1 files changed, 26 insertions, 0 deletions
diff --git a/lib/bundler/cli/open.rb b/lib/bundler/cli/open.rb
new file mode 100644
index 0000000000..9a21f6811c
--- /dev/null
+++ b/lib/bundler/cli/open.rb
@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+require "bundler/cli/common"
+require "shellwords"
+
+module Bundler
+  class CLI::Open
+    attr_reader :options, :name
+    def initialize(options, name)
+      @options = options
+      @name = name
+    end
+
+    def run
+      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)
+      path = spec.full_gem_path
+      Dir.chdir(path) do
+        command = Shellwords.split(editor) + [path]
+        Bundler.with_clean_env do
+          system(*command)
+        end || Bundler.ui.info("Could not run '#{command.join(" ")}'")
+      end
+    end
+  end
+end