'
+test_expect_success 'mailinfo no options' '
+ subj="$(echo "Subject: [PATCH] [other] [PATCH] message" |
+ git mailinfo /dev/null /dev/null)" &&
+ test z"$subj" = z"Subject: message"
+'
+
+test_expect_success 'mailinfo -k' '
+ subj="$(echo "Subject: [PATCH] [other] [PATCH] message" |
+ git mailinfo -k /dev/null /dev/null)" &&
+ test z"$subj" = z"Subject: [PATCH] [other] [PATCH] message"
+'
+
+test_expect_success 'mailinfo -b no [PATCH]' '
+ subj="$(echo "Subject: [other] message" |
+ git mailinfo -b /dev/null /dev/null)" &&
+ test z"$subj" = z"Subject: [other] message"
+'
+
+test_expect_success 'mailinfo -b leading [PATCH]' '
+ subj="$(echo "Subject: [PATCH] [other] message" |
+ git mailinfo -b /dev/null /dev/null)" &&
+ test z"$subj" = z"Subject: [other] message"
+'
+
+test_expect_success 'mailinfo -b double [PATCH]' '
+ subj="$(echo "Subject: [PATCH] [PATCH] message" |
+ git mailinfo -b /dev/null /dev/null)" &&
+ test z"$subj" = z"Subject: message"
+'
+
+test_expect_failure 'mailinfo -b trailing [PATCH]' '
+ subj="$(echo "Subject: [other] [PATCH] message" |
+ git mailinfo -b /dev/null /dev/null)" &&
+ test z"$subj" = z"Subject: [other] message"
+'
+
+test_expect_failure 'mailinfo -b separated double [PATCH]' '
+ subj="$(echo "Subject: [PATCH] [other] [PATCH] message" |
+ git mailinfo -b /dev/null /dev/null)" &&
+ test z"$subj" = z"Subject: [other] message"
+'
+
test_done