test-lib: introduce test_line_count to measure files

diff --git a/t/t7400-submodule-basic.sh b/t/t7400-submodule-basic.sh
index 9bda97058499ecab88dc6de7551d7909e1ad5a2e..782b0a3ece7724bf8df7cf4d405715a42ad21d44 100755 (executable)
--- a/t/t7400-submodule-basic.sh
+++ b/t/t7400-submodule-basic.sh
@@ -413,12 +413,13 @@ test_expect_success 'submodule <invalid-path> warns' '
 
 test_expect_success 'add submodules without specifying an explicit path' '
        mkdir repo &&
-       cd repo &&
-       git init &&
-       echo r >r &&
-       git add r &&
-       git commit -m "repo commit 1" &&
-       cd .. &&
+       (
+               cd repo &&
+               git init &&
+               echo r >r &&
+               git add r &&
+               git commit -m "repo commit 1"
+       ) &&
        git clone --bare repo/ bare.git &&
        cd addtest &&
        git submodule add "$submodurl/repo" &&