diff --git a/prepare-build.sh b/prepare-build.sh
new file mode 100644
index 0000000..3396fea
--- /dev/null
+++ b/prepare-build.sh
@@ -0,0 +1,65 @@
+#!/bin/bash
+
+RED='\033[0;31m'
+NC='\033[0m' # No Color
+
+cd ~
+
+sudo apt-get install python
+sudo apt-get install wiggle
+
+echo -e ${RED} -------- download bromite repo ${NC}
+git clone https://github.com/bromite/bromite
+cd ~/bromite
+git fetch
+git pull
+
+VERSION=$( cat ~/bromite/build/RELEASE )
+echo -e ${RED} -------- lastest version is: $VERSION ${NC}
+
+cd ~
+git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git
+PATH=~/gitui:~/chromium/src/third_party/llvm-build/Release+Asserts/bin:~/depot_tools/:/usr/local/go/bin:$PATH
+
+echo -e ${RED} -------- download chromium repo ${NC}
+mkdir ~/chromium
+cd ~/chromium
+
+gclient root
+
+mkdir ~/chromium/src
+cd ~/chromium/src
+
+git init
+git remote add origin https://chromium.googlesource.com/chromium/src.git
+
+git fetch --depth 2 https://chromium.googlesource.com/chromium/src.git +refs/tags/$VERSION:chromium_$VERSION
+git checkout $VERSION
+VERSION_SHA=$( git show-ref -s $VERSION | head -n1 )
+
+echo >~/chromium/.gclient "solutions = ["
+echo >>~/chromium/.gclient "  { \"name\"        : 'src',"
+echo >>~/chromium/.gclient "    \"url\"         : 'https://chromium.googlesource.com/chromium/src.git@$VERSION_SHA',"
+echo >>~/chromium/.gclient "    \"deps_file\"   : 'DEPS',"
+echo >>~/chromium/.gclient "    \"managed\"     : True,"
+echo >>~/chromium/.gclient "    \"custom_deps\" : {"
+echo >>~/chromium/.gclient "    },"
+echo >>~/chromium/.gclient "    \"custom_vars\": {},"
+echo >>~/chromium/.gclient "  },"
+echo >>~/chromium/.gclient "]"
+echo >>~/chromium/.gclient "target_os=['android']"
+
+#echo -e ${RED} -------- sync other chromium repos ${NC}
+
+#gclient metrics --opt-out
+git submodule foreach git config -f ~/chromium/src/.git/config submodule.$name.ignore all
+git config --add remote.origin.fetch '+refs/tags/*:refs/tags/*'
+#git config diff.ignoreSubmodules all
+
+gclient sync -D --no-history --nohooks --output-json=gclient-sync.log
+
+git config user.email "you@example.com"
+git config user.name "Your Name"
+
+# remove origin for chromium
+git remote remove origin