Use v2 branches during build

Author: webflo

.circleci/config.yml

@@ -5,6 +5,7 @@ jobs:
     branches:
       only:
         - master
+        - build-v2
     docker:
       - image: circleci/php:7.1
     steps:

build/build.sh

@@ -5,8 +5,8 @@ cd build
 composer install --no-interaction --no-progress
 rm -rf build-7.x build-8.x
 
-git clone --branch 7.x $REPO build-7.x
-git clone --branch 8.x $REPO build-8.x
+git clone --branch 7.x-v2 $REPO build-7.x
+git clone --branch 8.x-v2 $REPO build-8.x
 
 php build-composer-json.php