write_entry(): separate two helper functions out

diff --git a/t/t4031-diff-rewrite-binary.sh b/t/t4031-diff-rewrite-binary.sh
index 7e7b307a24606131b4880817a0056af11973f3d2..7d7470f21b66a937e7414f4fe5419f8830fd8e86 100755 (executable)
--- a/t/t4031-diff-rewrite-binary.sh
+++ b/t/t4031-diff-rewrite-binary.sh
@@ -44,6 +44,13 @@ test_expect_success 'rewrite diff can show binary patch' '
        grep "GIT binary patch" diff
 '
 
+test_expect_success 'rewrite diff --stat shows binary changes' '
+       git diff -B --stat --summary >diff &&
+       grep "Bin" diff &&
+       grep "0 insertions.*0 deletions" diff &&
+       grep " rewrite file" diff
+'
+
 {
        echo "#!$SHELL_PATH"
        cat <<'EOF'