From 50564a60ce57820851a7c05ee26c93bf5cfd2a96 Mon Sep 17 00:00:00 2001
From: Vladimir Bashkirtsev <vladimir@bashkirtsev.com>
Date: Wed, 25 Nov 2020 12:10:49 +1030
Subject: [PATCH] do_cmake.sh: do not perform 'git submodule update' if
 building from tarball

Signed-off-by: Vladimir Bashkirtsev <vladimir@bashkirtsev.com>
---
 do_cmake.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/do_cmake.sh b/do_cmake.sh
index 345986d630c..4cb07c106b6 100755
--- a/do_cmake.sh
+++ b/do_cmake.sh
@@ -1,7 +1,9 @@
 #!/usr/bin/env bash
 set -ex
 
-git submodule update --init --recursive
+if [ -d .git ]; then
+    git submodule update --init --recursive
+fi
 
 : ${BUILD_DIR:=build}
 : ${CEPH_GIT_DIR:=..}