do_cmake.sh: Use shallow submodule clones

Signed-off-by: Zack Cerza <zack@redhat.com>

diff --git a/do_cmake.sh b/do_cmake.sh
index 8177e72639606be85c75d363268b5a50485794db..9f84396786d93b6576afb2bfe4b5338fe73da69f 100755 (executable)
--- a/do_cmake.sh
+++ b/do_cmake.sh
@@ -2,7 +2,7 @@
 set -ex
 
 if [ -d .git ]; then
-    git submodule update --init --recursive --progress
+    git submodule update --init --recursive --progress --recommend-shallow
 fi
 
 : ${BUILD_DIR:=build}