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Diffstat (limited to 'git-send-email.perl')
| -rwxr-xr-x | git-send-email.perl | 368 |
1 files changed, 368 insertions, 0 deletions
diff --git a/git-send-email.perl b/git-send-email.perl new file mode 100755 index 0000000..ec1428d --- /dev/null +++ b/git-send-email.perl @@ -0,0 +1,368 @@ +#!/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 Mail::Sendmail qw(sendmail %mailcfg); +use Getopt::Long; +use Data::Dumper; +use Email::Valid; + +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,$initial_reply_to,$initial_subject,@files,$from,$compose); + +# Behavior modification variables +my ($chain_reply_to, $smtp_server) = (1, "localhost"); + +# Example reply to: +#$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, + "chain-reply-to!" => \$chain_reply_to, + "smtp-server=s" => \$smtp_server, + "compose" => \$compose, + ); + +# Now, let's fill any that aren't set in with defaults: + +open(GITVAR,"-|","git-var","-l") + or die "Failed to open pipe from git-var: $!"; + +my ($author,$committer); +while(<GITVAR>) { + chomp; + my ($var,$data) = split /=/,$_,2; + my @fields = split /\s+/, $data; + + my $ident = join(" ", @fields[0...(@fields-3)]); + + if ($var eq 'GIT_AUTHOR_IDENT') { + $author = $ident; + } elsif ($var eq 'GIT_COMMITTER_IDENT') { + $committer = $ident; + } +} +close(GITVAR); + +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++; +} + +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 (!defined $smtp_server) { + $smtp_server = "localhost"; +} + +if ($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 \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) { + print $_,"\n" for @files; +} else { + print <<EOT; +git-send-email [options] <file | directory> [... file | directory ] +Options: + --from Specify the "From:" line of the email to be sent. + + --to Specify the primary "To:" line of the email. + + --compose Use \$EDITOR to edit an introductory message for the + patch series. + + --subject Specify the initial "Subject:" line. + Only necessary if --compose is also set. If --compose + is not set, this will be prompted for. + + --in-reply-to Specify the first "In-Reply-To:" header line. + Only used if --compose is also set. If --compose is not + set, this will be prompted for. + + --chain-reply-to If set, the replies will all be to the previous + email sent, rather than to the first email sent. + Defaults to on. + + --smtp-server If set, specifies the outgoing SMTP server to use. + Defaults to localhost. + +Error: Please specify a file or a directory on the command line. +EOT + exit(1); +} + +# Variables we set as part of the loop over files +our ($message_id, $cc, %mail, $subject, $reply_to, $message); + + +# 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 $message_id_from = Email::Valid->address($from); +my $message_id_template = "<%s-git-send-email-$message_id_from>"; + +sub make_message_id +{ + my $date = `date "+\%s"`; + chomp($date); + 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 = ""; + +sub send_message +{ + my $to = join (", ", unique_email_list(@to)); + + %mail = ( To => $to, + From => $from, + CC => $cc, + Subject => $subject, + Message => $message, + 'Reply-to' => $from, + 'In-Reply-To' => $reply_to, + 'Message-ID' => $message_id, + 'X-Mailer' => "git-send-email", + ); + + $mail{smtp} = $smtp_server; + $mailcfg{mime} = 0; + + #print Data::Dumper->Dump([\%mail],[qw(*mail)]); + + sendmail(%mail) or die $Mail::Sendmail::error; + + print "OK. Log says:\n", $Mail::Sendmail::log; + print "\n\n" +} + + +$reply_to = $initial_reply_to; +make_message_id(); +$subject = $initial_subject; + +foreach my $t (@files) { + my $F = $t; + open(F,"<",$t) or die "can't open file $t"; + + @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 = $1; + + } elsif (/^(Cc|From):\s+(.*)$/) { + printf("(mbox) Adding cc: %s from line '%s'\n", + $2, $_); + 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", + $_, $_); + + 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) { + my $c = $1; + chomp $c; + push @cc, $c; + printf("(sob) Adding cc: %s from line '%s'\n", + $c, $_); + } + } + } + close F; + + $cc = join(", ", unique_email_list(@cc)); + + send_message(); + + # set up for the next message + if ($chain_reply_to || length($reply_to) == 0) { + $reply_to = $message_id; + } + make_message_id(); +} + +if ($compose) { + cleanup_compose_files(); +} + +sub cleanup_compose_files() { + unlink($compose_filename, $compose_filename . ".final"); + +} + + + +sub unique_email_list(@) { + my %seen; + my @emails; + + foreach my $entry (@_) { + my $clean = Email::Valid->address($entry); + next if $seen{$clean}++; + push @emails, $entry; + } + return @emails; +} |