1 files changed, 47 insertions, 0 deletions
diff --git a/lib/bundler/cli/console.rb b/lib/bundler/cli/console.rb
new file mode 100644
index 0000000000..2d1a2ce458
--- /dev/null
+++ b/lib/bundler/cli/console.rb
@@ -0,0 +1,47 @@
+# frozen_string_literal: true
+
+module Bundler
+  class CLI::Console
+    attr_reader :options, :group
+    def initialize(options, group)
+      @options = options
+      @group = group
+    end
+
+    def run
+      group ? Bundler.require(:default, *group.split(" ").map!(&:to_sym)) : Bundler.require
+      ARGV.clear
+
+      console = get_console(Bundler.settings[:console] || "irb")
+      console.start
+    end
+
+    def get_console(name)
+      require name
+      get_constant(name)
+    rescue LoadError
+      if name == "irb"
+        if defined?(Gem::BUNDLED_GEMS) && Gem::BUNDLED_GEMS.respond_to?(:force_activate)
+          Gem::BUNDLED_GEMS.force_activate "irb"
+          require name
+          return get_constant(name)
+        end
+        Bundler.ui.error "#{name} is not available"
+        exit 1
+      else
+        Bundler.ui.error "Couldn't load console #{name}, falling back to irb"
+        name = "irb"
+        retry
+      end
+    end
+
+    def get_constant(name)
+      const_name = {
+        "pry" => :Pry,
+        "ripl" => :Ripl,
+        "irb" => :IRB,
+      }[name]
+      Object.const_get(const_name)
+    end
+  end
+end