Fix auto updation travis issue

update_documentation.sh

@@ -23,10 +23,19 @@ URL=$(git remote -v | head -n1 | cut -f2 | cut -d" " -f1)
 echo "Repo url is $URL"
 PUSH_URL="https://$GIT_USER:$GIT_PASS@${URL:6}"
 
+echo "Checking out $FROM_BRANCH..." && \
+git fetch origin ${FROM_BRANCH}:${FROM_BRANCH} && \
+git checkout ${FROM_BRANCH}
+
+# Get the current branch
+export PAGER=cat
+CURRENT_BRANCH=$(git log -n 1 --pretty=%d HEAD | cut -d"," -f3 | cut -d" " -f2 | cut -d")" -f1)
+echo "current branch is '$CURRENT_BRANCH'"
+
 if [ "$CURRENT_BRANCH" = "$FROM_BRANCH" ] ; then
     # Checkout the dev branch
     #git checkout $FROM_BRANCH && \
-    #echo "Checking out $TO_BRANCH..." && \
+    echo "Checking out $TO_BRANCH..." && \
 
     # Checkout the latest stable
     git fetch origin ${TO_BRANCH}:${TO_BRANCH} && \