From 23eddfb2a2242fa1bad2570a39779e4e0db497cc Mon Sep 17 00:00:00 2001
From: Ciro Santilli <ciro.santilli@gmail.com>
Date: Thu, 16 Nov 2017 23:03:59 +0000
Subject: [PATCH] Shallow clone to save clone time and disk space

---
 .gitmodules        | 2 +-
 configure          | 4 ++++
 getting-started.md | 2 +-
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/.gitmodules b/.gitmodules
index 70c8843..eb2bb23 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,7 +1,7 @@
 [submodule "buildroot"]
 	path = buildroot
 	url = https://github.com/buildroot/buildroot
-    ignore = dirty
+	ignore = dirty
 [submodule "qemu"]
 	path = qemu
 	url = https://github.com/cirosantilli/qemu
diff --git a/configure b/configure
index 2dd5982..ca4fecb 100755
--- a/configure
+++ b/configure
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+set -ex
 y=''
 while getopts t OPT; do
   case "$OPT" in
@@ -8,6 +9,9 @@ while getopts t OPT; do
   esac
 done
 shift $(($OPTIND - 1))
+git submodule update --depth 1 --jobs 4 --init
+cd qemu
+git submodule update --init
 sudo apt-get update $y
 # Building SDL for QEMU in Buildroot was rejected upstream because it adds many dependencies:
 # https://patchwork.ozlabs.org/patch/770684/
diff --git a/getting-started.md b/getting-started.md
index b81e099..9679acf 100644
--- a/getting-started.md
+++ b/getting-started.md
@@ -44,7 +44,7 @@ The only advantage of using your host machine is that you don't have to wait som
 
 Reserve 12Gb of disk:
 
-    git clone --recursive https://github.com/cirosantilli/linux-kernel-module-cheat
+    git clone https://github.com/cirosantilli/linux-kernel-module-cheat
     cd linux-kernel-module-cheat
     ./configure
     ./build