Workaround Puppets late binding issue for resources by Being Clever(TM)

README.markdown

@@ -6,9 +6,8 @@ as root) and using it to install rubies and gems.  Support for installing and
 configuring passenger is also included.
 
 We are actively using this module.  It works well, but does have some issues you
-should be aware of.  Due to the way puppet works, certain resources
-(rvm\_sytem\_ruby, rvm\_gem and rvm\_gemset) may generate errors until RVM is
-installed.  The puppet-rvm module uses run stages to install RVM before the rest
+should be aware of.  
+The puppet-rvm module uses run stages to install RVM before the rest
 of your configuration runs.  However, if you run puppet using the `--noop`
 parameter, you may see _Could not find a default provider_ errors.  See the
 Troubleshooting section for more information.
@@ -121,8 +120,7 @@ Install passenger with:
 ### An error "Could not find a default provider for rvm\_system\_ruby" is displayed when running Puppet with --noop
 
 This means that puppet cannot find the `/usr/local/rvm/bin/rvm` command
-(probably because RVM isn't installed yet).  Currently, Puppet does not support
-making a provider suitable using another resource (late-binding).  The
+(probably because RVM isn't installed yet).  The
 puppet-rvm module uses run stages to install RVM before the rest of the
 configuration runs.  When running in _noop_ mode, RVM is not actually installed
 causing rvm\_system\_ruby, rvm\_gem and rvm\_gemset resources to generate this

lib/puppet/provider/rvm_gem/gem.rb

@@ -5,15 +5,23 @@
 Puppet::Type.type(:rvm_gem).provide(:gem) do
   desc "Ruby Gem support using RVM."
 
-  commands :rvmcmd => "/usr/local/rvm/bin/rvm"
+  #commands :rvmcmd => "/usr/local/rvm/bin/rvm"
+  commands :workaround => "true"
 
+  def get_rvm
+    "/usr/local/rvm/bin/rvm"
+  end
+
+  def rvmcmd(*args)
+    execute( [get_rvm] + args )
+  end
 
   def ruby_version
     resource[:ruby_version]
   end
 
   def gembinary
-    [command(:rvmcmd), ruby_version, "do", "gem"]
+    [get_rvm, ruby_version, "do", "gem"]
   end
 
 

lib/puppet/provider/rvm_gemset/gemset.rb

@@ -2,7 +2,16 @@
 Puppet::Type.type(:rvm_gemset).provide(:gemset) do
   desc "RVM gemset support."
 
-  commands :rvmcmd => "/usr/local/rvm/bin/rvm"
+  #commands :rvmcmd => "/usr/local/rvm/bin/rvm"
+  commands :workaround => "true"
+
+  def rvmcmd(*args)
+    execute( [get_rvm] + args )
+  end
+
+  def get_rvm
+    "/usr/local/rvm/bin/rvm"
+  end
 
   def ruby_version
     resource[:ruby_version]
@@ -13,11 +22,11 @@ def gemset_name
   end
 
   def gemsetcommand
-    [command(:rvmcmd), ruby_version, "exec", "rvm", "gemset"]
+    [get_rvm, ruby_version, "exec", "rvm", "gemset"]
   end
 
   def gemsetcommand_force
-    [command(:rvmcmd), ruby_version, "exec", "rvm", "--force", "gemset"]
+    [get_rvm, ruby_version, "exec", "rvm", "--force", "gemset"]
   end
 
   def gemset_list

lib/puppet/provider/rvm_system_ruby/rvm_system_ruby.rb

@@ -1,7 +1,13 @@
 Puppet::Type.type(:rvm_system_ruby).provide(:rvm) do
   desc "Ruby RVM support."
 
-  commands :rvmcmd => "/usr/local/rvm/bin/rvm"
+  #commands :rvmcmd => "/usr/local/rvm/bin/rvm"
+  commands :workaround => "true"
+
+  def rvmcmd(*args)
+    execute( ["/usr/local/rvm/bin/rvm"] + args )
+  end
+
 
   def create
     rvmcmd "install", resource[:name]