1 files changed, 68 insertions, 0 deletions
diff --git a/lib/bundler/ui/silent.rb b/lib/bundler/ui/silent.rb
new file mode 100644
index 0000000000..48390b7198
--- /dev/null
+++ b/lib/bundler/ui/silent.rb
@@ -0,0 +1,68 @@
+# frozen_string_literal: true
+module Bundler
+  module UI
+    class Silent
+      attr_writer :shell
+
+      def initialize
+        @warnings = []
+      end
+
+      def add_color(string, color)
+        string
+      end
+
+      def info(message, newline = nil)
+      end
+
+      def confirm(message, newline = nil)
+      end
+
+      def warn(message, newline = nil)
+        @warnings |= [message]
+      end
+
+      def error(message, newline = nil)
+      end
+
+      def debug(message, newline = nil)
+      end
+
+      def debug?
+        false
+      end
+
+      def quiet?
+        false
+      end
+
+      def ask(message)
+      end
+
+      def yes?(msg)
+        raise "Cannot ask yes? with a silent shell"
+      end
+
+      def no?
+        raise "Cannot ask no? with a silent shell"
+      end
+
+      def level=(name)
+      end
+
+      def level(name = nil)
+      end
+
+      def trace(message, newline = nil, force = false)
+      end
+
+      def silence
+        yield
+      end
+
+      def unprinted_warnings
+        @warnings
+      end
+    end
+  end
+end