1 files changed, 48 insertions, 0 deletions
diff --git a/rake_tasks/ruby-versions.rake b/rake_tasks/ruby-versions.rake
new file mode 100644
index 0000000..bfb1f88
--- /dev/null
+++ b/rake_tasks/ruby-versions.rake
@@ -0,0 +1,48 @@
+RUBY = ENV.fetch 'ruby', 'ruby'
+
+def ruby command
+  params =
+    if RUBY == 'rbx'
+      '-I/usr/local/lib/ruby/1.8'
+    else
+      '-w'
+    end
+  cmd = "#{RUBY} #{params} #{command}"
+  puts cmd if verbose
+  system cmd
+end
+
+task '19' do
+  RUBY.replace 'ruby19'
+end
+
+task '18' do
+  RUBY.replace 'ruby18'
+end
+
+task '187' do
+  RUBY.replace 'ruby187'
+end
+
+task 'jruby' do
+  RUBY.replace 'jruby'
+end
+task :j => :jruby
+
+task 'jruby19' do
+  RUBY.replace 'jruby --1.9'
+end
+task :j19 => :jruby19
+
+task 'jruby-nailgun' do
+  RUBY.replace 'jruby --ng'
+end
+task :jng => :'jruby-nailgun'
+
+task 'rubinius' do
+  RUBY.replace 'rbx'
+end
+
+task 'ee' do
+  RUBY.replace 'rubyee'
+end