[PATCH] lib-submodule-update.sh: reduce use of subshell by using git -C

[Stefan Beller]

In modern Git we prefer
    "git -C <cmd>"
over
    "(cd <somewhere && git <cmd>)"
as it doesn't need an extra shell.

Signed-off-by: Stefan Beller <sbel...@google.com>
---
 t/lib-submodule-update.sh | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/t/lib-submodule-update.sh b/t/lib-submodule-update.sh
index 79cdd34a54..915eb4a7c6 100755
--- a/t/lib-submodule-update.sh
+++ b/t/lib-submodule-update.sh
@@ -69,10 +69,7 @@ create_lib_submodule_repo () {
 
                git checkout -b "replace_sub1_with_directory" "add_sub1" &&
                git submodule update &&
-               (
-                       cd sub1 &&
-                       git checkout modifications
-               ) &&
+               git -C sub1 checkout modifications &&
                git rm --cached sub1 &&
                rm sub1/.git* &&
                git config -f .gitmodules --remove-section "submodule.sub1" &&
-- 
2.11.0.300.g08194d1431