Do not allow local remote sync while remote local is in progress

scripts/remote-local.sh

@@ -1,3 +1,7 @@
+REMOTE_PROGRESS=".remote-in-progress"
+
+touch $REMOTE_PROGRESS
+
 sshpass -p "${SERVER_PASSWORD}" \
     rsync -avzu \
     `# Version control and editor files` \
@@ -26,3 +30,5 @@ sshpass -p "${SERVER_PASSWORD}" \
     --exclude split-conflicts.sh \
     -e ssh "${SERVER_USER}@${SERVER_HOST}:${SERVER_PATH}" . \
     $1
+
+rm $REMOTE_PROGRESS