Merge pull request #759 from heroku/update-travis

Update travis setup for Hatchet

.gitignore

@@ -4,3 +4,6 @@ site
 
 /.envrc
 repos/*
+
+#Venv
+buildpack/*

.travis.yml

 language: ruby
 dist: trusty
+sudo: required
 rvm:
 - 2.4.4
 before_script:
   - gem install bundler -v 1.16.2
   - bundle exec rake hatchet:setup_travis
-addons:
-  apt:
-    sources:
-    - heroku
-    packages:
-    - heroku-toolbelt
+before_install:
+  - sudo bash etc/ci-setup.sh
 jobs:
   include:
   - stage: Bash linting (shellcheck)

etc/ci-setup.sh

+#!/usr/bin/env bash
+
+sudo apt-get -qq update
+sudo apt-get install software-properties-common
+curl --fail --retry 3 --retry-delay 1 --connect-timeout 3 --max-time 30 https://cli-assets.heroku.com/install-ubuntu.sh | sh