read_loose_refs(): eliminate ref_cache argument

diff --git a/t/t5302-pack-index.sh b/t/t5302-pack-index.sh
index f8fa92446cfc46309468b4ecf142b74b1a812985..fe82025d4a0dbae0cee3d0c3943617ede5b5c7a5 100755 (executable)
--- a/t/t5302-pack-index.sh
+++ b/t/t5302-pack-index.sh
@@ -73,6 +73,10 @@ test_expect_success 'index-pack --verify on index version 2' '
        git index-pack --verify "test-2-${pack2}.pack"
 '
 
+test_expect_success \
+    'pack-objects --index-version=2, is not accepted' \
+    'test_must_fail git pack-objects --index-version=2, test-3 <obj-list'
+
 test_expect_success \
     'index v2: force some 64-bit offsets with pack-objects' \
     'pack3=$(git pack-objects --index-version=2,0x40000 test-3 <obj-list)'