Don't load app environment when editing credentials

railties/lib/rails/command/actions.rb

@@ -11,10 +11,20 @@ def set_application_directory!
       end
 
       def require_application_and_environment!
+        require_application!
+        require_environment!
+      end
+
+      def require_application!
         require ENGINE_PATH if defined?(ENGINE_PATH)
 
         if defined?(APP_PATH)
           require APP_PATH
+        end
+      end
+
+      def require_environment!
+        if defined?(APP_PATH)
           Rails.application.require_environment!
         end
       end

railties/lib/rails/commands/credentials/credentials_command.rb

@@ -20,7 +20,7 @@ def help
       end
 
       def edit
-        require_application_and_environment!
+        require_application!
 
         ensure_editor_available(command: "bin/rails credentials:edit") || (return)
 
@@ -39,7 +39,7 @@ def edit
       end
 
       def show
-        require_application_and_environment!
+        require_application!
 
         encrypted = Rails.application.encrypted(content_path, key_path: key_path)
 

railties/test/commands/credentials_test.rb

@@ -63,6 +63,14 @@ class Rails::Command::CredentialsCommandTest < ActiveSupport::TestCase
     end
   end
 
+  test "edit command does not raise when an initializer tries to acces non-existent credentials" do
+    app_file "config/initializers/raise_when_loaded.rb", <<-RUBY
+      Rails.application.credentials.missing_key!
+    RUBY
+
+    assert_match(/access_key_id: 123/, run_edit_command(environment: "qa"))
+  end
+
   test "show credentials" do
     assert_match(/access_key_id: 123/, run_show_command)
   end