[WIP] Display a branch name

Author: cocoatomo

scripts/before_install_3.7

@@ -4,6 +4,7 @@ set -eux
 ls -la ${BASEDIR}
 git config --global user.email "[email protected]"
 git config --global user.name "Autobuild bot on TravisCI"
+git branch
 git checkout ${DOCS_BRANCH}
 
 # extract secrets