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Diffstat (limited to 'git-send-email.perl')
| -rwxr-xr-x | git-send-email.perl | 536 |
1 files changed, 536 insertions, 0 deletions
diff --git a/git-send-email.perl b/git-send-email.perl new file mode 100755 index 0000000..7b1cca7 --- /dev/null +++ b/git-send-email.perl @@ -0,0 +1,536 @@ +#!/usr/bin/perl -w +# +# Copyright 2002,2005 Greg Kroah-Hartman <greg@kroah.com> +# Copyright 2005 Ryan Anderson <ryan@michonline.com> +# +# GPL v2 (See COPYING) +# +# Ported to support git "mbox" format files by Ryan Anderson <ryan@michonline.com> +# +# Sends a collection of emails to the given email addresses, disturbingly fast. +# +# Supports two formats: +# 1. mbox format files (ignoring most headers and MIME formatting - this is designed for sending patches) +# 2. The original format support by Greg's script: +# first line of the message is who to CC, +# and second line is the subject of the message. +# + +use strict; +use warnings; +use Term::ReadLine; +use Getopt::Long; +use Data::Dumper; + +# most mail servers generate the Date: header, but not all... +$ENV{LC_ALL} = 'C'; +use POSIX qw/strftime/; + +my $have_email_valid = eval { require Email::Valid; 1 }; +my $smtp; + +sub unique_email_list(@); +sub cleanup_compose_files(); + +# Constants (essentially) +my $compose_filename = ".msg.$$"; + +# Variables we fill in automatically, or via prompting: +my (@to,@cc,@initial_cc,@bcclist, + $initial_reply_to,$initial_subject,@files,$from,$compose,$time); + +# Behavior modification variables +my ($chain_reply_to, $quiet, $suppress_from, $no_signed_off_cc) = (1, 0, 0, 0); +my $smtp_server; + +# Example reply to: +#$initial_reply_to = ''; #<20050203173208.GA23964@foobar.com>'; + +my $term = new Term::ReadLine 'git-send-email'; + +# Begin by accumulating all the variables (defined above), that we will end up +# needing, first, from the command line: + +my $rc = GetOptions("from=s" => \$from, + "in-reply-to=s" => \$initial_reply_to, + "subject=s" => \$initial_subject, + "to=s" => \@to, + "cc=s" => \@initial_cc, + "bcc=s" => \@bcclist, + "chain-reply-to!" => \$chain_reply_to, + "smtp-server=s" => \$smtp_server, + "compose" => \$compose, + "quiet" => \$quiet, + "suppress-from" => \$suppress_from, + "no-signed-off-cc|no-signed-off-by-cc" => \$no_signed_off_cc, + ); + +# Now, let's fill any that aren't set in with defaults: + +sub gitvar { + my ($var) = @_; + my $fh; + my $pid = open($fh, '-|'); + die "$!" unless defined $pid; + if (!$pid) { + exec('git-var', $var) or die "$!"; + } + my ($val) = <$fh>; + close $fh or die "$!"; + chomp($val); + return $val; +} + +sub gitvar_ident { + my ($name) = @_; + my $val = gitvar($name); + my @field = split(/\s+/, $val); + return join(' ', @field[0...(@field-3)]); +} + +my ($author) = gitvar_ident('GIT_AUTHOR_IDENT'); +my ($committer) = gitvar_ident('GIT_COMMITTER_IDENT'); + +my %aliases; +chomp(my @alias_files = `git-repo-config --get-all sendemail.aliasesfile`); +chomp(my $aliasfiletype = `git-repo-config sendemail.aliasfiletype`); +my %parse_alias = ( + # multiline formats can be supported in the future + mutt => sub { my $fh = shift; while (<$fh>) { + if (/^alias\s+(\S+)\s+(.*)$/) { + my ($alias, $addr) = ($1, $2); + $addr =~ s/#.*$//; # mutt allows # comments + # commas delimit multiple addresses + $aliases{$alias} = [ split(/\s*,\s*/, $addr) ]; + }}}, + mailrc => sub { my $fh = shift; while (<$fh>) { + if (/^alias\s+(\S+)\s+(.*)$/) { + # spaces delimit multiple addresses + $aliases{$1} = [ split(/\s+/, $2) ]; + }}}, + pine => sub { my $fh = shift; while (<$fh>) { + if (/^(\S+)\s+(.*)$/) { + $aliases{$1} = [ split(/\s*,\s*/, $2) ]; + }}}, + gnus => sub { my $fh = shift; while (<$fh>) { + if (/\(define-mail-alias\s+"(\S+?)"\s+"(\S+?)"\)/) { + $aliases{$1} = [ $2 ]; + }}} +); + +if (@alias_files && defined $parse_alias{$aliasfiletype}) { + foreach my $file (@alias_files) { + open my $fh, '<', $file or die "opening $file: $!\n"; + $parse_alias{$aliasfiletype}->($fh); + close $fh; + } +} + +my $prompting = 0; +if (!defined $from) { + $from = $author || $committer; + do { + $_ = $term->readline("Who should the emails appear to be from? ", + $from); + } while (!defined $_); + + $from = $_; + print "Emails will be sent from: ", $from, "\n"; + $prompting++; +} + +if (!@to) { + do { + $_ = $term->readline("Who should the emails be sent to? ", + ""); + } while (!defined $_); + my $to = $_; + push @to, split /,/, $to; + $prompting++; +} + +sub expand_aliases { + my @cur = @_; + my @last; + do { + @last = @cur; + @cur = map { $aliases{$_} ? @{$aliases{$_}} : $_ } @last; + } while (join(',',@cur) ne join(',',@last)); + return @cur; +} + +@to = expand_aliases(@to); +@initial_cc = expand_aliases(@initial_cc); +@bcclist = expand_aliases(@bcclist); + +if (!defined $initial_subject && $compose) { + do { + $_ = $term->readline("What subject should the emails start with? ", + $initial_subject); + } while (!defined $_); + $initial_subject = $_; + $prompting++; +} + +if (!defined $initial_reply_to && $prompting) { + do { + $_= $term->readline("Message-ID to be used as In-Reply-To for the first email? ", + $initial_reply_to); + } while (!defined $_); + + $initial_reply_to = $_; + $initial_reply_to =~ s/(^\s+|\s+$)//g; +} + +if (!$smtp_server) { + foreach (qw( /usr/sbin/sendmail /usr/lib/sendmail )) { + if (-x $_) { + $smtp_server = $_; + last; + } + } + $smtp_server ||= 'localhost'; # could be 127.0.0.1, too... *shrug* +} + +if ($compose) { + # Note that this does not need to be secure, but we will make a small + # effort to have it be unique + open(C,">",$compose_filename) + or die "Failed to open for writing $compose_filename: $!"; + print C "From $from # This line is ignored.\n"; + printf C "Subject: %s\n\n", $initial_subject; + printf C <<EOT; +GIT: Please enter your email below. +GIT: Lines beginning in "GIT: " will be removed. +GIT: Consider including an overall diffstat or table of contents +GIT: for the patch you are writing. + +EOT + close(C); + + my $editor = $ENV{EDITOR}; + $editor = 'vi' unless defined $editor; + system($editor, $compose_filename); + + open(C2,">",$compose_filename . ".final") + or die "Failed to open $compose_filename.final : " . $!; + + open(C,"<",$compose_filename) + or die "Failed to open $compose_filename : " . $!; + + while(<C>) { + next if m/^GIT: /; + print C2 $_; + } + close(C); + close(C2); + + do { + $_ = $term->readline("Send this email? (y|n) "); + } while (!defined $_); + + if (uc substr($_,0,1) ne 'Y') { + cleanup_compose_files(); + exit(0); + } + + @files = ($compose_filename . ".final"); +} + + +# Now that all the defaults are set, process the rest of the command line +# arguments and collect up the files that need to be processed. +for my $f (@ARGV) { + if (-d $f) { + opendir(DH,$f) + or die "Failed to opendir $f: $!"; + + push @files, grep { -f $_ } map { +$f . "/" . $_ } + sort readdir(DH); + + } elsif (-f $f) { + push @files, $f; + + } else { + print STDERR "Skipping $f - not found.\n"; + } +} + +if (@files) { + unless ($quiet) { + print $_,"\n" for (@files); + } +} else { + print <<EOT; +git-send-email [options] <file | directory> [... file | directory ] +Options: + --from Specify the "From:" line of the email to be sent. + + --to Specify the primary "To:" line of the email. + + --cc Specify an initial "Cc:" list for the entire series + of emails. + + --bcc Specify a list of email addresses that should be Bcc: + on all the emails. + + --compose Use \$EDITOR to edit an introductory message for the + patch series. + + --subject Specify the initial "Subject:" line. + Only necessary if --compose is also set. If --compose + is not set, this will be prompted for. + + --in-reply-to Specify the first "In-Reply-To:" header line. + Only used if --compose is also set. If --compose is not + set, this will be prompted for. + + --chain-reply-to If set, the replies will all be to the previous + email sent, rather than to the first email sent. + Defaults to on. + + --no-signed-off-cc Suppress the automatic addition of email addresses + that appear in a Signed-off-by: line, to the cc: list. + Note: Using this option is not recommended. + + --smtp-server If set, specifies the outgoing SMTP server to use. + Defaults to localhost. + + --suppress-from Supress sending emails to yourself if your address + appears in a From: line. + + --quiet Make git-send-email less verbose. One line per email should be + all that is output. + +Error: Please specify a file or a directory on the command line. +EOT + exit(1); +} + +# Variables we set as part of the loop over files +our ($message_id, $cc, %mail, $subject, $reply_to, $references, $message); + +sub extract_valid_address { + my $address = shift; + my $local_part_regexp = '[^<>"\s@]+'; + my $domain_regexp = '[^.<>"\s@]+(?:\.[^.<>"\s@]+)+'; + + # check for a local address: + return $address if ($address =~ /^($local_part_regexp)$/); + + if ($have_email_valid) { + return scalar Email::Valid->address($address); + } else { + # less robust/correct than the monster regexp in Email::Valid, + # but still does a 99% job, and one less dependency + $address =~ /($local_part_regexp\@$domain_regexp)/; + return $1; + } +} + +# Usually don't need to change anything below here. + +# we make a "fake" message id by taking the current number +# of seconds since the beginning of Unix time and tacking on +# a random number to the end, in case we are called quicker than +# 1 second since the last time we were called. + +# We'll setup a template for the message id, using the "from" address: +my $message_id_from = extract_valid_address($from); +my $message_id_template = "<%s-git-send-email-$message_id_from>"; + +sub make_message_id +{ + my $date = time; + my $pseudo_rand = int (rand(4200)); + $message_id = sprintf $message_id_template, "$date$pseudo_rand"; + #print "new message id = $message_id\n"; # Was useful for debugging +} + + + +$cc = ""; +$time = time - scalar $#files; + +sub send_message +{ + my @recipients = unique_email_list(@to); + my $to = join (",\n\t", @recipients); + @recipients = unique_email_list(@recipients,@cc,@bcclist); + my $date = strftime('%a, %d %b %Y %H:%M:%S %z', localtime($time++)); + my $gitversion = '@@GIT_VERSION@@'; + if ($gitversion =~ m/..GIT_VERSION../) { + $gitversion = `git --version`; + chomp $gitversion; + # keep only what's after the last space + $gitversion =~ s/^.* //; + } + + my $header = "From: $from +To: $to +Cc: $cc +Subject: $subject +Reply-To: $from +Date: $date +Message-Id: $message_id +X-Mailer: git-send-email $gitversion +"; + if ($reply_to) { + + $header .= "In-Reply-To: $reply_to\n"; + $header .= "References: $references\n"; + } + + if ($smtp_server =~ m#^/#) { + my $pid = open my $sm, '|-'; + defined $pid or die $!; + if (!$pid) { + exec($smtp_server,'-i', + map { extract_valid_address($_) } + @recipients) or die $!; + } + print $sm "$header\n$message"; + close $sm or die $?; + } else { + require Net::SMTP; + $smtp ||= Net::SMTP->new( $smtp_server ); + $smtp->mail( $from ) or die $smtp->message; + $smtp->to( @recipients ) or die $smtp->message; + $smtp->data or die $smtp->message; + $smtp->datasend("$header\n$message") or die $smtp->message; + $smtp->dataend() or die $smtp->message; + $smtp->ok or die "Failed to send $subject\n".$smtp->message; + } + if ($quiet) { + printf "Sent %s\n", $subject; + } else { + print "OK. Log says:\nDate: $date\n"; + if ($smtp) { + print "Server: $smtp_server\n"; + } else { + print "Sendmail: $smtp_server\n"; + } + print "From: $from\nSubject: $subject\nCc: $cc\nTo: $to\n\n"; + if ($smtp) { + print "Result: ", $smtp->code, ' ', + ($smtp->message =~ /\n([^\n]+\n)$/s), "\n"; + } else { + print "Result: OK\n"; + } + } +} + +$reply_to = $initial_reply_to; +$references = $initial_reply_to || ''; +make_message_id(); +$subject = $initial_subject; + +foreach my $t (@files) { + open(F,"<",$t) or die "can't open file $t"; + + my $author_not_sender = undef; + @cc = @initial_cc; + my $found_mbox = 0; + my $header_done = 0; + $message = ""; + while(<F>) { + if (!$header_done) { + $found_mbox = 1, next if (/^From /); + chomp; + + if ($found_mbox) { + if (/^Subject:\s+(.*)$/) { + $subject = $1; + + } elsif (/^(Cc|From):\s+(.*)$/) { + if ($2 eq $from) { + next if ($suppress_from); + } + else { + $author_not_sender = $2; + } + printf("(mbox) Adding cc: %s from line '%s'\n", + $2, $_) unless $quiet; + push @cc, $2; + } + + } else { + # In the traditional + # "send lots of email" format, + # line 1 = cc + # line 2 = subject + # So let's support that, too. + if (@cc == 0) { + printf("(non-mbox) Adding cc: %s from line '%s'\n", + $_, $_) unless $quiet; + + push @cc, $_; + + } elsif (!defined $subject) { + $subject = $_; + } + } + + # A whitespace line will terminate the headers + if (m/^\s*$/) { + $header_done = 1; + } + } else { + $message .= $_; + if (/^Signed-off-by: (.*)$/i && !$no_signed_off_cc) { + my $c = $1; + chomp $c; + push @cc, $c; + printf("(sob) Adding cc: %s from line '%s'\n", + $c, $_) unless $quiet; + } + } + } + close F; + if (defined $author_not_sender) { + $message = "From: $author_not_sender\n\n$message"; + } + + $cc = join(", ", unique_email_list(@cc)); + + send_message(); + + # set up for the next message + if ($chain_reply_to || length($reply_to) == 0) { + $reply_to = $message_id; + if (length $references > 0) { + $references .= " $message_id"; + } else { + $references = "$message_id"; + } + } + make_message_id(); +} + +if ($compose) { + cleanup_compose_files(); +} + +sub cleanup_compose_files() { + unlink($compose_filename, $compose_filename . ".final"); + +} + +$smtp->quit if $smtp; + +sub unique_email_list(@) { + my %seen; + my @emails; + + foreach my $entry (@_) { + if (my $clean = extract_valid_address($entry)) { + $seen{$clean} ||= 0; + next if $seen{$clean}++; + push @emails, $entry; + } else { + print STDERR "W: unable to extract a valid address", + " from: $entry\n"; + } + } + return @emails; +} |