unpack_object_header(): make it public

diff --git a/t/t1504-ceiling-dirs.sh b/t/t1504-ceiling-dirs.sh
index df5ad8c686a959c9b03355c1ebc325f3c755ed46..cce87a5ab523d3a4232e9e11863aa3a6e8ca0211 100755 (executable)
--- a/t/t1504-ceiling-dirs.sh
+++ b/t/t1504-ceiling-dirs.sh
@@ -9,8 +9,9 @@ test_prefix() {
 }
 
 test_fail() {
-       test_expect_code 128 "$1: prefix" \
-       "git rev-parse --show-prefix"
+       test_expect_success "$1: prefix" '
+               test_expect_code 128 git rev-parse --show-prefix
+       '
 }
 
 TRASH_ROOT="$PWD"