update scripts

Author: tangjinzhou

scripts/deploy-to-gh-pages.sh

@@ -2,7 +2,10 @@
 
 set -e # exit with nonzero exit code if anything fails
 
-if [[ $TRAVIS_BRANCH == "master" && $TRAVIS_PULL_REQUEST == "false" ]]; then
+BUMP="bump "
+SITE="update site"
+
+if [[ $TRAVIS_BRANCH == "master" && $TRAVIS_PULL_REQUEST == "false" ]] && [[ $TRAVIS_COMMIT_MESSAGE == *$BUMP* || $TRAVIS_COMMIT_MESSAGE == $SITE ]]; then
 
 echo "Starting to update gh-pages\n"