test-lib: allow negation of prerequisites

diff --git a/t/t4120-apply-popt.sh b/t/t4120-apply-popt.sh
index 579c9e61054521301464bfc31351040d45966836..c5fecdfed43dc5682307dd0fdb66ddd78dece056 100755 (executable)
--- a/t/t4120-apply-popt.sh
+++ b/t/t4120-apply-popt.sh
@@ -6,6 +6,7 @@
 test_description='git apply -p handling.'
 
 . ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-prereq-FILEMODE.sh
 
 test_expect_success setup '
        mkdir sub &&
@@ -31,7 +32,7 @@ test_expect_success 'apply git diff with -p2' '
 test_expect_success 'apply with too large -p' '
        cp file1.saved file1 &&
        test_must_fail git apply --stat -p3 patch.file 2>err &&
-       grep "removing 3 leading" err
+       test_i18ngrep "removing 3 leading" err
 '
 
 test_expect_success 'apply (-p2) traditional diff with funny filenames' '
@@ -53,7 +54,7 @@ test_expect_success 'apply (-p2) traditional diff with funny filenames' '
 test_expect_success 'apply with too large -p and fancy filename' '
        cp file1.saved file1 &&
        test_must_fail git apply --stat -p3 patch.escaped 2>err &&
-       grep "removing 3 leading" err
+       test_i18ngrep "removing 3 leading" err
 '
 
 test_expect_success 'apply (-p2) diff, mode change only' '
@@ -62,8 +63,12 @@ test_expect_success 'apply (-p2) diff, mode change only' '
        old mode 100644
        new mode 100755
        EOF
-       chmod 644 file1 &&
-       git apply -p2 patch.chmod &&
+       test_chmod -x file1 &&
+       git apply --index -p2 patch.chmod &&
+       case $(git ls-files -s file1) in 100755*) : good;; *) false;; esac
+'
+
+test_expect_success FILEMODE 'file mode was changed' '
        test -x file1
 '