Remove gem version constraints and avoid installing pry in Travis

.travis.yml

@@ -1,16 +1,25 @@
 sudo: false
-rvm:
-  - 2.5.1
-  - 2.4.4
-bundler_args: "--jobs 7 --without docs local"
+language: ruby
+
+matrix:
+  include:
+    - rvm: 2.4.4
+    - rvm: 2.5.1
+    - rvm: ruby-head
+  allow_failures:
+    - rvm: ruby-head
+bundler_args: "--jobs 7 --without docs debug"
 branches:
   only:
     - 2.0-stable
     - 3.0-stable
     - master
 before_install:
-  - gem update --system
+  - gem --version
+  - rvm @global do gem uninstall bundler -a -x -I || true
   - gem install bundler
+  - bundle --version
+  - rm -f .bundle/config
 before_script:
   - git config --global user.email "[email protected]"
   - git config --global user.name "Pink Panther"

Gemfile

@@ -1,12 +1,15 @@
 source "https://rubygems.org"
-gemspec
 
-# net-ssh 4.x does not work with Ruby 2.2 on Windows. Chef and ChefDK
-# are pinned to 3.2 so pinning that here. Only used by fauxhai in this project
-gem "net-ssh", "3.2.0"
+gemspec
 
 group :docs do
-  gem "yard",          "~> 0.9"
-  gem "redcarpet",     "~> 2.2.2"
-  gem "github-markup", "~> 0.7"
+  gem "yard"
+  gem "redcarpet"
+  gem "github-markup"
+end
+
+group :debug do
+  gem "pry"
+  gem "pry-byebug"
+  gem "pry-stack_explorer"
 end

lib/omnibus/metadata.rb

@@ -187,7 +187,7 @@ def truncate_platform_version(platform_version, platform)
           # than the platform version. Take a look at the following file for the
           # details:
           #
-          #   https://github.com/opscode/chef/blob/master/lib/chef/win32/version.rb
+          #   https://github.com/chef/chef/blob/master/lib/chef/win32/version.rb
           #
           # As we don't need to be exact here the simple mapping below is based on:
           #

omnibus.gemspec

@@ -45,5 +45,4 @@ Gem::Specification.new do |gem|
   gem.add_development_dependency "webmock"
   gem.add_development_dependency "rake"
   gem.add_development_dependency "appbundler"
-  gem.add_development_dependency "pry"
 end