diff-parseopt: restore -U (no argument) behavior

diff --git a/t/t4011-diff-symlink.sh b/t/t4011-diff-symlink.sh
index cf0f3a1ee75dd28c6b5ce2a5db7c3ad6afafd21f..5ae19b987d65d081b78c10f5eefd8aaf930c97a8 100755 (executable)
--- a/t/t4011-diff-symlink.sh
+++ b/t/t4011-diff-symlink.sh
@@ -126,7 +126,7 @@ test_expect_success SYMLINKS 'diff symlinks with non-existing targets' '
        ln -s take\ over brain &&
        test_must_fail git diff --no-index pinky brain >output 2>output.err &&
        grep narf output &&
-       ! test -s output.err
+       test_must_be_empty output.err
 '
 
 test_expect_success SYMLINKS 'setup symlinks with attributes' '
@@ -139,11 +139,13 @@ test_expect_success SYMLINKS 'setup symlinks with attributes' '
 test_expect_success SYMLINKS 'symlinks do not respect userdiff config by path' '
        cat >expect <<-\EOF &&
        diff --git a/file.bin b/file.bin
-       index e69de29..d95f3ad 100644
-       Binary files a/file.bin and b/file.bin differ
+       new file mode 100644
+       index 0000000..d95f3ad
+       Binary files /dev/null and b/file.bin differ
        diff --git a/link.bin b/link.bin
-       index e69de29..dce41ec 120000
-       --- a/link.bin
+       new file mode 120000
+       index 0000000..dce41ec
+       --- /dev/null
        +++ b/link.bin
        @@ -0,0 +1 @@
        +file.bin