send-email: avoid empty transfer encoding header
Fix a small bug introduced by "7a36987ff (send-email: add an auto option
for transfer encoding, 2018-07-14)".
I saw the following message when setting --transfer-encoding for a file
with the same encoding:
$ git send-email --transfer-encoding=8bit example.patch
Use of uninitialized value $xfer_encoding in concatenation (.) or string
at /usr/lib/git-core/git-send-email line 1744.
The new tests are by brian m. carlson.
Signed-off-by: Aaron Lindsay <aaron@aclindsay.com>
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/git-send-email.perl b/git-send-email.perl
index f4c0790..6b5d746 100755
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -1835,7 +1835,7 @@
my $from = shift;
my $to = shift;
- return $message if ($from eq $to and $from ne '7bit');
+ return ($message, $to) if ($from eq $to and $from ne '7bit');
require MIME::QuotedPrint;
require MIME::Base64;
