Don't use memcpy when source and dest. buffers may overlap

[git.git] / git-send-email.perl

diff --git a/git-send-email.perl b/git-send-email.perl
index 4a20310841b69280a21ac4c79d95ce9ce3ea7df4..4c87c20c158fe3edfd0b770f1855e67e20038e3b 100755 (executable)
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -83,11 +83,12 @@ sub cleanup_compose_files();
 my $compose_filename = ".msg.$$";
 
 # Variables we fill in automatically, or via prompting:
-my (@to,@cc,@initial_cc,@bcclist,
+my (@to,@cc,@initial_cc,@bcclist,@xh,
        $initial_reply_to,$initial_subject,@files,$from,$compose,$time);
 
 # Behavior modification variables
-my ($chain_reply_to, $quiet, $suppress_from, $no_signed_off_cc) = (1, 0, 0, 0);
+my ($chain_reply_to, $quiet, $suppress_from, $no_signed_off_cc,
+       $dry_run) = (1, 0, 0, 0, 0);
 my $smtp_server;
 
 # Example reply to:
@@ -116,6 +117,7 @@ my $rc = GetOptions("from=s" => \$from,
                    "quiet" => \$quiet,
                    "suppress-from" => \$suppress_from,
                    "no-signed-off-cc|no-signed-off-by-cc" => \$no_signed_off_cc,
+                   "dry-run" => \$dry_run,
         );
 
 # Verify the user input
@@ -228,6 +230,9 @@ if (!defined $initial_reply_to && $prompting) {
        $initial_reply_to =~ s/(^\s+|\s+$)//g;
 }
 
+if (!$smtp_server) {
+       $smtp_server = $repo->config('sendemail.smtpserver');
+}
 if (!$smtp_server) {
        foreach (qw( /usr/sbin/sendmail /usr/lib/sendmail )) {
                if (-x $_) {
@@ -409,6 +414,11 @@ sub send_message
            $gitversion = Git::version();
        }
 
+       my ($author_name) = ($from =~ /^(.*?)\s+</);
+       if ($author_name && $author_name =~ /\./ && $author_name !~ /^".*"$/) {
+               my ($name, $addr) = ($from =~ /^(.*?)(\s+<.*)/);
+               $from = "\"$name\"$addr";
+       }
        my $header = "From: $from
 To: $to
 Cc: $cc
@@ -422,8 +432,13 @@ X-Mailer: git-send-email $gitversion
                $header .= "In-Reply-To: $reply_to\n";
                $header .= "References: $references\n";
        }
+       if (@xh) {
+               $header .= join("\n", @xh) . "\n";
+       }
 
-       if ($smtp_server =~ m#^/#) {
+       if ($dry_run) {
+               # We don't want to send the email.
+       } elsif ($smtp_server =~ m#^/#) {
                my $pid = open my $sm, '|-';
                defined $pid or die $!;
                if (!$pid) {
@@ -472,15 +487,22 @@ foreach my $t (@files) {
 
        my $author_not_sender = undef;
        @cc = @initial_cc;
-       my $found_mbox = 0;
+       @xh = ();
+       my $input_format = undef;
        my $header_done = 0;
        $message = "";
        while(<F>) {
                if (!$header_done) {
-                       $found_mbox = 1, next if (/^From /);
+                       if (/^From /) {
+                               $input_format = 'mbox';
+                               next;
+                       }
                        chomp;
+                       if (!defined $input_format && /^[-A-Za-z]+:\s/) {
+                               $input_format = 'mbox';
+                       }
 
-                       if ($found_mbox) {
+                       if (defined $input_format && $input_format eq 'mbox') {
                                if (/^Subject:\s+(.*)$/) {
                                        $subject = $1;
 
@@ -495,6 +517,9 @@ foreach my $t (@files) {
                                                $2, $_) unless $quiet;
                                        push @cc, $2;
                                }
+                               elsif (!/^Date:\s/ && /^[-A-Za-z]+:\s+\S/) {
+                                       push @xh, $_;
+                               }
 
                        } else {
                                # In the traditional
@@ -502,6 +527,7 @@ foreach my $t (@files) {
                                # line 1 = cc
                                # line 2 = subject
                                # So let's support that, too.
+                               $input_format = 'lots';
                                if (@cc == 0) {
                                        printf("(non-mbox) Adding cc: %s from line '%s'\n",
                                                $_, $_) unless $quiet;
@@ -538,7 +564,7 @@ foreach my $t (@files) {
        send_message();
 
        # set up for the next message
-       if ($chain_reply_to || length($reply_to) == 0) {
+       if ($chain_reply_to || !defined $reply_to || length($reply_to) == 0) {
                $reply_to = $message_id;
                if (length $references > 0) {
                        $references .= " $message_id";