do not segfault if make_cache_entry failed

diff --git a/t/t6023-merge-file.sh b/t/t6023-merge-file.sh
index 42620e0732bfdcb0370ca9317670e9ac1e11c735..f8942bc8908fb92b1b11580e3554a81377dc3ba1 100755 (executable)
--- a/t/t6023-merge-file.sh
+++ b/t/t6023-merge-file.sh
@@ -150,8 +150,8 @@ test_expect_success 'MERGE_ZEALOUS simplifies non-conflicts' '
 
 '
 
-sed -e 's/deerit./&\n\n\n\n/' -e "s/locavit,/locavit;/" < new6.txt > new8.txt
-sed -e 's/deerit./&\n\n\n\n/' -e "s/locavit,/locavit --/" < new7.txt > new9.txt
+sed -e 's/deerit./&%%%%/' -e "s/locavit,/locavit;/"< new6.txt | tr '%' '\012' > new8.txt
+sed -e 's/deerit./&%%%%/' -e "s/locavit,/locavit --/" < new7.txt | tr '%' '\012' > new9.txt
 
 test_expect_success 'ZEALOUS_ALNUM' '
 
@@ -161,4 +161,48 @@ test_expect_success 'ZEALOUS_ALNUM' '
 
 '
 
+cat >expect <<\EOF
+Dominus regit me,
+<<<<<<< new8.txt
+et nihil mihi deerit;
+
+
+
+
+In loco pascuae ibi me collocavit;
+super aquam refectionis educavit me.
+|||||||
+et nihil mihi deerit.
+In loco pascuae ibi me collocavit,
+super aquam refectionis educavit me;
+=======
+et nihil mihi deerit,
+
+
+
+
+In loco pascuae ibi me collocavit --
+super aquam refectionis educavit me,
+>>>>>>> new9.txt
+animam meam convertit,
+deduxit me super semitas jusitiae,
+propter nomen suum.
+Nam et si ambulavero in medio umbrae mortis,
+non timebo mala, quoniam TU mecum es:
+virga tua et baculus tuus ipsa me consolata sunt.
+EOF
+
+test_expect_success '"diff3 -m" style output (1)' '
+       test_must_fail git merge-file -p --diff3 \
+               new8.txt new5.txt new9.txt >actual &&
+       test_cmp expect actual
+'
+
+test_expect_success '"diff3 -m" style output (2)' '
+       git config merge.conflictstyle diff3 &&
+       test_must_fail git merge-file -p \
+               new8.txt new5.txt new9.txt >actual &&
+       test_cmp expect actual
+'
+
 test_done