t9101: use "git hash-object" without dash

diff --git a/t/t4007-rename-3.sh b/t/t4007-rename-3.sh
index 104a4e1492b65a64d061e1ce1df0b0a2a49fb20e..42072d724ef67c51e6a9adcf9bf8e3ca1757e053 100755 (executable)
--- a/t/t4007-rename-3.sh
+++ b/t/t4007-rename-3.sh
@@ -7,12 +7,12 @@ test_description='Rename interaction with pathspec.
 
 '
 . ./test-lib.sh
-. ../diff-lib.sh ;# test-lib chdir's into trash
+. "$TEST_DIRECTORY"/diff-lib.sh ;# test-lib chdir's into trash
 
 test_expect_success \
     'prepare reference tree' \
     'mkdir path0 path1 &&
-     cp ../../COPYING path0/COPYING &&
+     cp "$TEST_DIRECTORY"/../COPYING path0/COPYING &&
      git update-index --add path0/COPYING &&
     tree=$(git write-tree) &&
     echo $tree'