get_ref_dir(): return early if directory cannot be read

diff --git a/t/t4045-diff-relative.sh b/t/t4045-diff-relative.sh
index bd119be106f1a2d6d91f982a1bf8afcbf6b8c831..18fadcf06eac8054574fed153058776a447897ac 100755 (executable)
--- a/t/t4045-diff-relative.sh
+++ b/t/t4045-diff-relative.sh
@@ -29,6 +29,18 @@ test_expect_success "-p $*" "
 "
 }
 
+check_numstat() {
+expect=$1; shift
+cat >expected <<EOF
+1      0       $expect
+EOF
+test_expect_success "--numstat $*" "
+       echo '1 0       $expect' >expected &&
+       git diff --numstat $* HEAD^ >actual &&
+       test_cmp expected actual
+"
+}
+
 check_stat() {
 expect=$1; shift
 cat >expected <<EOF
@@ -37,7 +49,7 @@ cat >expected <<EOF
 EOF
 test_expect_success "--stat $*" "
        git diff --stat $* HEAD^ >actual &&
-       test_cmp expected actual
+       test_i18ncmp expected actual
 "
 }
 
@@ -52,7 +64,7 @@ test_expect_success "--raw $*" "
 "
 }
 
-for type in diff stat raw; do
+for type in diff numstat stat raw; do
        check_$type file2 --relative=subdir/
        check_$type file2 --relative=subdir
        check_$type dir/file2 --relative=sub