Merge pull request #30 from rvm/bugfix/rubygems-1.4

Add support for rubygems 1.4.2, fixes #29

Author: mpapis

.travis.yml

@@ -25,6 +25,8 @@ notifications:
 matrix:
   fast_finish: true
   include:
+    - rvm: 1.8.7
+      env: WITH_RUBYGEMS=1.4.2
     - rvm: 1.8.7
       env: WITH_RUBYGEMS=1.6.2
     - rvm: 2.5

lib/executable-hooks/wrapper.rb

@@ -16,7 +16,7 @@ def self.expanded_wrapper_name
     attr_reader :options
 
     def initialize(options)
-      @options = options || {}
+      @options = options || RegenerateBinstubsCommand.default_install_options
     end
 
     def install

lib/rubygems_plugin.rb

@@ -13,7 +13,10 @@
 
   # Set the custom_shebang if user did not set one
   Gem.pre_install do |gem_installer|
-    ExecutableHooks::Wrapper.new(gem_installer.options).install
+    options = if gem_installer.methods.map(&:to_s).include?('options')
+      gem_installer.options
+    end
+    ExecutableHooks::Wrapper.new(options).install
   end
 
   if Gem::Version.new(Gem::VERSION) < Gem::Version.new('2.0') then