From 7c21358f3a077f70297335113ec24b7a57c10eb8 Mon Sep 17 00:00:00 2001
From: Johannes Keller <jo.keller@fz-juelich.de>
Date: Thu, 8 Oct 2026 14:46:48 +0200
Subject: [PATCH] Build script: Add --checkout flag to submodule update

- for forcing the update also for CLM3.5
- related to #136
---
 build_tsmp2.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/build_tsmp2.sh b/build_tsmp2.sh
index 9d07bc3..b70cceb 100755
--- a/build_tsmp2.sh
+++ b/build_tsmp2.sh
@@ -95,12 +95,12 @@ if [ -n "${comp_name}" ] && [ -z "${comp_srcname}" ];then
      read -p "submodule ${submodule_name} already exists. Do you want to overwrite it? (y/N) " yn
      if [ "${yn,}" = "y" ];then
         message "Overwrite submodule ${submodule_name}"
-        git submodule update --init --force -- ${submodule_name}
+        git submodule update --init --checkout --force -- ${submodule_name}
      else
         message "Do not overwrite submodule ${submodule_name}"
      fi
   else
-     git submodule update --init -- ${submodule_name}
+     git submodule update --init --checkout -- ${submodule_name}
   fi
 fi # compsrc
 }