t4208: abstract away SHA-1-specific constants

diff --git a/t/t3101-ls-tree-dirname.sh b/t/t3101-ls-tree-dirname.sh
index 327ded4000b47cf3f4da42515fb803c47c0bd742..12bf31022a871c4d2e43866ec6053c55205a3476 100755 (executable)
--- a/t/t3101-ls-tree-dirname.sh
+++ b/t/t3101-ls-tree-dirname.sh
@@ -40,7 +40,7 @@ test_expect_success 'setup' '
 '
 
 test_output () {
-       sed -e "s/ $_x40        / X     /" <current >check &&
+       sed -e "s/ $OID_REGEX   / X     /" <current >check &&
        test_cmp expected check
 }