[PATCH] send-email: handle multiple Cc addresses when reading mbox message

@@ -126,6 +126,7 @@ sub format_2822_time {
 }
 
 my $have_email_valid = eval { require Email::Valid; 1 };
+my $have_mail_address = eval { require Mail::Address; 1 };
 my $smtp;
 my $auth;
 

@@ -360,6 +361,14 @@ foreach my $entry (@bcclist) {
 	die "Comma in --bcclist entry: $entry'\n" unless $entry !~ m/,/;
 }
 
+sub parse_address_line {
+	if ($have_mail_address) {
+		return map { $_->format } Mail::Address->parse($_[0]);
+	} else {
+		return split_addrs($_[0]);
+	}
+}
+
 sub split_addrs {
 	return quotewords('\s*,\s*', 1, @_);
 }

@@ -593,7 +602,7 @@ if (!@to) {
 	}
 
 	my $to = $_;
-	push @to, split_addrs($to);
+	push @to, parse_address_line($to);
 	$prompting++;
 }
 

@@ -920,88 +929,97 @@ foreach my $t (@files) {
 	@cc = @initial_cc;
 	@xh = ();
 	my $input_format = undef;
-	my $header_done = 0;
+	my @header = ();
 	$message = "";
+	# First unfold multiline header fields
 	while(<F>) {
-		if (!$header_done) {
-			if (/^From /) {
-				$input_format = 'mbox';
-				next;
+		last if /^\s*$/;
+		if (/^\s+\S/ and @header) {
+			chomp($header[$#header]);
+			s/^\s+/ /;
+			$header[$#header] .= $_;
+	    } else {
+			push(@header, $_);
+		}
+	}
+	# Now parse the header
+	foreach(@header) {
+		if (/^From /) {
+			$input_format = 'mbox';
+			next;
+		}
+		chomp;
+		if (!defined $input_format && /^[-A-Za-z]+:\s/) {
+			$input_format = 'mbox';
+		}
+
+		if (defined $input_format && $input_format eq 'mbox') {
+			if (/^Subject:\s+(.*)$/) {
+				$subject = $1;
 			}
-			chomp;
-			if (!defined $input_format && /^[-A-Za-z]+:\s/) {
-				$input_format = 'mbox';
+			elsif (/^From:\s+(.*)$/) {
+				($author, $author_encoding) = unquote_rfc2047($1);
+				next if ($suppress_cc{'author'});
+				printf("(mbox) Adding cc: %s from line '%s'\n",
+					$1, $_) unless $quiet;
+				push @cc, $1;
 			}
-
-			if (defined $input_format && $input_format eq 'mbox') {
-				if (/^Subject:\s+(.*)$/) {
-					$subject = $1;
-
-				} elsif (/^(Cc|From):\s+(.*)$/) {
-					if (unquote_rfc2047($2) eq $sender) {
+			elsif (/^Cc:\s+(.*)$/) {
+				foreach my $addr (parse_address_line($1)) {
+					if (unquote_rfc2047($addr) eq $sender) {
 						next if ($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;
-					push @cc, $2;
+						$addr, $_) unless $quiet;
+					push @cc, $addr;
 				}
-				elsif (/^Content-type:/i) {
-					$has_content_type = 1;
-					if (/charset="?([^ "]+)/) {
-						$body_encoding = $1;
-					}
-					push @xh, $_;
-				}
-				elsif (/^Message-Id: (.*)/i) {
-					$message_id = $1;
-				}
-				elsif (!/^Date:\s/ && /^[-A-Za-z]+:\s+\S/) {
-					push @xh, $_;
-				}
-
-			} else {
-				# In the traditional
-				# "send lots of email" format,
-				# line 1 = cc
-				# line 2 = subject
-				# So let's support that, too.
-				$input_format = 'lots';
-				if (@cc == 0 && !$suppress_cc{'cc'}) {
-					printf("(non-mbox) Adding cc: %s from line '%s'\n",
-						$_, $_) unless $quiet;
-
-					push @cc, $_;
-
-				} elsif (!defined $subject) {
-					$subject = $_;
+			}
+			elsif (/^Content-type:/i) {
+				$has_content_type = 1;
+				if (/charset="?([^ "]+)/) {
+					$body_encoding = $1;
 				}
+				push @xh, $_;
 			}
-
-			# A whitespace line will terminate the headers
-			if (m/^\s*$/) {
-				$header_done = 1;
+			elsif (/^Message-Id: (.*)/i) {
+				$message_id = $1;
 			}
+			elsif (!/^Date:\s/ && /^[-A-Za-z]+:\s+\S/) {
+				push @xh, $_;
+			}
+
 		} else {
-			$message .=  $_;
-			if (/^(Signed-off-by|Cc): (.*)$/i) {
-				next if ($suppress_cc{'sob'});
-				chomp;
-				my $c = $2;
-				chomp $c;
-				next if ($c eq $sender and $suppress_cc{'self'});
-				push @cc, $c;
-				printf("(sob) Adding cc: %s from line '%s'\n",
-					$c, $_) unless $quiet;
+			# In the traditional
+			# "send lots of email" format,
+			# line 1 = cc
+			# line 2 = subject
+			# So let's support that, too.
+			$input_format = 'lots';
+			if (@cc == 0 && !$suppress_cc{'cc'}) {
+				printf("(non-mbox) Adding cc: %s from line '%s'\n",
+					$_, $_) unless $quiet;
+				push @cc, $_;
+			} elsif (!defined $subject) {
+				$subject = $_;
 			}
 		}
 	}
+	# Now parse the message body
+	while(<F>) {
+		$message .=  $_;
+		if (/^(Signed-off-by|Cc): (.*)$/i) {
+			next if ($suppress_cc{'sob'});
+			chomp;
+			my $c = $2;
+			chomp $c;
+			next if ($c eq $sender and $suppress_cc{'self'});
+			push @cc, $c;
+			printf("(sob) Adding cc: %s from line '%s'\n",
+				$c, $_) unless $quiet;
+		}
+	}
 	close F;
 
 	if (defined $cc_cmd && !$suppress_cc{'cccmd'}) {

@@ -32,7 +32,7 @@ clean_fake_sendmail() {
 }
 
 test_expect_success 'Extract patches' '
-    patches=`git format-patch -n HEAD^1`
+    patches=`git format-patch --cc="One <one@example.com>" --cc=two@example.com -n HEAD^1`
 '
 
 test_expect_success 'Send patches' '

@@ -42,6 +42,8 @@ test_expect_success 'Send patches' '
 cat >expected <<\EOF
 !nobody@example.com!
 !author@example.com!
+!one@example.com!
+!two@example.com!
 EOF
 test_expect_success \
     'Verify commandline' \

@@ -50,13 +52,15 @@ test_expect_success \
 cat >expected-show-all-headers <<\EOF
 0001-Second.patch
 (mbox) Adding cc: A <author@example.com> from line 'From: A <author@example.com>'
+(mbox) Adding cc: One <one@example.com> from line 'Cc: One <one@example.com>, two@example.com'
+(mbox) Adding cc: two@example.com from line 'Cc: One <one@example.com>, two@example.com'
 Dry-OK. Log says:
 Server: relay.example.com
 MAIL FROM:<from@example.com>
-RCPT TO:<to@example.com>,<cc@example.com>,<author@example.com>,<bcc@example.com>
+RCPT TO:<to@example.com>,<cc@example.com>,<author@example.com>,<one@example.com>,<two@example.com>,<bcc@example.com>
 From: Example <from@example.com>
 To: to@example.com
-Cc: cc@example.com, A <author@example.com>
+Cc: cc@example.com, A <author@example.com>, One <one@example.com>, two@example.com
 Subject: [PATCH 1/1] Second.
 Date: DATE-STRING
 Message-Id: MESSAGE-ID-STRING

@@ -170,13 +174,15 @@ test_expect_success 'second message is patch' '
 cat >expected-show-all-headers <<\EOF
 0001-Second.patch
 (mbox) Adding cc: A <author@example.com> from line 'From: A <author@example.com>'
+(mbox) Adding cc: One <one@example.com> from line 'Cc: One <one@example.com>, two@example.com'
+(mbox) Adding cc: two@example.com from line 'Cc: One <one@example.com>, two@example.com'
 Dry-OK. Log says:
 Server: relay.example.com
 MAIL FROM:<from@example.com>
-RCPT TO:<to@example.com>,<cc@example.com>,<author@example.com>
+RCPT TO:<to@example.com>,<cc@example.com>,<author@example.com>,<one@example.com>,<two@example.com>
 From: Example <from@example.com>
 To: to@example.com
-Cc: cc@example.com, A <author@example.com>
+Cc: cc@example.com, A <author@example.com>, One <one@example.com>, two@example.com
 Subject: [PATCH 1/1] Second.
 Date: DATE-STRING
 Message-Id: MESSAGE-ID-STRING

@@ -203,13 +209,15 @@ test_expect_success 'sendemail.cc set' '
 cat >expected-show-all-headers <<\EOF
 0001-Second.patch
 (mbox) Adding cc: A <author@example.com> from line 'From: A <author@example.com>'
+(mbox) Adding cc: One <one@example.com> from line 'Cc: One <one@example.com>, two@example.com'
+(mbox) Adding cc: two@example.com from line 'Cc: One <one@example.com>, two@example.com'
 Dry-OK. Log says:
 Server: relay.example.com
 MAIL FROM:<from@example.com>
-RCPT TO:<to@example.com>,<author@example.com>
+RCPT TO:<to@example.com>,<author@example.com>,<one@example.com>,<two@example.com>
 From: Example <from@example.com>
 To: to@example.com
-Cc: A <author@example.com>
+Cc: A <author@example.com>, One <one@example.com>, two@example.com
 Subject: [PATCH 1/1] Second.
 Date: DATE-STRING
 Message-Id: MESSAGE-ID-STRING

@@ -958,8 +958,8 @@ foreach my $t (@files) {
 				$subject = $1;
 			}
 			elsif (/^From:\s+(.*)$/) {
+				next if $suppress_cc{'author'};
 				($author, $author_encoding) = unquote_rfc2047($1);
-				next if ($suppress_cc{'author'});
 				printf("(mbox) Adding cc: %s from line '%s'\n",
 					$1, $_) unless $quiet;
 				push @cc, $1;

@@ -965,12 +965,10 @@ foreach my $t (@files) {
 				push @cc, $1;
 			}
 			elsif (/^Cc:\s+(.*)$/) {
+				next if $suppress_cc{'cc'};
 				foreach my $addr (parse_address_line($1)) {
-					if (unquote_rfc2047($addr) eq $sender) {
-						next if ($suppress_cc{'self'});
-					} else {
-						next if ($suppress_cc{'cc'});
-					}
+					next if $suppress_cc{'self'} and
+						unquote_rfc2047($addr) eq $sender;
 					printf("(mbox) Adding cc: %s from line '%s'\n",
 						$addr, $_) unless $quiet;
 					push @cc, $addr;

@@ -166,12 +166,14 @@ Automating
 	Specify an additional category of recipients to suppress the
 	auto-cc of.  'self' will avoid including the sender, 'author' will
 	avoid including the patch author, 'cc' will avoid including anyone
-	mentioned in Cc lines in the patch, 'sob' will avoid including
-	anyone mentioned in Signed-off-by lines, and 'cccmd' will avoid
-	running the --cc-cmd.  'all' will suppress all auto cc values.
-	Default is the value of 'sendemail.suppresscc' configuration value;
-	if that is unspecified, default to 'self' if --suppress-from is
-	specified, as well as 'sob' if --no-signed-off-cc is specified.
+	mentioned in Cc lines in the patch header, 'ccbody' will avoid
+	including anyone mentioned in Cc lines in the patch body (commit
+	message), 'sob' will avoid including anyone mentioned in Signed-off-by
+	lines, and 'cccmd' will avoid running the --cc-cmd. 'body' is
+	equivalent to 'sob' + 'ccbody'. 'all' will suppress all auto cc
+	values.  Default is the value of 'sendemail.suppresscc' configuration
+	value; if that is unspecified, default to 'self' if --suppress-from is
+	specified, as well as 'body' if --no-signed-off-cc is specified.
 
 --[no-]suppress-from::
 	If this is set, do not add the From: address to the cc: list.

@@ -68,7 +68,7 @@ git send-email [options] <file | directory | rev-list options >
   Automating:
     --identity              <str>  * Use the sendemail.<id> options.
     --cc-cmd                <str>  * Email Cc: via `<str> \$patch_path`
-    --suppress-cc           <str>  * author, self, sob, cccmd, all.
+    --suppress-cc           <str>  * author, self, sob, cc, cccmd, body, bodycc, all.
     --[no-]signed-off-by-cc        * Send to Cc: and Signed-off-by:
                                      addresses. Default on.
     --[no-]suppress-from           * Send to self. Default off.

@@ -319,21 +319,28 @@ my(%suppress_cc);
 if (@suppress_cc) {
 	foreach my $entry (@suppress_cc) {
 		die "Unknown --suppress-cc field: '$entry'\n"
-			unless $entry =~ /^(all|cccmd|cc|author|self|sob)$/;
+			unless $entry =~ /^(all|cccmd|cc|author|self|sob|body|bodycc)$/;
 		$suppress_cc{$entry} = 1;
 	}
 }
 
 if ($suppress_cc{'all'}) {
-	foreach my $entry (qw (ccmd cc author self sob)) {
+	foreach my $entry (qw (ccmd cc author self sob body bodycc)) {
 		$suppress_cc{$entry} = 1;
 	}
 	delete $suppress_cc{'all'};
 }
 
+if ($suppress_cc{'sob'} && $suppress_cc{'bodycc'}) {
+	$suppress_cc{'body'} = 1;
+}
+
 # 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_by_cc if defined $signed_off_by_cc;
+# For backwards compatibility, old-style --signed-off-by-cc suppresses
+# SOB and body Cc lines, whereas --supress-cc=sob suppresses just the SOB
+# line, but not the body Cc.
+$suppress_cc{'body'} = !$signed_off_by_cc if defined $signed_off_by_cc;
 
 # Debugging, print out the suppressions.
 if (0) {

@@ -1005,17 +1012,20 @@ foreach my $t (@files) {
 		}
 	}
 	# Now parse the message body
-	while(<F>) {
-		$message .=  $_;
-		if (/^(Signed-off-by|Cc): (.*)$/i) {
-			next if ($suppress_cc{'sob'});
-			chomp;
-			my $c = $2;
-			chomp $c;
-			next if ($c eq $sender and $suppress_cc{'self'});
-			push @cc, $c;
-			printf("(sob) Adding cc: %s from line '%s'\n",
-				$c, $_) unless $quiet;
+	unless ($suppress_cc{'body'}) {
+		while(<F>) {
+			$message .=  $_;
+			if (/^(Signed-off-by|Cc): (.*)$/i) {
+				chomp;
+				my ($what, $c) = ($1, $2);
+				chomp $c;
+				next if $suppress_cc{'sob'} and $what =~ /Signed-off-by/i;
+				next if $suppress_cc{'bodycc'} and $what =~ /Cc/i;
+				next if ($c eq $sender and $suppress_cc{'self'});
+				push @cc, $c;
+				printf("(body) Adding cc: %s from line '%s'\n",
+					$c, $_) unless $quiet;
+			}
 		}
 	}
 	close F;

@@ -32,11 +32,11 @@ clean_fake_sendmail() {
 }
 
 test_expect_success 'Extract patches' '
-    patches=`git format-patch --cc="One <one@example.com>" --cc=two@example.com -n HEAD^1`
+    patches=`git format-patch -s --cc="One <one@example.com>" --cc=two@example.com -n HEAD^1`
 '
 
 test_expect_success 'Send patches' '
-     git send-email --from="Example <nobody@example.com>" --to=nobody@example.com --smtp-server="$(pwd)/fake.sendmail" $patches 2>errors
+     git send-email --suppress-cc=sob --from="Example <nobody@example.com>" --to=nobody@example.com --smtp-server="$(pwd)/fake.sendmail" $patches 2>errors
 '
 
 cat >expected <<\EOF

@@ -74,6 +74,7 @@ EOF
 test_expect_success 'Show all headers' '
 	git send-email \
 		--dry-run \
+		--suppress-cc=sob \
 		--from="Example <from@example.com>" \
 		--to=to@example.com \
 		--cc=cc@example.com \

@@ -195,6 +196,7 @@ test_expect_success 'sendemail.cc set' '
 	git config sendemail.cc cc@example.com &&
 	git send-email \
 		--dry-run \
+		--suppress-cc=sob \
 		--from="Example <from@example.com>" \
 		--to=to@example.com \
 		--smtp-server relay.example.com \

@@ -230,6 +232,38 @@ test_expect_success 'sendemail.cc unset' '
 	git config --unset sendemail.cc &&
 	git send-email \
 		--dry-run \
+		--suppress-cc=sob \
+		--from="Example <from@example.com>" \
+		--to=to@example.com \
+		--smtp-server relay.example.com \
+		$patches |
+	sed	-e "s/^\(Date:\).*/\1 DATE-STRING/" \
+		-e "s/^\(Message-Id:\).*/\1 MESSAGE-ID-STRING/" \
+		-e "s/^\(X-Mailer:\).*/\1 X-MAILER-STRING/" \
+		>actual-show-all-headers &&
+	test_cmp expected-show-all-headers actual-show-all-headers
+'
+
+cat >expected-show-all-headers <<\EOF
+0001-Second.patch
+Dry-OK. Log says:
+Server: relay.example.com
+MAIL FROM:<from@example.com>
+RCPT TO:<to@example.com>
+From: Example <from@example.com>
+To: to@example.com
+Subject: [PATCH 1/1] Second.
+Date: DATE-STRING
+Message-Id: MESSAGE-ID-STRING
+X-Mailer: X-MAILER-STRING
+
+Result: OK
+EOF
+
+test_expect_success '--suppress-cc=all' '
+	git send-email \
+		--dry-run \
+		--suppress-cc=all \
 		--from="Example <from@example.com>" \
 		--to=to@example.com \
 		--smtp-server relay.example.com \

@@ -166,12 +166,14 @@ Automating
 	Specify an additional category of recipients to suppress the
 	auto-cc of.  'self' will avoid including the sender, 'author' will
 	avoid including the patch author, 'cc' will avoid including anyone
-	mentioned in Cc lines in the patch, 'sob' will avoid including
-	anyone mentioned in Signed-off-by lines, and 'cccmd' will avoid
-	running the --cc-cmd.  'all' will suppress all auto cc values.
-	Default is the value of 'sendemail.suppresscc' configuration value;
-	if that is unspecified, default to 'self' if --suppress-from is
-	specified, as well as 'sob' if --no-signed-off-cc is specified.
+	mentioned in Cc lines in the patch header, 'ccbody' will avoid
+	including anyone mentioned in Cc lines in the patch body (commit
+	message), 'sob' will avoid including anyone mentioned in Signed-off-by
+	lines, and 'cccmd' will avoid running the --cc-cmd. 'body' is
+	equivalent to 'sob' + 'ccbody'. 'all' will suppress all auto cc
+	values.  Default is the value of 'sendemail.suppresscc' configuration
+	value; if that is unspecified, default to 'self' if --suppress-from is
+	specified, as well as 'body' if --no-signed-off-cc is specified.
 
 --[no-]suppress-from::
 	If this is set, do not add the From: address to the cc: list.

@@ -68,7 +68,7 @@ git send-email [options] <file | directory | rev-list options >
   Automating:
     --identity              <str>  * Use the sendemail.<id> options.
     --cc-cmd                <str>  * Email Cc: via `<str> \$patch_path`
-    --suppress-cc           <str>  * author, self, sob, cccmd, all.
+    --suppress-cc           <str>  * author, self, sob, cc, cccmd, body, bodycc, all.
     --[no-]signed-off-by-cc        * Send to Cc: and Signed-off-by:
                                      addresses. Default on.
     --[no-]suppress-from           * Send to self. Default off.

@@ -319,21 +319,28 @@ my(%suppress_cc);
 if (@suppress_cc) {
 	foreach my $entry (@suppress_cc) {
 		die "Unknown --suppress-cc field: '$entry'\n"
-			unless $entry =~ /^(all|cccmd|cc|author|self|sob)$/;
+			unless $entry =~ /^(all|cccmd|cc|author|self|sob|body|bodycc)$/;
 		$suppress_cc{$entry} = 1;
 	}
 }
 
 if ($suppress_cc{'all'}) {
-	foreach my $entry (qw (ccmd cc author self sob)) {
+	foreach my $entry (qw (ccmd cc author self sob body bodycc)) {
 		$suppress_cc{$entry} = 1;
 	}
 	delete $suppress_cc{'all'};
 }
 
+if ($suppress_cc{'sob'} && $suppress_cc{'bodycc'}) {
+	$suppress_cc{'body'} = 1;
+}
+
 # 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_by_cc if defined $signed_off_by_cc;
+# For backwards compatibility, old-style --signed-off-by-cc suppresses
+# SOB and body Cc lines, whereas --supress-cc=sob suppresses just the SOB
+# line, but not the body Cc.
+$suppress_cc{'body'} = !$signed_off_by_cc if defined $signed_off_by_cc;
 
 # Debugging, print out the suppressions.
 if (0) {

@@ -1007,14 +1014,16 @@ foreach my $t (@files) {
 	# Now parse the message body
 	while(<F>) {
 		$message .=  $_;
+		next if $suppress_cc{'body'};
 		if (/^(Signed-off-by|Cc): (.*)$/i) {
-			next if ($suppress_cc{'sob'});
 			chomp;
-			my $c = $2;
+			my ($what, $c) = ($1, $2);
 			chomp $c;
+			next if $suppress_cc{'sob'} and $what =~ /Signed-off-by/i;
+			next if $suppress_cc{'bodycc'} and $what =~ /Cc/i;
 			next if ($c eq $sender and $suppress_cc{'self'});
 			push @cc, $c;
-			printf("(sob) Adding cc: %s from line '%s'\n",
+			printf("(body) Adding cc: %s from line '%s'\n",
 				$c, $_) unless $quiet;
 		}
 	}

@@ -32,11 +32,11 @@ clean_fake_sendmail() {
 }
 
 test_expect_success 'Extract patches' '
-    patches=`git format-patch --cc="One <one@example.com>" --cc=two@example.com -n HEAD^1`
+    patches=`git format-patch -s --cc="One <one@example.com>" --cc=two@example.com -n HEAD^1`
 '
 
 test_expect_success 'Send patches' '
-     git send-email --from="Example <nobody@example.com>" --to=nobody@example.com --smtp-server="$(pwd)/fake.sendmail" $patches 2>errors
+     git send-email --suppress-cc=sob --from="Example <nobody@example.com>" --to=nobody@example.com --smtp-server="$(pwd)/fake.sendmail" $patches 2>errors
 '
 
 cat >expected <<\EOF

@@ -74,6 +74,7 @@ EOF
 test_expect_success 'Show all headers' '
 	git send-email \
 		--dry-run \
+		--suppress-cc=sob \
 		--from="Example <from@example.com>" \
 		--to=to@example.com \
 		--cc=cc@example.com \

@@ -195,6 +196,7 @@ test_expect_success 'sendemail.cc set' '
 	git config sendemail.cc cc@example.com &&
 	git send-email \
 		--dry-run \
+		--suppress-cc=sob \
 		--from="Example <from@example.com>" \
 		--to=to@example.com \
 		--smtp-server relay.example.com \

@@ -230,6 +232,38 @@ test_expect_success 'sendemail.cc unset' '
 	git config --unset sendemail.cc &&
 	git send-email \
 		--dry-run \
+		--suppress-cc=sob \
+		--from="Example <from@example.com>" \
+		--to=to@example.com \
+		--smtp-server relay.example.com \
+		$patches |
+	sed	-e "s/^\(Date:\).*/\1 DATE-STRING/" \
+		-e "s/^\(Message-Id:\).*/\1 MESSAGE-ID-STRING/" \
+		-e "s/^\(X-Mailer:\).*/\1 X-MAILER-STRING/" \
+		>actual-show-all-headers &&
+	test_cmp expected-show-all-headers actual-show-all-headers
+'
+
+cat >expected-show-all-headers <<\EOF
+0001-Second.patch
+Dry-OK. Log says:
+Server: relay.example.com
+MAIL FROM:<from@example.com>
+RCPT TO:<to@example.com>
+From: Example <from@example.com>
+To: to@example.com
+Subject: [PATCH 1/1] Second.
+Date: DATE-STRING
+Message-Id: MESSAGE-ID-STRING
+X-Mailer: X-MAILER-STRING
+
+Result: OK
+EOF
+
+test_expect_success '--suppress-cc=all' '
+	git send-email \
+		--dry-run \
+		--suppress-cc=all \
 		--from="Example <from@example.com>" \
 		--to=to@example.com \
 		--smtp-server relay.example.com \

@@ -959,18 +959,17 @@ foreach my $t (@files) {
 			}
 			elsif (/^From:\s+(.*)$/) {
 				($author, $author_encoding) = unquote_rfc2047($1);
-				next if ($suppress_cc{'author'});
+				next if $suppress_cc{'author'};
+				next if $suppress_cc{'self'} and $author eq $sender;
 				printf("(mbox) Adding cc: %s from line '%s'\n",
 					$1, $_) unless $quiet;
 				push @cc, $1;
 			}
 			elsif (/^Cc:\s+(.*)$/) {
+				next if $suppress_cc{'cc'};
 				foreach my $addr (parse_address_line($1)) {
-					if (unquote_rfc2047($addr) eq $sender) {
-						next if ($suppress_cc{'self'});
-					} else {
-						next if ($suppress_cc{'cc'});
-					}
+					next if $suppress_cc{'self'} and
+						unquote_rfc2047($addr) eq $sender;
 					printf("(mbox) Adding cc: %s from line '%s'\n",
 						$addr, $_) unless $quiet;
 					push @cc, $addr;

@@ -1038,7 +1037,7 @@ foreach my $t (@files) {
 			or die "(cc-cmd) failed to close pipe to '$cc_cmd'";
 	}
 
-	if (defined $author) {
+	if (defined $author and $author ne $sender) {
 		$message = "From: $author\n\n$message";
 		if (defined $author_encoding) {
 			if ($has_content_type) {