rubyPackages: add dip

pkgs/development/ruby-modules/with-packages/Gemfile

@@ -1,4 +1,5 @@
-source 'https://rubygems.org' do
+source 'https://rubygems.org'
+
 gem 'addressable'
 gem 'ansi'
 gem 'atk'
@@ -45,6 +46,7 @@ source 'https://rubygems.org' do
 gem 'daemons'
 gem 'dep-selector-libgecode'
 gem 'digest-sha3'
+gem 'dip'
 gem 'domain_name'
 gem 'do_sqlite3'
 gem 'ethon'
@@ -104,7 +106,7 @@ source 'https://rubygems.org' do
 gem 'pry-doc'
 gem 'public_suffix'
 gem 'puma'
-  gem 'rails'
+# gem 'rails'  # causes the Bundler resolver to explode, probably due conflict with CocoaPods activesupport requirement
 gem 'rainbow'
 # gem 'rbczmq' deprecated
 gem 'rbnacl'
@@ -149,4 +151,3 @@ source 'https://rubygems.org' do
 gem 'whois'
 # gem 'xapian-ruby' doesn't contain ruby code
 gem 'zookeeper'
-end