test format-patch -s: make sure MIME content type is shown as needed

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t4021-format-patch-signer-mime.sh b/t/t4021-format-patch-signer-mime.sh
new file mode 100755 (executable)
index 0000000..67a70fa
--- /dev/null
+++ b/t/t4021-format-patch-signer-mime.sh
@@ -0,0 +1,42 @@
+#!/bin/sh
+
+test_description='format-patch -s should force MIME encoding as needed'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+
+       >F &&
+       git add F &&
+       git commit -m initial &&
+       echo new line >F &&
+
+       test_tick &&
+       git commit -m "This adds some lines to F" F
+
+'
+
+test_expect_success 'format normally' '
+
+       git format-patch --stdout -1 >output &&
+       ! grep Content-Type output
+
+'
+
+test_expect_success 'format with signoff without funny signer name' '
+
+       git format-patch -s --stdout -1 >output &&
+       ! grep Content-Type output
+
+'
+
+test_expect_success 'format with non ASCII signer name' '
+
+       GIT_COMMITTER_NAME="\e$B$O$^$N\e(B \e$B$U$K$*$&\e(B" \
+       git format-patch -s --stdout -1 >output &&
+       grep Content-Type output
+
+'
+
+test_done
+