extract_valid_address($_);
770 not grep { $cc eq $_ } @recipients
771 }
772 map { sanitize_address($_) }
773 @cc);
4bc87a28 774 my $to = join (",\n\t", @recipients);
58063245 775 @recipients = unique_email_list(@recipients,@cc,@bcclist);
c38f0247 776 @recipients = (map { extract_valid_address($_) } @recipients);
6bdca890 777 my $date = format_2822_time($time++);
e923effb
ML
778 my $gitversion = '@@GIT_VERSION@@';
779 if ($gitversion =~ m/..GIT_VERSION../) {
3cb8caf7 780 $gitversion = Git::version();
e923effb 781 }
4bc87a28 782
af068d27 783 my $cc = join(", ", unique_email_list(@cc));
f06a6a49
JH
784 my $ccline = "";
785 if ($cc ne '') {
786 $ccline = "\nCc: $cc";
787 }
94638f89 788 my $sanitized_sender = sanitize_address($sender);
4f3d3703 789 make_message_id() unless defined($message_id);
aeb59328 790
94638f89 791 my $header = "From: $sanitized_sender
f06a6a49 792To: $to${ccline}
4bc87a28 793Subject: $subject
4bc87a28
EW
794Date: $date
795Message-Id: $message_id
e923effb 796X-Mailer: git-send-email $gitversion
4bc87a28 797";
5483c71d 798 if ($thread && $reply_to) {
7ccf7927
RA
799
800 $header .= "In-Reply-To: $reply_to\n";
801 $header .= "References: $references\n";
802 }
ce91c2f6
JH
803 if (@xh) {
804 $header .= join("\n", @xh) . "\n";
805 }
4bc87a28 806
c38f0247 807 my @sendmail_parameters = ('-i', @recipients);
94638f89 808 my $raw_from = $sanitized_sender;
f073a592
RJ
809 $raw_from = $envelope_sender if (defined $envelope_sender);
810 $raw_from = extract_valid_address($raw_from);
811 unshift (@sendmail_parameters,
812 '-f', $raw_from) if(defined $envelope_sender);
8e3d436b 813
6130259c
MW
814 if ($dry_run) {
815 # We don't want to send the email.
816 } elsif ($smtp_server =~ m#^/#) {
aca7ad76
EW
817 my $pid = open my $sm, '|-';
818 defined $pid or die $!;
819 if (!$pid) {
8e3d436b 820 exec($smtp_server, @sendmail_parameters) or die $!;
aca7ad76
EW
821 }
822 print $sm "$header\n$message";
823 close $sm or die $?;
824 } else {
44b2476a
JH
825
826 if (!defined $smtp_server) {
827 die "The required SMTP server is not properly defined."
828 }
829
f6bebd12 830 if ($smtp_encryption eq 'ssl') {
44b2476a 831 $smtp_server_port ||= 465; # ssmtp
34cc60ce 832 require Net::SMTP::SSL;
44b2476a 833 $smtp ||= Net::SMTP::SSL->new($smtp_server, Port => $smtp_server_port);
34cc60ce
DS
834 }
835 else {
836 require Net::SMTP;
44b2476a
JH
837 $smtp ||= Net::SMTP->new((defined $smtp_server_port)
838 ? "$smtp_server:$smtp_server_port"
839 : $smtp_server);
f6bebd12
TR
840 if ($smtp_encryption eq 'tls') {
841 require Net::SMTP::SSL;
842 $smtp->command('STARTTLS');
843 $smtp->response();
844 if ($smtp->code == 220) {
845 $smtp = Net::SMTP::SSL->start_SSL($smtp)
846 or die "STARTTLS failed! ".$smtp->message;
6cbf8b00 847 $smtp_encryption = '';
9d1ccf5e
RS
848 # Send EHLO again to receive fresh
849 # supported commands
850 $smtp->hello();
f6bebd12
TR
851 } else {
852 die "Server does not support STARTTLS! ".$smtp->message;
853 }
854 }
44b2476a
JH
855 }
856
857 if (!$smtp) {
858 die "Unable to initialize SMTP properly. Is there something wrong with your config?";
859 }
860
2363d746
MW
861 if (defined $smtp_authuser) {
862
863 if (!defined $smtp_authpass) {
864
865 system "stty -echo";
866
867 do {
868 print "Password: ";
869 $_ = <STDIN>;
870 print "\n";
871 } while (!defined $_);
872
873 chomp($smtp_authpass = $_);
874
875 system "stty echo";
876 }
877
5f5b6118 878 $auth ||= $smtp->auth( $smtp_authuser, $smtp_authpass ) or die $smtp->message;
34cc60ce 879 }
2363d746 880
2b69bfc2 881 $smtp->mail( $raw_from ) or die $smtp->message;
aca7ad76
EW
882 $smtp->to( @recipients ) or die $smtp->message;
883 $smtp->data or die $smtp->message;
884 $smtp->datasend("$header\n$message") or die $smtp->message;
885 $smtp->dataend() or die $smtp->message;
886 $smtp->ok or die "Failed to send $subject\n".$smtp->message;
887 }
2718435b 888 if ($quiet) {
71c7da94 889 printf (($dry_run ? "Dry-" : "")."Sent %s\n", $subject);
2718435b 890 } else {
b7f30e0a 891 print (($dry_run ? "Dry-" : "")."OK. Log says:\n");
2b69bfc2 892 if ($smtp_server !~ m#^/#) {
aca7ad76 893 print "Server: $smtp_server\n";
2b69bfc2
RJ
894 print "MAIL FROM:<$raw_from>\n";
895 print "RCPT TO:".join(',',(map { "<$_>" } @recipients))."\n";
aca7ad76 896 } else {
8e3d436b 897 print "Sendmail: $smtp_server ".join(' ',@sendmail_parameters)."\n";
aca7ad76 898 }
b7f30e0a 899 print $header, "\n";
aca7ad76
EW
900 if ($smtp) {
901 print "Result: ", $smtp->code, ' ',
902 ($smtp->message =~ /\n([^\n]+\n)$/s), "\n";
903 } else {
904 print "Result: OK\n";
905 }
30d08b34 906 }
83b24437
RA
907}
908
83b24437 909$reply_to = $initial_reply_to;
2186d566 910$references = $initial_reply_to || '';
83b24437
RA
911$subject = $initial_subject;
912
913foreach my $t (@files) {
83b24437
RA
914 open(F,"<",$t) or die "can't open file $t";
915
94638f89 916 my $author = undef;
8291db6f
JK
917 my $author_encoding;
918 my $has_content_type;
919 my $body_encoding;
da140f8b 920 @cc = @initial_cc;
ce91c2f6 921 @xh = ();
e6b0964a 922 my $input_format = undef;
83b24437
RA
923 my $header_done = 0;
924 $message = "";
925 while(<F>) {
926 if (!$header_done) {
e6b0964a
JH
927 if (/^From /) {
928 $input_format = 'mbox';
929 next;
930 }
83b24437 931 chomp;
e6b0964a
JH
932 if (!defined $input_format && /^[-A-Za-z]+:\s/) {
933 $input_format = 'mbox';
934 }
83b24437 935
e6b0964a 936 if (defined $input_format && $input_format eq 'mbox') {
83b24437
RA
937 if (/^Subject:\s+(.*)$/) {
938 $subject = $1;
939
940 } elsif (/^(Cc|From):\s+(.*)$/) {
94638f89 941 if (unquote_rfc2047($2) eq $sender) {
65648283 942 next if ($suppress_cc{'self'});
8a8e6235 943 }
68d42c41 944 elsif ($1 eq 'From') {
8291db6f
JK
945 ($author, $author_encoding)
946 = unquote_rfc2047($2);
65648283
DB
947 next if ($suppress_cc{'author'});
948 } else {
949 next if ($suppress_cc{'cc'});
8a8e6235 950 }
83b24437 951 printf("(mbox) Adding cc: %s from line '%s'\n",
2718435b 952 $2, $_) unless $quiet;
83b24437
RA
953 push @cc, $2;
954 }
8291db6f
JK
955 elsif (/^Content-type:/i) {
956 $has_content_type = 1;
8892048d 957 if (/charset="?([^ "]+)/) {
8291db6f
JK
958 $body_encoding = $1;
959 }
960 push @xh, $_;
961 }
4f3d3703
JK
962 elsif (/^Message-Id: (.*)/i) {
963 $message_id = $1;
964 }
1d6a003a 965 elsif (!/^Date:\s/ && /^[-A-Za-z]+:\s+\S/) {
ce91c2f6
JH
966 push @xh, $_;
967 }
83b24437
RA
968
969 } else {
970 # In the traditional
971 # "send lots of email" format,
972 # line 1 = cc
973 # line 2 = subject
974 # So let's support that, too.
e6b0964a 975 $input_format = 'lots';
65648283 976 if (@cc == 0 && !$suppress_cc{'cc'}) {
83b24437 977 printf("(non-mbox) Adding cc: %s from line '%s'\n",
2718435b 978 $_, $_) unless $quiet;
83b24437
RA
979
980 push @cc, $_;
981
982 } elsif (!defined $subject) {
983 $subject = $_;
984 }
985 }
5825e5b2 986
83b24437
RA
987 # A whitespace line will terminate the headers
988 if (m/^\s*$/) {
989 $header_done = 1;
990 }
991 } else {
992 $message .= $_;
65648283
DB
993 if (/^(Signed-off-by|Cc): (.*)$/i) {
994 next if ($suppress_cc{'sob'});
ba51795c 995 chomp;
abec100c 996 my $c = $2;
83b24437 997 chomp $c;
65648283 998 next if ($c eq $sender and $suppress_cc{'self'});
83b24437
RA
999 push @cc, $c;
1000 printf("(sob) Adding cc: %s from line '%s'\n",
2718435b 1001 $c, $_) unless $quiet;
83b24437
RA
1002 }
1003 }
1004 }
1005 close F;
324a8bd0 1006
65648283 1007 if (defined $cc_cmd && !$suppress_cc{'cccmd'}) {
324a8bd0
JP
1008 open(F, "$cc_cmd $t |")
1009 or die "(cc-cmd) Could not execute '$cc_cmd'";
1010 while(<F>) {
1011 my $c = $_;
1012 $c =~ s/^\s*//g;
1013 $c =~ s/\n$//g;
620bb245 1014 next if ($c eq $sender and $suppress_from);
324a8bd0
JP
1015 push @cc, $c;
1016 printf("(cc-cmd) Adding cc: %s from: '%s'\n",
1017 $c, $cc_cmd) unless $quiet;
1018 }
1019 close F
1020 or die "(cc-cmd) failed to close pipe to '$cc_cmd'";
1021 }
1022
94638f89
UKK
1023 if (defined $author) {
1024 $message = "From: $author\n\n$message";
8291db6f
JK
1025 if (defined $author_encoding) {
1026 if ($has_content_type) {
1027 if ($body_encoding eq $author_encoding) {
1028 # ok, we already have the right encoding
1029 }
1030 else {
1031 # uh oh, we should re-encode
1032 }
1033 }
1034 else {
1035 push @xh,
1036 'MIME-Version: 1.0',
8641ee3d
JK
1037 "Content-Type: text/plain; charset=$author_encoding",
1038 'Content-Transfer-Encoding: 8bit';
8291db6f
JK
1039 }
1040 }
8a8e6235 1041 }
83b24437 1042
83b24437
RA
1043 send_message();
1044
1045 # set up for the next message
bc108f63 1046 if ($chain_reply_to || !defined $reply_to || length($reply_to) == 0) {
78488b2c 1047 $reply_to = $message_id;
7ccf7927 1048 if (length $references > 0) {
a925b89c 1049 $references .= "\n $message_id";
7ccf7927
RA
1050 } else {
1051 $references = "$message_id";
1052 }
78488b2c 1053 }
4f3d3703 1054 $message_id = undef;
83b24437 1055}
e205735d 1056
1f038a0c
RA
1057if ($compose) {
1058 cleanup_compose_files();
1059}
1060
1061sub cleanup_compose_files() {
1062 unlink($compose_filename, $compose_filename . ".final");
1063
1064}
1065
4bc87a28 1066$smtp->quit if $smtp;
e205735d
RA
1067
1068sub unique_email_list(@) {
1069 my %seen;
1070 my @emails;
1071
1072 foreach my $entry (@_) {
db3106b2
EW
1073 if (my $clean = extract_valid_address($entry)) {
1074 $seen{$clean} ||= 0;
1075 next if $seen{$clean}++;
1076 push @emails, $entry;
1077 } else {
1078 print STDERR "W: unable to extract a valid address",
1079 " from: $entry\n";
1080 }
e205735d
RA
1081 }
1082 return @emails;
1083}
747bbff9
JK
1084
1085sub validate_patch {
1086 my $fn = shift;
1087 open(my $fh, '<', $fn)
1088 or die "unable to open $fn: $!\n";
1089 while (my $line = <$fh>) {
1090 if (length($line) > 998) {
1091 return "$.: patch contains a line longer than 998 characters";
1092 }
1093 }
1094 return undef;
1095}
0706bd19
JK
1096
1097sub file_has_nonascii {
1098 my $fn = shift;
1099 open(my $fh, '<', $fn)
1100 or die "unable to open $fn: $!\n";
1101 while (my $line = <$fh>) {
1102 return 1 if $line =~ /[^[:ascii:]]/;
1103 }
1104 return 0;
1105}