send-email: rfc2047-quote subject lines with non-ascii characters

diff --git a/t/t9001-send-email.sh b/t/t9001-send-email.sh
index e222c4932026c2be4fcb2f590a2f7a30baa3fbe2..a4bcd282b609bb522d8f541a857c274996aa6842 100755 (executable)
--- a/t/t9001-send-email.sh
+++ b/t/t9001-send-email.sh
@@ -210,4 +210,19 @@ test_expect_success '--compose respects user mime type' '
        ! grep "^Content-Type: text/plain; charset=utf-8" msgtxt1
 '
 
+test_expect_success '--compose adds MIME for utf8 subject' '
+       clean_fake_sendmail &&
+       echo y | \
+         GIT_EDITOR=$(pwd)/fake-editor \
+         GIT_SEND_EMAIL_NOTTY=1 \
+         git send-email \
+         --compose --subject utf8-sübjëct \
+         --from="Example <nobody@example.com>" \
+         --to=nobody@example.com \
+         --smtp-server="$(pwd)/fake.sendmail" \
+         $patches &&
+       grep "^fake edit" msgtxt1 &&
+       grep "^Subject: =?utf-8?q?utf8-s=C3=BCbj=C3=ABct?=" msgtxt1
+'
+
 test_done