[feat] Enable gitlab CI builds, simplify Gemfile

.gitlab-ci.yml

@@ -0,0 +1,12 @@
+before_script:
+  - ruby -v
+  - gem install bundler --no-ri --no-rdoc
+  - bundle install --jobs $(nproc)  "${FLAGS[@]}"
+
+# don't fail on lint warnings
+rspec:
+  script:
+    - bundle exec rake lint || /bin/true
+    - bundle exec rake syntax
+    - bundle exec rake validate
+    - bundle exec rake spec

Gemfile

@@ -1,37 +1,13 @@
 source "https://rubygems.org"
 
-def location_for(place, fake_version = nil)
-  if place =~ /^(git[:@][^#]*)#(.*)/
-    [fake_version, { :git => $1, :branch => $2, :require => false }].compact
-  elsif place =~ /^file:\/\/(.*)/
-    ['>= 0', { :path => File.expand_path($1), :require => false }]
-  else
-    [place, { :require => false }]
-  end
-end
-
-
 group :test do
   gem "rake"
   gem "rspec", '< 3.2.0'
+  gem "puppet", ENV['PUPPET_VERSION'] || ENV['GEM_PUPPET_VERSION'] || ENV['PUPPET_GEM_VERSION'] || '~> 3.7.0'
+  gem "facter", ENV['FACTER_VERSION'] || ENV['GEM_FACTER_VERSION'] || ENV['FACTER_GEM_VERSION'] || '~> 2.2.0'
   gem "rspec-puppet"
   gem "puppetlabs_spec_helper"
   gem "metadata-json-lint"
   gem "rspec-puppet-facts"
   gem "mocha"
 end
-
-facterversion = ENV['GEM_FACTER_VERSION'] || ENV['FACTER_GEM_VERSION']
-if facterversion
-    gem 'facter', *location_for(facterversion)
-else
-    gem 'facter', :require => false
-end
-
-puppetversion = ENV['GEM_PUPPET_VERSION'] || ENV['PUPPET_GEM_VERSION']
-if puppetversion
-    gem 'puppet', *location_for(puppetversion)
-else
-    gem 'puppet', :require => false
-end
-