t1010: add mktree test

diff --git a/t/t9301-fast-export.sh b/t/t9301-fast-export.sh
index 4a87f3625800eba388aae336909b765fea431ea1..8da9ce54596416af6fc9779a5ac3f7131958aec8 100755 (executable)
--- a/t/t9301-fast-export.sh
+++ b/t/t9301-fast-export.sh
@@ -8,6 +8,9 @@ test_description='git fast-export'
 
 test_expect_success 'setup' '
 
+       echo break it > file0 &&
+       git add file0 &&
+       test_tick &&
        echo Wohlauf > file &&
        git add file &&
        test_tick &&
@@ -57,8 +60,8 @@ test_expect_success 'fast-export master~2..master' '
                (cd new &&
                 git fast-import &&
                 test $MASTER != $(git rev-parse --verify refs/heads/partial) &&
-                git diff master..partial &&
-                git diff master^..partial^ &&
+                git diff --exit-code master partial &&
+                git diff --exit-code master^ partial^ &&
                 test_must_fail git rev-parse partial~2)
 
 '