(MODULES-3704) Update gemfile template to be identical

Gemfile

@@ -2,53 +2,87 @@
 
 source ENV['GEM_SOURCE'] || "https://rubygems.org"
 
-def location_from_env(env, default_location = [])
-  if location = ENV[env]
-    if location =~ /^((?:git|https?)[:@][^#]*)#(.*)/
-      [{ :git => $1, :branch => $2, :require => false }]
-    elsif location =~ /^file:\/\/(.*)/
-      ['>= 0', { :path => File.expand_path($1), :require => false }]
-    else
-      [location, { :require => false }]
-    end
+# Determines what type of gem is requested based on place_or_version.
+def gem_type(place_or_version)
+  if place_or_version =~ /^git:/
+    :git
+  elsif place_or_version =~ /^file:/
+    :file
   else
-    default_location
+    :gem
   end
 end
 
-group :development, :unit_tests do
-  gem 'metadata-json-lint'
-  gem 'puppet_facts'
-  gem 'puppet-blacksmith', '>= 3.4.0'
-  gem 'puppetlabs_spec_helper', '>= 1.2.1'
-  gem 'rspec-puppet', '>= 2.3.2'
-  gem 'rspec-puppet-facts'
-  gem 'mocha', '< 1.2.0'
-  gem 'simplecov'
-  gem 'parallel_tests', '< 2.10.0' if RUBY_VERSION < '2.0.0'
-  gem 'parallel_tests' if RUBY_VERSION >= '2.0.0'
-  gem 'rubocop', '0.41.2' if RUBY_VERSION < '2.0.0'
-  gem 'rubocop' if RUBY_VERSION >= '2.0.0'
-  gem 'rubocop-rspec', '~> 1.6' if RUBY_VERSION >= '2.3.0'
-  gem 'json_pure', '<= 2.0.1' if RUBY_VERSION < '2.0.0'
+# Find a location or specific version for a gem. place_or_version can be a
+# version, which is most often used. It can also be git, which is specified as
+# `git://somewhere.git#branch`. You can also use a file source location, which
+# is specified as `file://some/location/on/disk`.
+def location_for(place_or_version, fake_version = nil)
+  if place_or_version =~ /^(git[:@][^#]*)#(.*)/
+    [fake_version, { :git => $1, :branch => $2, :require => false }].compact
+  elsif place_or_version =~ /^file:\/\/(.*)/
+    ['>= 0', { :path => File.expand_path($1), :require => false }]
+  else
+    [place_or_version, { :require => false }]
+  end
+end
+
+# Used for gem conditionals
+supports_windows = false
+
+group :development do
+  gem 'puppet-lint',                        :require => false
+  gem 'metadata-json-lint',                 :require => false
+  gem 'puppet_facts',                       :require => false
+  gem 'puppet-blacksmith', '>= 3.4.0',      :require => false, :platforms => 'ruby'
+  gem 'puppetlabs_spec_helper', '>= 1.2.1', :require => false
+  gem 'rspec-puppet', '>= 2.3.2',           :require => false
+  gem 'rspec-puppet-facts',                 :require => false
+  gem 'mocha', '< 1.2.0',                   :require => false
+  gem 'simplecov',                          :require => false
+  gem 'parallel_tests', '< 2.10.0',         :require => false if Gem::Version.new(RUBY_VERSION) < Gem::Version.new('2.0.0')
+  gem 'parallel_tests',                     :require => false if Gem::Version.new(RUBY_VERSION) >= Gem::Version.new('2.0.0')
+  gem 'rubocop', '0.41.2',                  :require => false if Gem::Version.new(RUBY_VERSION) < Gem::Version.new('2.0.0')
+  gem 'rubocop',                            :require => false if Gem::Version.new(RUBY_VERSION) >= Gem::Version.new('2.0.0')
+  gem 'rubocop-rspec', '~> 1.6',            :require => false if Gem::Version.new(RUBY_VERSION) >= Gem::Version.new('2.3.0')
+  gem 'pry',                                :require => false
+  gem 'json_pure', '<= 2.0.1',              :require => false if Gem::Version.new(RUBY_VERSION) < Gem::Version.new('2.0.0')
 end
+
 group :system_tests do
-  gem 'beaker', *location_from_env('BEAKER_VERSION', []) if RUBY_VERSION >= '2.3.0'
-  gem 'beaker', *location_from_env('BEAKER_VERSION', ['< 3']) if RUBY_VERSION < '2.3.0'
-  gem 'beaker-pe' if RUBY_VERSION >= '2.3.0'
-  gem 'beaker-rspec', *location_from_env('BEAKER_RSPEC_VERSION', ['>= 3.4'])
-  gem 'serverspec'
-  gem 'beaker-puppet_install_helper'
-  gem 'master_manipulator'
-  gem 'beaker-hostgenerator', *location_from_env('BEAKER_HOSTGENERATOR_VERSION', [])
+  gem 'beaker', *location_for(ENV['BEAKER_VERSION'] || '~> 2.20')                if supports_windows
+  gem 'beaker', *location_for(ENV['BEAKER_VERSION'])                             if Gem::Version.new(RUBY_VERSION) >= Gem::Version.new('2.3.0') and ! supports_windows
+  gem 'beaker', *location_for(ENV['BEAKER_VERSION'] || '< 3')                    if Gem::Version.new(RUBY_VERSION) < Gem::Version.new('2.3.0') and ! supports_windows
+  gem 'beaker-pe',                                                               :require => false if Gem::Version.new(RUBY_VERSION) >= Gem::Version.new('2.3.0')
+  gem 'beaker-rspec', *location_for(ENV['BEAKER_RSPEC_VERSION'] || '>= 3.4')     if ! supports_windows
+  gem 'beaker-rspec', *location_for(ENV['BEAKER_RSPEC_VERSION'] || '~> 5.1')     if supports_windows
+  gem 'beaker-puppet_install_helper',                                            :require => false
+  gem 'master_manipulator',                                                      :require => false
+  gem 'beaker-hostgenerator', *location_for(ENV['BEAKER_HOSTGENERATOR_VERSION'])
 end
+
 group :default do
-  gem 'hocon', '~> 1.1'
+  gem 'hocon', '~> 1.1', :require => false
 end
 
-gem 'facter', *location_from_env('FACTER_GEM_VERSION')
-gem 'puppet', *location_from_env('PUPPET_GEM_VERSION')
+gem 'puppet', *location_for(ENV['PUPPET_GEM_VERSION'])
+
+# Only explicitly specify Facter/Hiera if a version has been specified.
+# Otherwise it can lead to strange bundler behavior. If you are seeing weird
+# gem resolution behavior, try setting `DEBUG_RESOLVER` environment variable
+# to `1` and then run bundle install.
+gem 'facter', *location_for(ENV['FACTER_GEM_VERSION']) if ENV['FACTER_GEM_VERSION']
+gem 'hiera', *location_for(ENV['HIERA_GEM_VERSION']) if ENV['HIERA_GEM_VERSION']
+
 
+# Evaluate Gemfile.local if it exists
 if File.exists? "#{__FILE__}.local"
   eval(File.read("#{__FILE__}.local"), binding)
 end
+
+# Evaluate ~/.gemfile if it exists
+if File.exists?(File.join(Dir.home, '.gemfile'))
+  eval(File.read(File.join(Dir.home, '.gemfile')), binding)
+end
+
+# vim:ft=ruby