Ruby: Extract Herb#ensure_installed helper

lib/herb.rb

@@ -118,5 +118,19 @@ def dev_server_port(project_path = nil)
     rescue StandardError
       nil
     end
+
+    def ensure_installed(&block)
+      require "bundler/inline"
+
+      verbose = $VERBOSE
+      $VERBOSE = nil
+
+      gemfile(true, quiet: true) do # steep:ignore
+        source "https://rubygems.org" # steep:ignore
+        instance_eval(&block) # steep:ignore
+      end
+    ensure
+      $VERBOSE = verbose
+    end
   end
 end

lib/herb/action_view/render_analyzer.rb

@@ -784,12 +784,7 @@ def process_file_for_render_calls(file)
       def ensure_parallel!
         return if defined?(Parallel)
 
-        require "bundler/inline"
-
-        gemfile(true, quiet: true) do # steep:ignore
-          source "https://rubygems.org" # steep:ignore
-          gem "parallel" # steep:ignore
-        end
+        Herb.ensure_installed { gem "parallel" } # steep:ignore
       end
 
       def collect_ruby_render_references

lib/herb/project.rb

@@ -903,12 +903,7 @@ def percentage(part, total)
     def ensure_parallel!
       return if defined?(Parallel)
 
-      require "bundler/inline"
-
-      gemfile(true, quiet: true) do
-        source "https://rubygems.org"
-        gem "parallel"
-      end
+      Herb.ensure_installed { gem "parallel" } # steep:ignore
     end
 
     def separator