test-lib: do not remove trash_directory if called with --debug

diff --git a/t/t6023-merge-file.sh b/t/t6023-merge-file.sh
index 79dc58b2ce962ea133c4796d0dff66eb9684b48a..42620e0732bfdcb0370ca9317670e9ac1e11c735 100755 (executable)
--- a/t/t6023-merge-file.sh
+++ b/t/t6023-merge-file.sh
@@ -63,11 +63,11 @@ test_expect_success "merge without conflict (missing LF at EOF)" \
        "git merge-file test2.txt orig.txt new2.txt"
 
 test_expect_success "merge result added missing LF" \
-       "git diff test.txt test2.txt"
+       "test_cmp test.txt test2.txt"
 
 cp test.txt backup.txt
 test_expect_success "merge with conflicts" \
-       "! git merge-file test.txt orig.txt new3.txt"
+       "test_must_fail git merge-file test.txt orig.txt new3.txt"
 
 cat > expect.txt << EOF
 <<<<<<< test.txt
@@ -86,11 +86,11 @@ non timebo mala, quoniam tu mecum es:
 virga tua et baculus tuus ipsa me consolata sunt.
 EOF
 
-test_expect_success "expected conflict markers" "git diff test.txt expect.txt"
+test_expect_success "expected conflict markers" "test_cmp test.txt expect.txt"
 
 cp backup.txt test.txt
 test_expect_success "merge with conflicts, using -L" \
-       "! git merge-file -L 1 -L 2 test.txt orig.txt new3.txt"
+       "test_must_fail git merge-file -L 1 -L 2 test.txt orig.txt new3.txt"
 
 cat > expect.txt << EOF
 <<<<<<< 1
@@ -110,11 +110,11 @@ virga tua et baculus tuus ipsa me consolata sunt.
 EOF
 
 test_expect_success "expected conflict markers, with -L" \
-       "git diff test.txt expect.txt"
+       "test_cmp test.txt expect.txt"
 
 sed "s/ tu / TU /" < new1.txt > new5.txt
 test_expect_success "conflict in removed tail" \
-       "! git merge-file -p orig.txt new1.txt new5.txt > out"
+       "test_must_fail git merge-file -p orig.txt new1.txt new5.txt > out"
 
 cat > expect << EOF
 Dominus regit me,
@@ -132,10 +132,11 @@ virga tua et baculus tuus ipsa me consolata sunt.
 >>>>>>> new5.txt
 EOF
 
-test_expect_success "expected conflict markers" "git diff expect out"
+test_expect_success "expected conflict markers" "test_cmp expect out"
 
 test_expect_success 'binary files cannot be merged' '
-       ! git merge-file -p orig.txt ../test4012.png new1.txt 2> merge.err &&
+       test_must_fail git merge-file -p \
+               orig.txt "$TEST_DIRECTORY"/test4012.png new1.txt 2> merge.err &&
        grep "Cannot merge binary files" merge.err
 '
 
@@ -144,7 +145,7 @@ sed -e "s/deerit.$/deerit,/" -e "s/me;$/me,/" < new5.txt > new7.txt
 
 test_expect_success 'MERGE_ZEALOUS simplifies non-conflicts' '
 
-       ! git merge-file -p new6.txt new5.txt new7.txt > output &&
+       test_must_fail git merge-file -p new6.txt new5.txt new7.txt > output &&
        test 1 = $(grep ======= < output | wc -l)
 
 '
@@ -154,7 +155,8 @@ sed -e 's/deerit./&\n\n\n\n/' -e "s/locavit,/locavit --/" < new7.txt > new9.txt
 
 test_expect_success 'ZEALOUS_ALNUM' '
 
-       ! git merge-file -p new8.txt new5.txt new9.txt > merge.out &&
+       test_must_fail git merge-file -p \
+               new8.txt new5.txt new9.txt > merge.out &&
        test 1 = $(grep ======= < merge.out | wc -l)
 
 '