reopen_tempfile(): truncate opened file

diff --git a/t/t7400-submodule-basic.sh b/t/t7400-submodule-basic.sh
index d501ab4b613cd351c15c07f7a4fec4c28f6c8981..812db137b8db2f6f8457ccb5d6ab27e0215dbe1a 100755 (executable)
--- a/t/t7400-submodule-basic.sh
+++ b/t/t7400-submodule-basic.sh
@@ -839,6 +839,21 @@ test_expect_success 'moving the superproject does not break submodules' '
        )
 '
 
+test_expect_success 'moving the submodule does not break the superproject' '
+       (
+               cd addtest2 &&
+               git submodule status
+       ) >actual &&
+       sed -e "s/^ \([^ ]* repo\) .*/-\1/" <actual >expect &&
+       mv addtest2/repo addtest2/repo.bak &&
+       test_when_finished "mv addtest2/repo.bak addtest2/repo" &&
+       (
+               cd addtest2 &&
+               git submodule status
+       ) >actual &&
+       test_cmp expect actual
+'
+
 test_expect_success 'submodule add --name allows to replace a submodule with another at the same path' '
        (
                cd addtest2 &&