get_ref_dir(): take the containing directory as argument

diff --git a/t/t4031-diff-rewrite-binary.sh b/t/t4031-diff-rewrite-binary.sh
index 7d7470f21b66a937e7414f4fe5419f8830fd8e86..c8296fa4fc1fbfe2645554d4818ae586d1cc2a14 100755 (executable)
--- a/t/t4031-diff-rewrite-binary.sh
+++ b/t/t4031-diff-rewrite-binary.sh
@@ -44,10 +44,16 @@ test_expect_success 'rewrite diff can show binary patch' '
        grep "GIT binary patch" diff
 '
 
-test_expect_success 'rewrite diff --stat shows binary changes' '
+test_expect_success 'rewrite diff --numstat shows binary changes' '
+       git diff -B --numstat --summary >diff &&
+       grep -e "-      -       " diff &&
+       grep " rewrite file" diff
+'
+
+test_expect_success 'diff --stat counts binary rewrite as 0 lines' '
        git diff -B --stat --summary >diff &&
        grep "Bin" diff &&
-       grep "0 insertions.*0 deletions" diff &&
+       test_i18ngrep "0 insertions.*0 deletions" diff &&
        grep " rewrite file" diff
 '