Add check for changes in master branch

check-master-for-changes.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+commitdate=$(curl -sL "https://api.github.com/repos/resoai/TileBoard/commits/master" | jq -r ".commit.author.date")
+commitdays=$(( ( $(date --utc +%s) - $(date --utc -d $commitdate +%s) ) / 86400 ))
+echo "Last commit was $commitdays days ago."
+
+if [ $commitdays -lt 2 ] ; then
+  echo "There ARE recent changes in the repository."
+else
+  echo "There are NO recent changes in the repository."
+  echo "Aborting pipeline."
+  exit 78 # drone.io exit code to stop but success the pipeline
+fi