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-rwxr-xr-xt/t4017-diff-retval.sh14
1 files changed, 14 insertions, 0 deletions
diff --git a/t/t4017-diff-retval.sh b/t/t4017-diff-retval.sh
index 0d0fb87f57..60dd2014d5 100755
--- a/t/t4017-diff-retval.sh
+++ b/t/t4017-diff-retval.sh
@@ -113,4 +113,18 @@ test_expect_success 'check should test not just the last line' '
'
+test_expect_success 'check detects leftover conflict markers' '
+ git reset --hard &&
+ git checkout HEAD^ &&
+ echo binary >>b &&
+ git commit -m "side" b &&
+ test_must_fail git merge master &&
+ git add b && (
+ git --no-pager diff --cached --check >test.out
+ test $? = 2
+ ) &&
+ test 3 = $(grep "conflict marker" test.out | wc -l) &&
+ git reset --hard
+'
+
test_done