ci: Add script to perform Bintray upload while avoiding timeout

Author: lpatino10

.travis.yml

@@ -52,7 +52,7 @@ after_success:
 deploy:
 - provider: script
   skip_cleanup: true
-  script: travis_wait 30 ./gradlew bintrayUpload
+  script: ".utility/deploy-travis-wrapper.sh"
   on:
     tags: true
     jdk: openjdk7

.utility/deploy-travis-wrapper.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+./gradlew bintrayUpload &
+
+# output every 9 min to prevent a Travis timeout
+PID=$!
+while [[ `ps -p $PID | tail -n +2` ]]; do
+  echo 'Deploying...'
+  sleep 540
+done