fast-export: deal with tag objects that do not have a tagger

diff --git a/t/t1000-read-tree-m-3way.sh b/t/t1000-read-tree-m-3way.sh
index 17f519f547356d550c16668b929d9140b568a6f7..807fb83af8c65304f1dae2ee35ba0f2909ddf465 100755 (executable)
--- a/t/t1000-read-tree-m-3way.sh
+++ b/t/t1000-read-tree-m-3way.sh
@@ -131,7 +131,7 @@ _x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40"
 
 check_result () {
     git ls-files --stage | sed -e 's/ '"$_x40"' / X /' >current &&
-    git diff expected current
+    test_cmp expected current
 }
 
 # This is done on an empty work directory, which is the normal