builtin-commit: use reduce_heads() only when appropriate

diff --git a/t/t6023-merge-file.sh b/t/t6023-merge-file.sh
index 20786ce79da82456ba7603b868e8ca1130fe06bd..f8942bc8908fb92b1b11580e3554a81377dc3ba1 100755 (executable)
--- a/t/t6023-merge-file.sh
+++ b/t/t6023-merge-file.sh
@@ -136,7 +136,7 @@ test_expect_success "expected conflict markers" "test_cmp expect out"
 
 test_expect_success 'binary files cannot be merged' '
        test_must_fail git merge-file -p \
-               orig.txt ../test4012.png new1.txt 2> merge.err &&
+               orig.txt "$TEST_DIRECTORY"/test4012.png new1.txt 2> merge.err &&
        grep "Cannot merge binary files" merge.err
 '
 
@@ -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' '
 
@@ -192,10 +192,17 @@ non timebo mala, quoniam TU mecum es:
 virga tua et baculus tuus ipsa me consolata sunt.
 EOF
 
-test_expect_success '"diff3 -m" style output' '
+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