send-email: avoid empty transfer encoding header

diff --git a/t/t9001-send-email.sh b/t/t9001-send-email.sh
index 19601fb546d5a329e4889b352d817fe6f7fb7fb3..8e36a67b3ac5329426da3c093fbf4655b3978bd9 100755 (executable)
--- a/t/t9001-send-email.sh
+++ b/t/t9001-send-email.sh
@@ -224,6 +224,9 @@ Message-Id: MESSAGE-ID-STRING
 X-Mailer: X-MAILER-STRING
 In-Reply-To: <unique-message-id@example.com>
 References: <unique-message-id@example.com>
+Reply-To: Reply <reply@example.com>
+MIME-Version: 1.0
+Content-Transfer-Encoding: 8bit
 
 Result: OK
 EOF
@@ -316,6 +319,7 @@ test_expect_success $PREREQ 'Show all headers' '
                --dry-run \
                --suppress-cc=sob \
                --from="Example <from@example.com>" \
+               --reply-to="Reply <reply@example.com>" \
                --to=to@example.com \
                --cc=cc@example.com \
                --bcc=bcc@example.com \
@@ -413,6 +417,7 @@ test_expect_success $PREREQ 'reject long lines' '
                --from="Example <nobody@example.com>" \
                --to=nobody@example.com \
                --smtp-server="$(pwd)/fake.sendmail" \
+               --transfer-encoding=8bit \
                $patches longline.patch \
                2>errors &&
        grep longline.patch errors
@@ -454,6 +459,57 @@ test_expect_success $PREREQ 'allow long lines with --no-validate' '
                2>errors
 '
 
+test_expect_success $PREREQ 'short lines with auto encoding are 8bit' '
+       clean_fake_sendmail &&
+       git send-email \
+               --from="A <author@example.com>" \
+               --to=nobody@example.com \
+               --smtp-server="$(pwd)/fake.sendmail" \
+               --transfer-encoding=auto \
+               $patches &&
+       grep "Content-Transfer-Encoding: 8bit" msgtxt1
+'
+
+test_expect_success $PREREQ 'long lines with auto encoding are quoted-printable' '
+       clean_fake_sendmail &&
+       git send-email \
+               --from="Example <nobody@example.com>" \
+               --to=nobody@example.com \
+               --smtp-server="$(pwd)/fake.sendmail" \
+               --transfer-encoding=auto \
+               --no-validate \
+               longline.patch &&
+       grep "Content-Transfer-Encoding: quoted-printable" msgtxt1
+'
+
+for enc in auto quoted-printable base64
+do
+       test_expect_success $PREREQ "--validate passes with encoding $enc" '
+               git send-email \
+                       --from="Example <nobody@example.com>" \
+                       --to=nobody@example.com \
+                       --smtp-server="$(pwd)/fake.sendmail" \
+                       --transfer-encoding=$enc \
+                       --validate \
+                       $patches longline.patch
+       '
+
+done
+
+for enc in 7bit 8bit quoted-printable base64
+do
+       test_expect_success $PREREQ "--transfer-encoding=$enc produces correct header" '
+               clean_fake_sendmail &&
+               git send-email \
+                       --from="Example <nobody@example.com>" \
+                       --to=nobody@example.com \
+                       --smtp-server="$(pwd)/fake.sendmail" \
+                       --transfer-encoding=$enc \
+                       $patches &&
+               grep "Content-Transfer-Encoding: $enc" msgtxt1
+       '
+done
+
 test_expect_success $PREREQ 'Invalid In-Reply-To' '
        clean_fake_sendmail &&
        git send-email \
@@ -571,6 +627,8 @@ Subject: [PATCH 1/1] Second.
 Date: DATE-STRING
 Message-Id: MESSAGE-ID-STRING
 X-Mailer: X-MAILER-STRING
+MIME-Version: 1.0
+Content-Transfer-Encoding: 8bit
 
 Result: OK
 EOF
@@ -615,6 +673,8 @@ Subject: [PATCH 1/1] Second.
 Date: DATE-STRING
 Message-Id: MESSAGE-ID-STRING
 X-Mailer: X-MAILER-STRING
+MIME-Version: 1.0
+Content-Transfer-Encoding: 8bit
 
 Result: OK
 EOF
@@ -650,6 +710,8 @@ Subject: [PATCH 1/1] Second.
 Date: DATE-STRING
 Message-Id: MESSAGE-ID-STRING
 X-Mailer: X-MAILER-STRING
+MIME-Version: 1.0
+Content-Transfer-Encoding: 8bit
 
 Result: OK
 EOF
@@ -676,6 +738,8 @@ Subject: [PATCH 1/1] Second.
 Date: DATE-STRING
 Message-Id: MESSAGE-ID-STRING
 X-Mailer: X-MAILER-STRING
+MIME-Version: 1.0
+Content-Transfer-Encoding: 8bit
 
 Result: OK
 EOF
@@ -710,6 +774,8 @@ Subject: [PATCH 1/1] Second.
 Date: DATE-STRING
 Message-Id: MESSAGE-ID-STRING
 X-Mailer: X-MAILER-STRING
+MIME-Version: 1.0
+Content-Transfer-Encoding: 8bit
 
 Result: OK
 EOF
@@ -741,6 +807,8 @@ Subject: [PATCH 1/1] Second.
 Date: DATE-STRING
 Message-Id: MESSAGE-ID-STRING
 X-Mailer: X-MAILER-STRING
+MIME-Version: 1.0
+Content-Transfer-Encoding: 8bit
 
 Result: OK
 EOF
@@ -772,6 +840,8 @@ Subject: [PATCH 1/1] Second.
 Date: DATE-STRING
 Message-Id: MESSAGE-ID-STRING
 X-Mailer: X-MAILER-STRING
+MIME-Version: 1.0
+Content-Transfer-Encoding: 8bit
 
 Result: OK
 EOF
@@ -807,6 +877,8 @@ Subject: [PATCH 1/1] Second.
 Date: DATE-STRING
 Message-Id: MESSAGE-ID-STRING
 X-Mailer: X-MAILER-STRING
+MIME-Version: 1.0
+Content-Transfer-Encoding: 8bit
 
 Result: OK
 EOF
@@ -835,6 +907,8 @@ Subject: [PATCH 1/1] Second.
 Date: DATE-STRING
 Message-Id: MESSAGE-ID-STRING
 X-Mailer: X-MAILER-STRING
+MIME-Version: 1.0
+Content-Transfer-Encoding: 8bit
 
 Result: OK
 EOF