pull --rebase: exit early when the working directory is dirty
[gitweb.git] / git-send-email.perl
index e5d67f1b6c3237ff67673037be5ca8997cdb191d..a598fdc890c817875766c29aa714d622af770f4b 100755 (executable)
@@ -24,8 +24,6 @@
 use Term::ANSIColor;
 use Git;
 
-$SIG{INT} = sub { print color("reset"), "\n"; exit };
-
 package FakeTerm;
 sub new {
        my ($class, $reason) = @_;
@@ -88,6 +86,12 @@ sub usage {
 
    --smtp-ssl     If set, connects to the SMTP server using SSL.
 
+   --suppress-cc  Suppress the specified category of auto-CC.  The category
+                 can be one of 'author' for the patch author, 'self' to
+                 avoid copying yourself, 'sob' for Signed-off-by lines,
+                 'cccmd' for the output of the cccmd, or 'all' to suppress
+                 all of these.
+
    --suppress-from Suppress sending emails to yourself. Defaults to off.
 
    --thread       Specify that the "In-Reply-To:" header should be set on all
@@ -157,14 +161,15 @@ sub format_2822_time {
 
 # Variables we fill in automatically, or via prompting:
 my (@to,@cc,@initial_cc,@bcclist,@xh,
-       $initial_reply_to,$initial_subject,@files,$author,$sender,$compose,$time);
+       $initial_reply_to,$initial_subject,@files,$author,$sender,$smtp_authpass,$compose,$time);
 
 my $envelope_sender;
 
 # Example reply to:
 #$initial_reply_to = ''; #<20050203173208.GA23964@foobar.com>';
 
-my $repo = Git->repository();
+my $repo = eval { Git->repository() };
+my @repo = $repo ? ($repo) : ();
 my $term = eval {
        $ENV{"GIT_SEND_EMAIL_NOTTY"}
                ? new Term::ReadLine 'git-send-email', \*STDIN, \*STDOUT
@@ -179,15 +184,16 @@ sub format_2822_time {
 
 # Variables with corresponding config settings
 my ($thread, $chain_reply_to, $suppress_from, $signed_off_cc, $cc_cmd);
-my ($smtp_server, $smtp_server_port, $smtp_authuser, $smtp_authpass, $smtp_ssl);
+my ($smtp_server, $smtp_server_port, $smtp_authuser, $smtp_ssl);
 my ($identity, $aliasfiletype, @alias_files, @smtp_host_parts);
 my ($no_validate);
+my (@suppress_cc);
 
 my %config_bool_settings = (
     "thread" => [\$thread, 1],
     "chainreplyto" => [\$chain_reply_to, 1],
-    "suppressfrom" => [\$suppress_from, 0],
-    "signedoffcc" => [\$signed_off_cc, 1],
+    "suppressfrom" => [\$suppress_from, undef],
+    "signedoffcc" => [\$signed_off_cc, undef],
     "smtpssl" => [\$smtp_ssl, 0],
 );
 
@@ -197,12 +203,37 @@ sub format_2822_time {
     "smtpuser" => \$smtp_authuser,
     "smtppass" => \$smtp_authpass,
     "to" => \@to,
+    "cc" => \@initial_cc,
     "cccmd" => \$cc_cmd,
     "aliasfiletype" => \$aliasfiletype,
     "bcc" => \@bcclist,
     "aliasesfile" => \@alias_files,
+    "suppresscc" => \@suppress_cc,
 );
 
+# Handle Uncouth Termination
+sub signal_handler {
+
+       # Make text normal
+       print color("reset"), "\n";
+
+       # SMTP password masked
+       system "stty echo";
+
+       # tmp files from --compose
+       if (-e $compose_filename) {
+               print "'$compose_filename' contains an intermediate version of the email you were composing.\n";
+       }
+       if (-e ($compose_filename . ".final")) {
+               print "'$compose_filename.final' contains the composed email.\n"
+       }
+
+       exit;
+};
+
+$SIG{TERM} = \&signal_handler;
+$SIG{INT}  = \&signal_handler;
+
 # Begin by accumulating all the variables (defined above), that we will end up
 # needing, first, from the command line:
 
@@ -216,13 +247,14 @@ sub format_2822_time {
                    "smtp-server=s" => \$smtp_server,
                    "smtp-server-port=s" => \$smtp_server_port,
                    "smtp-user=s" => \$smtp_authuser,
-                   "smtp-pass=s" => \$smtp_authpass,
+                   "smtp-pass:s" => \$smtp_authpass,
                    "smtp-ssl!" => \$smtp_ssl,
                    "identity=s" => \$identity,
                    "compose" => \$compose,
                    "quiet" => \$quiet,
                    "cc-cmd=s" => \$cc_cmd,
                    "suppress-from!" => \$suppress_from,
+                   "suppress-cc=s" => \@suppress_cc,
                    "signed-off-cc|signed-off-by-cc!" => \$signed_off_cc,
                    "dry-run" => \$dry_run,
                    "envelope-sender=s" => \$envelope_sender,
@@ -241,25 +273,25 @@ sub read_config {
 
        foreach my $setting (keys %config_bool_settings) {
                my $target = $config_bool_settings{$setting}->[0];
-               $$target = $repo->config_bool("$prefix.$setting") unless (defined $$target);
+               $$target = Git::config_bool(@repo, "$prefix.$setting") unless (defined $$target);
        }
 
        foreach my $setting (keys %config_settings) {
                my $target = $config_settings{$setting};
                if (ref($target) eq "ARRAY") {
                        unless (@$target) {
-                               my @values = $repo->config("$prefix.$setting");
+                               my @values = Git::config(@repo, "$prefix.$setting");
                                @$target = @values if (@values && defined $values[0]);
                        }
                }
                else {
-                       $$target = $repo->config("$prefix.$setting") unless (defined $$target);
+                       $$target = Git::config(@repo, "$prefix.$setting") unless (defined $$target);
                }
        }
 }
 
 # read configuration from [sendemail "$identity"], fall back on [sendemail]
-$identity = $repo->config("sendemail.identity") unless (defined $identity);
+$identity = Git::config(@repo, "sendemail.identity") unless (defined $identity);
 read_config("sendemail.$identity") if (defined $identity);
 read_config("sendemail");
 
@@ -268,8 +300,38 @@ sub read_config {
        ${$setting->[0]} = $setting->[1] unless (defined (${$setting->[0]}));
 }
 
-my ($repoauthor) = $repo->ident_person('author');
-my ($repocommitter) = $repo->ident_person('committer');
+# Set CC suppressions
+my(%suppress_cc);
+if (@suppress_cc) {
+       foreach my $entry (@suppress_cc) {
+               die "Unknown --suppress-cc field: '$entry'\n"
+                       unless $entry =~ /^(all|cccmd|cc|author|self|sob)$/;
+               $suppress_cc{$entry} = 1;
+       }
+}
+
+if ($suppress_cc{'all'}) {
+       foreach my $entry (qw (ccmd cc author self sob)) {
+               $suppress_cc{$entry} = 1;
+       }
+       delete $suppress_cc{'all'};
+}
+
+# If explicit old-style ones are specified, they trump --suppress-cc.
+$suppress_cc{'self'} = $suppress_from if defined $suppress_from;
+$suppress_cc{'sob'} = !$signed_off_cc if defined $signed_off_cc;
+
+# Debugging, print out the suppressions.
+if (0) {
+       print "suppressions:\n";
+       foreach my $entry (keys %suppress_cc) {
+               printf "  %-5s -> $suppress_cc{$entry}\n", $entry;
+       }
+}
+
+my ($repoauthor, $repocommitter);
+($repoauthor) = Git::ident_person(@repo, 'author');
+($repocommitter) = Git::ident_person(@repo, 'committer');
 
 # Verify the user input
 
@@ -356,10 +418,13 @@ sub read_config {
 
 my $prompting = 0;
 if (!defined $sender) {
-       $sender = $repoauthor || $repocommitter;
-       do {
+       $sender = $repoauthor || $repocommitter || '';
+
+       while (1) {
                $_ = $term->readline("Who should the emails appear to be from? [$sender] ");
-       } while (!defined $_);
+               last if defined $_;
+               print "\n";
+       }
 
        $sender = $_ if ($_);
        print "Emails will be sent from: ", $sender, "\n";
@@ -367,10 +432,14 @@ sub read_config {
 }
 
 if (!@to) {
-       do {
-               $_ = $term->readline("Who should the emails be sent to? ",
-                               "");
-       } while (!defined $_);
+
+
+       while (1) {
+               $_ = $term->readline("Who should the emails be sent to? ", "");
+               last if defined $_;
+               print "\n";
+       }
+
        my $to = $_;
        push @to, split /,/, $to;
        $prompting++;
@@ -392,19 +461,22 @@ sub expand_aliases {
 @bcclist = expand_aliases(@bcclist);
 
 if (!defined $initial_subject && $compose) {
-       do {
-               $_ = $term->readline("What subject should the initial email start with? ",
-                       $initial_subject);
-       } while (!defined $_);
+       while (1) {
+               $_ = $term->readline("What subject should the initial email start with? ", $initial_subject);
+               last if defined $_;
+               print "\n";
+       }
+
        $initial_subject = $_;
        $prompting++;
 }
 
 if ($thread && !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 $_);
+       while (1) {
+               $_= $term->readline("Message-ID to be used as In-Reply-To for the first email? ", $initial_reply_to);
+               last if defined $_;
+               print "\n";
+       }
 
        $initial_reply_to = $_;
 }
@@ -440,8 +512,8 @@ sub expand_aliases {
 EOT
        close(C);
 
-       my $editor = $ENV{GIT_EDITOR} || $repo->config("core.editor") || $ENV{VISUAL} || $ENV{EDITOR} || "vi";
-       system('sh', '-c', '$0 $@', $editor, $compose_filename);
+       my $editor = $ENV{GIT_EDITOR} || Git::config(@repo, "core.editor") || $ENV{VISUAL} || $ENV{EDITOR} || "vi";
+       system('sh', '-c', $editor.' "$@"', $editor, $compose_filename);
 
        open(C2,">",$compose_filename . ".final")
                or die "Failed to open $compose_filename.final : " . $!;
@@ -449,16 +521,40 @@ sub expand_aliases {
        open(C,"<",$compose_filename)
                or die "Failed to open $compose_filename : " . $!;
 
+       my $need_8bit_cte = file_has_nonascii($compose_filename);
+       my $in_body = 0;
        while(<C>) {
                next if m/^GIT: /;
+               if (!$in_body && /^\n$/) {
+                       $in_body = 1;
+                       if ($need_8bit_cte) {
+                               print C2 "MIME-Version: 1.0\n",
+                                        "Content-Type: text/plain; ",
+                                          "charset=utf-8\n",
+                                        "Content-Transfer-Encoding: 8bit\n";
+                       }
+               }
+               if (!$in_body && /^MIME-Version:/i) {
+                       $need_8bit_cte = 0;
+               }
+               if (!$in_body && /^Subject: ?(.*)/i) {
+                       my $subject = $1;
+                       $_ = "Subject: " .
+                               ($subject =~ /[^[:ascii:]]/ ?
+                                quote_rfc2047($subject) :
+                                $subject) .
+                               "\n";
+               }
                print C2 $_;
        }
        close(C);
        close(C2);
 
-       do {
+       while (1) {
                $_ = $term->readline("Send this email? (y|n) ");
-       } while (!defined $_);
+               last if defined $_;
+               print "\n";
+       }
 
        if (uc substr($_,0,1) ne 'Y') {
                cleanup_compose_files();
@@ -539,6 +635,14 @@ sub unquote_rfc2047 {
        return wantarray ? ($_, $encoding) : $_;
 }
 
+sub quote_rfc2047 {
+       local $_ = shift;
+       my $encoding = shift || 'utf-8';
+       s/([^-a-zA-Z0-9!*+\/])/sprintf("=%02X", ord($1))/eg;
+       s/(.*)/=\?$encoding\?q\?$1\?=/;
+       return $_;
+}
+
 # use the simplest quoting being able to handle the recipient
 sub sanitize_address
 {
@@ -556,13 +660,12 @@ sub sanitize_address
 
        # rfc2047 is needed if a non-ascii char is included
        if ($recipient_name =~ /[^[:ascii:]]/) {
-               $recipient_name =~ s/([^-a-zA-Z0-9!*+\/])/sprintf("=%02X", ord($1))/eg;
-               $recipient_name =~ s/(.*)/=\?utf-8\?q\?$1\?=/;
+               $recipient_name = quote_rfc2047($recipient_name);
        }
 
        # double quotes are needed if specials or CTLs are included
        elsif ($recipient_name =~ /[][()<>@,;:\\".\000-\037\177]/) {
-               $recipient_name =~ s/(["\\\r])/\\$1/;
+               $recipient_name =~ s/(["\\\r])/\\$1/g;
                $recipient_name = "\"$recipient_name\"";
        }
 
@@ -650,9 +753,26 @@ sub send_message
                        die "Unable to initialize SMTP properly.  Is there something wrong with your config?";
                }
 
-               if ((defined $smtp_authuser) && (defined $smtp_authpass)) {
+               if (defined $smtp_authuser) {
+
+                       if (!defined $smtp_authpass) {
+
+                               system "stty -echo";
+
+                               do {
+                                       print "Password: ";
+                                       $_ = <STDIN>;
+                                       print "\n";
+                               } while (!defined $_);
+
+                               chomp($smtp_authpass = $_);
+
+                               system "stty echo";
+                       }
+
                        $auth ||= $smtp->auth( $smtp_authuser, $smtp_authpass ) or die $smtp->message;
                }
+
                $smtp->mail( $raw_from ) or die $smtp->message;
                $smtp->to( @recipients ) or die $smtp->message;
                $smtp->data or die $smtp->message;
@@ -714,11 +834,14 @@ sub send_message
 
                                } elsif (/^(Cc|From):\s+(.*)$/) {
                                        if (unquote_rfc2047($2) eq $sender) {
-                                               next if ($suppress_from);
+                                               next if ($suppress_cc{'self'});
                                        }
                                        elsif ($1 eq 'From') {
                                                ($author, $author_encoding)
                                                  = unquote_rfc2047($2);
+                                               next if ($suppress_cc{'author'});
+                                       } else {
+                                               next if ($suppress_cc{'cc'});
                                        }
                                        printf("(mbox) Adding cc: %s from line '%s'\n",
                                                $2, $_) unless $quiet;
@@ -745,7 +868,7 @@ sub send_message
                                # line 2 = subject
                                # So let's support that, too.
                                $input_format = 'lots';
-                               if (@cc == 0) {
+                               if (@cc == 0 && !$suppress_cc{'cc'}) {
                                        printf("(non-mbox) Adding cc: %s from line '%s'\n",
                                                $_, $_) unless $quiet;
 
@@ -762,10 +885,12 @@ sub send_message
                        }
                } else {
                        $message .=  $_;
-                       if (/^(Signed-off-by|Cc): (.*)$/i && $signed_off_cc) {
+                       if (/^(Signed-off-by|Cc): (.*)$/i) {
+                               next if ($suppress_cc{'sob'});
+                               chomp;
                                my $c = $2;
                                chomp $c;
-                               next if ($c eq $sender and $suppress_from);
+                               next if ($c eq $sender and $suppress_cc{'self'});
                                push @cc, $c;
                                printf("(sob) Adding cc: %s from line '%s'\n",
                                        $c, $_) unless $quiet;
@@ -774,7 +899,7 @@ sub send_message
        }
        close F;
 
-       if (defined $cc_cmd) {
+       if (defined $cc_cmd && !$suppress_cc{'cccmd'}) {
                open(F, "$cc_cmd $t |")
                        or die "(cc-cmd) Could not execute '$cc_cmd'";
                while(<F>) {
@@ -863,3 +988,13 @@ sub validate_patch {
        }
        return undef;
 }
+
+sub file_has_nonascii {
+       my $fn = shift;
+       open(my $fh, '<', $fn)
+               or die "unable to open $fn: $!\n";
+       while (my $line = <$fh>) {
+               return 1 if $line =~ /[^[:ascii:]]/;
+       }
+       return 0;
+}