1 files changed, 29 insertions, 0 deletions
diff --git a/lib/bundler/cli/open.rb b/lib/bundler/cli/open.rb
new file mode 100644
index 0000000000..f24693b843
--- /dev/null
+++ b/lib/bundler/cli/open.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+module Bundler
+  class CLI::Open
+    attr_reader :options, :name, :path
+    def initialize(options, name)
+      @options = options
+      @name = name
+      @path = options[:path] unless options[:path].nil?
+    end
+
+    def run
+      raise InvalidOption, "Cannot specify `--path` option without a value" if !@path.nil? && @path.empty?
+      editor = [ENV["BUNDLER_EDITOR"], ENV["VISUAL"], ENV["EDITOR"]].find {|e| !e.nil? && !e.empty? }
+      return Bundler.ui.info("To open a bundled gem, set $EDITOR or $BUNDLER_EDITOR") unless editor
+      return unless spec = Bundler::CLI::Common.select_spec(name, :regex_match)
+      if spec.default_gem?
+        Bundler.ui.info "Unable to open #{name} because it's a default gem, so the directory it would normally be installed to does not exist."
+      else
+        root_path = spec.full_gem_path
+        require "shellwords"
+        command = Shellwords.split(editor) << File.join([root_path, path].compact)
+        Bundler.with_original_env do
+          system(*command, { chdir: root_path })
+        end || Bundler.ui.info("Could not run '#{command.join(" ")}'")
+      end
+    end
+  end
+end