[OpenSmalltalk/opensmalltalk-vm] 9f4fae: Only deploy if deployment secrets are provided

 
  Branch: refs/heads/Cog
  Home:   https://github.com/OpenSmalltalk/opensmalltalk-vm
  Commit: 9f4fae8b5bca2869c59d6ecd194a20799b830172
      https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/9f4fae8b5bca2869c59d6ecd194a20799b830172
  Author: Fabio Niephaus <[hidden email]>
  Date:   2019-12-30 (Mon, 30 Dec 2019)

  Changed paths:
    M .travis.yml
    M deploy/filter-exec.sh
    M deploy/pharo/filter-exec.sh

  Log Message:
  -----------
  Only deploy if deployment secrets are provided

This avoids build failures when deployment secrets are not provided (e.g. when the repo is forked and tested by someone else).