From b242882ac556e1a3e4756794414740ab007bedf7 Mon Sep 17 00:00:00 2001
From: Links <help.markus+gitk@gmail.com>
Date: Thu, 17 Jun 2021 19:56:45 +0200
Subject: [PATCH] add git submodule update --init to esp8266 build

---
 travis/common.sh | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/travis/common.sh b/travis/common.sh
index 234b1f6..81d60e9 100644
--- a/travis/common.sh
+++ b/travis/common.sh
@@ -28,7 +28,7 @@ function build_sketches()
 }
 
 function build_sketch()
-{    
+{
     local arduino=$1
     local sketch=$2
     $arduino --verify $sketch;
@@ -60,7 +60,7 @@ function get_sketches_json()
         if [[ $sketch != ${sketches[-1]} ]] ; then
             echo -en ","
         fi
-        
+
     done
     echo -en "]"
 }
@@ -97,6 +97,7 @@ function get_core()
         cd esp8266com
         git clone --depth 1 https://github.com/esp8266/Arduino.git esp8266
         cd esp8266/
+        git submodule update --init
         rm -rf .git
         cd tools
         python get.py
@@ -127,5 +128,5 @@ function clone_library() {
 
 function hash_library_names() {
     cd $HOME/Arduino/libraries
-    ls | sha1sum -z | cut -c1-5 
+    ls | sha1sum -z | cut -c1-5
 }
\ No newline at end of file