write_index: optionally allow broken null sha1s

diff --git a/t/t6001-rev-list-graft.sh b/t/t6001-rev-list-graft.sh
index fc57e7d3fd69c60144ee3fb3f66b252a67369b42..8efcd130795890c36dfe6c5c630d2be44c6e1699 100755 (executable)
--- a/t/t6001-rev-list-graft.sh
+++ b/t/t6001-rev-list-graft.sh
@@ -90,22 +90,22 @@ check () {
 for type in basic parents parents-raw
 do
        test_expect_success 'without grafts' "
-               rm -f .git/info/grafts
+               rm -f .git/info/grafts &&
                check $type $B2 -- $B2 $B1 $B0
        "
 
        test_expect_success 'with grafts' "
-               echo '$B0 $A2' >.git/info/grafts
+               echo '$B0 $A2' >.git/info/grafts &&
                check $type $B2 -- $B2 $B1 $B0 $A2 $A1 $A0
        "
 
        test_expect_success 'without grafts, with pathlimit' "
-               rm -f .git/info/grafts
+               rm -f .git/info/grafts &&
                check $type $B2 subdir -- $B2 $B0
        "
 
        test_expect_success 'with grafts, with pathlimit' "
-               echo '$B0 $A2' >.git/info/grafts
+               echo '$B0 $A2' >.git/info/grafts &&
                check $type $B2 subdir -- $B2 $B0 $A2 $A0
        "