Fix plugin issues on omni builds (#3499)

* Fix plugin issues on omni builds
* Fix gemspec to include etc dir.

Signed-off-by: Jared Quick <jquick@chef.io>

inspec-core.gemspec

@@ -14,7 +14,7 @@ Gem::Specification.new do |spec|
 
   spec.files = %w{README.md MAINTAINERS.toml MAINTAINERS.md LICENSE
                   inspec-core.gemspec Gemfile CHANGELOG.md} +
-               Dir.glob('{bin,docs,examples,lib}/**/*', File::FNM_DOTMATCH)
+               Dir.glob('{bin,lib,etc}/**/*', File::FNM_DOTMATCH)
                   .reject { |f| File.directory?(f) || f =~ /aws|azure|gcp/ }
 
   spec.executables   = %w{inspec}

inspec.gemspec

@@ -17,7 +17,7 @@ Gem::Specification.new do |spec|
     README.md Rakefile MAINTAINERS.md LICENSE inspec.gemspec
     Gemfile CHANGELOG.md .rubocop.yml
   } + Dir.glob(
-    '{bin,lib}/**/*', File::FNM_DOTMATCH
+    '{bin,lib,etc}/**/*', File::FNM_DOTMATCH
   ).reject { |f| File.directory?(f) }
 
   spec.executables   = %w{inspec}

lib/inspec/plugin/v2/installer.rb

@@ -395,10 +395,21 @@ module Inspec::Plugin::V2
     class InstalledVendorSet < Gem::Resolver::VendorSet
       def initialize
         super
+
         Gem::Specification.find_all do |spec|
           @specs[spec.name] = spec
           @directories[spec] = spec.gem_dir
         end
+
+        if !defined?(::Bundler)
+          directories = Gem::Specification.dirs.find_all do |path|
+            !path.start_with?(Gem.user_dir)
+          end
+          Gem::Specification.each_spec(directories) do |spec|
+            @specs[spec.name] = spec
+            @directories[spec] = spec.gem_dir
+          end
+        end
       end
     end
 

lib/inspec/plugin/v2/loader.rb

@@ -31,6 +31,10 @@ module Inspec::Plugin::V2
     end
 
     def load_all
+      # This fixes the gem paths on some bundles
+      Gem.path << plugin_gem_path
+      Gem.refresh
+
       # Be careful not to actually iterate directly over the registry here;
       # we want to allow "sidecar loading", in which case a plugin may add an entry to the registry.
       registry.plugin_names.dup.each do |plugin_name|