From 84b349c0508536c06eef67c9a9281f02768af780 Mon Sep 17 00:00:00 2001
From: Mason Tran <Mason.Tran@silabs.com>
Date: Tue, 6 Feb 2024 20:39:03 -0500
Subject: [PATCH] [script] add pre-build checks that ensure the GSDK submodule
 has been pulled properly

---
 script/bootstrap |  4 +++-
 script/build     | 36 +++++++++++++++++++++++++++++++++++-
 2 files changed, 38 insertions(+), 2 deletions(-)

diff --git a/script/bootstrap b/script/bootstrap
index 260d512e..0e9b7474 100755
--- a/script/bootstrap
+++ b/script/bootstrap
@@ -76,7 +76,9 @@ install_packages_brew()
         coreutils \
         openjdk@11 \
         grep \
-        wget
+        wget \
+        git \
+        git-lfs
 }
 
 install_packages_source()
diff --git a/script/build b/script/build
index 0f690f1f..2bb21772 100755
--- a/script/build
+++ b/script/build
@@ -37,6 +37,7 @@ else
 fi
 script_dir="$(realpath "$(dirname "${script_path}")")"
 repo_dir="$(dirname "${script_dir}")"
+gsdk_dir="${repo_dir}/third_party/silabs/gecko_sdk"
 
 # shellcheck source=script/efr32-definitions
 source "${repo_dir}/script/efr32-definitions"
@@ -46,6 +47,39 @@ source "${repo_dir}/script/util"
 
 set -euxo pipefail
 
+# ==============================================================================
+# Pre-build checks
+
+set +x
+echo "========================================================================================================="
+echo "Check if the Git LFS package is installed"
+echo "========================================================================================================="
+set -x
+if ! git lfs > /dev/null; then
+    set +x
+    echo "ERROR: Git LFS is not installed"
+    echo
+    echo "Please run './script/bootstrap packages'" to install it
+    exit 3
+fi
+
+set +x
+echo "========================================================================================================="
+echo "Ensure Git LFS has been initialized for the GSDK"
+echo "========================================================================================================="
+set -x
+if [ ! -f /Users/mason/repos/ot-efr32/.git/modules/third_party/silabs/gecko_sdk/pre-push ]; then
+    git -C "${gsdk_dir}" lfs install
+fi
+
+set +x
+echo "========================================================================================================="
+echo "Ensure GSDK submodule has been initialized and LFS objects have been pulled"
+echo "========================================================================================================="
+set -x
+git submodule update --init "${gsdk_dir}"
+git -C "${gsdk_dir}" lfs pull
+
 # ==============================================================================
 OT_CMAKE_NINJA_TARGET=${OT_CMAKE_NINJA_TARGET-}
 
@@ -299,7 +333,7 @@ main()
             before_flags+=("--skip-generation")
         fi
 
-        "${repo_dir}"/script/build_example_apps "${before_flags[@]}" "${board}" "${after_flags[@]}" "$@"
+        "${repo_dir}"/script/build_example_apps "${before_flags[@]-}" "${board}" "${after_flags[@]-}" "$@"
 
     fi