only invalid gemname

white space fixes

add a line

lib/bundler/cli.rb

@@ -418,8 +418,12 @@ def binstubs(*gems)
       "Do not attempt to fetch gems remotely and use the gem cache instead"
     def outdated(*gems)
       sources = Array(options[:source])
-      Bundler.definition.validate_ruby!
 
+      gems.each do |gem_name|
+        select_spec(gem_name)
+      end
+
+      Bundler.definition.validate_ruby!
       current_specs = Bundler.ui.silence { Bundler.load.specs }
       current_dependencies = {}
       Bundler.ui.silence { Bundler.load.dependencies.each { |dep| current_dependencies[dep.name] = dep } }
@@ -879,7 +883,6 @@ def not_found_message(missing_gem_name, alternatives)
       message
     end
 
-
     def without_groups_message
       groups = Bundler.settings.without
       group_list = [groups[0...-1].join(", "), groups[-1..-1]].

spec/commands/outdated_spec.rb

@@ -113,4 +113,11 @@
       end
     end
   end
+
+  describe "with invalid gem name" do
+    it "returns could not find gem name" do
+      bundle "outdated invalid_gem_name"
+      expect(out).to include("Could not find gem 'invalid_gem_name'.")
+    end
+  end
 end