t1510: setup case #20

diff --git a/t/t4017-diff-retval.sh b/t/t4017-diff-retval.sh
index 0391a5827ea8ba196b7796b7df818f8ac860c387..61589853df55e063fbe6489fc9c6effc4a9f33b6 100755 (executable)
--- a/t/t4017-diff-retval.sh
+++ b/t/t4017-diff-retval.sh
@@ -120,7 +120,6 @@ test_expect_success '--check with --no-pager returns 2 for dirty difference' '
 
 '
 
-
 test_expect_success 'check should test not just the last line' '
        echo "" >>a &&
        git --no-pager diff --check
@@ -142,4 +141,26 @@ test_expect_success 'check detects leftover conflict markers' '
        git reset --hard
 '
 
+test_expect_success 'check honors conflict marker length' '
+       git reset --hard &&
+       echo ">>>>>>> boo" >>b &&
+       echo "======" >>a &&
+       git diff --check a &&
+       (
+               git diff --check b
+               test $? = 2
+       ) &&
+       git reset --hard &&
+       echo ">>>>>>>> boo" >>b &&
+       echo "========" >>a &&
+       git diff --check &&
+       echo "b conflict-marker-size=8" >.gitattributes &&
+       (
+               git diff --check b
+               test $? = 2
+       ) &&
+       git diff --check a &&
+       git reset --hard
+'
+
 test_done