Allow specifying extra gemfiles for a plugin

manifests/config.pp

@@ -48,6 +48,7 @@
     settings_template => 'katello_devel/katello.yaml.erb',
     scm_revision      => $katello_scm_revision,
     manage_repo       => $katello_manage_repo,
+    extra_gemfiles    => ['gemfile.d/test.rb'],
   }
 
   katello_devel::plugin { 'theforeman/foreman_remote_execution':

manifests/plugin.pp

@@ -9,10 +9,14 @@
 #
 # @param manage_repo
 #   Set to false if the plugin source repository is managed externally.
+#
+# @param extra_gemfiles
+#   Additional gemfiles a plugin needs added
 define katello_devel::plugin (
   Optional[String] $settings_template = undef,
   Optional[String] $scm_revision = undef,
   Boolean $manage_repo = true,
+  Array[String] $extra_gemfiles = [],
 ) {
   $split_array = split($name, '/')
   $github_organization = $split_array[0]

spec/classes/katello_devel_spec.rb

@@ -93,6 +93,13 @@
             '  :katello_applicability: true',
           ])
         end
+
+        it do
+          verify_exact_contents(catalogue, '/home/vagrant/foreman/bundler.d/katello.local.rb', [
+            "gemspec :path => '../katello', :development_group => 'katello_dev', :name => 'katello'",
+            "eval_gemfile('/home/vagrant/katello/gemfile.d/test.rb')"
+          ])
+        end
       end
 
       describe 'with modulestream_nodejs' do

templates/plugin.local.rb.erb

@@ -1,4 +1,4 @@
 gemspec :path => '../<%= scope['plugin'] %>', :development_group => '<%= scope['plugin'] %>_dev', :name => '<%= scope['plugin'] %>'
-Dir['../<%= scope['plugin'] %>/gemfile.d/*.rb'].each do |file|
-  eval_gemfile(file)
-end
+<%- for gemfile in scope['extra_gemfiles'] %>
+eval_gemfile('<%= scope['katello_devel::deployment_dir'] %>/<%= scope['plugin'] %>/<%= gemfile %>')
+<%- end %>