From 327e6efde72f4c1a6715a8296892314fcc7fe5b9 Mon Sep 17 00:00:00 2001
From: Shane da Silva <shane@dasilva.io>
Date: Wed, 9 Jan 2019 21:43:55 -0800
Subject: [PATCH] Fix broken Travis builds

Recent deprecations in RubyGems and version constraints in Bundler 2.0.0
require us to be more explicit in our build steps in order for builds to
pass. Skip builds on certain versions and specify an explicit constraint
when installing Bundler.
---
 .travis.yml | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 6601ef7..ae2cd6f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,8 +20,9 @@ cache: bundler
 
 before_install:
   - "echo 'gem: --no-document' > ~/.gemrc"
-  - gem update --system
-  - gem install bundler  # Necessary to fix 1.9.3
+  # RubyGems update is supported for Ruby 2.3 and later
+  - if $(ruby -e "puts Gem::Version.new(RUBY_VERSION) >= Gem::Version.new('2.3')"); then gem update --system; fi
+  - gem install bundler --version '~> 1.17'
 
 env:
   global: