update build script

libs/get_source.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+set -e
+
+source libs/deploy_common.sh
+
+#### get source ####
+COMMIT_M=$(cat matsuri_commit.txt)
+COMMIT_V=$(cat core_commit.txt)
+
+pushd ..
+
+git clone --no-checkout https://github.com/MatsuriDayo/Matsuri.git
+git clone --no-checkout https://github.com/MatsuriDayo/v2ray-core.git
+
+pushd Matsuri
+git checkout $COMMIT_M
+popd
+
+pushd v2ray-core
+git checkout $COMMIT_V
+popd
+
+popd