sha1-lookup: handle duplicates in sha1_pos()

diff --git a/t/t2201-add-update-typechange.sh b/t/t2201-add-update-typechange.sh
index 2e8f70245204bd4dc78e67f227e86838e1cdad5b..954fc51e5b560af918661a0ee051521a43f4efba 100755 (executable)
--- a/t/t2201-add-update-typechange.sh
+++ b/t/t2201-add-update-typechange.sh
@@ -4,8 +4,6 @@ test_description='more git add -u'
 
 . ./test-lib.sh
 
-_z40=0000000000000000000000000000000000000000
-
 test_expect_success setup '
        >xyzzy &&
        _empty=$(git hash-object --stdin <xyzzy) &&