Redo the portage provider. We use the on disk cache to look up the current version, and do the emerge search only if the candidate version is needed.

This speeds up running chef immensely on Gentoo systems.

Author: ctennis

chef/lib/chef/provider/package/portage.rb

@@ -28,22 +28,22 @@ class Portage < Chef::Provider::Package
         def load_current_resource
           @current_resource = Chef::Resource::Package.new(@new_resource.name)
           @current_resource.package_name(@new_resource.package_name)
-        
-          status = popen4("emerge --color n --nospinner --search #{@new_resource.package_name.split('/').last}") do |pid, stdin, stdout, stderr|
-            available, installed = parse_emerge(@new_resource.package_name, stdout.read)
-            
-            if installed == "[ Not Installed ]"
-              @current_resource.version(nil)
-            else
-              @current_resource.version(installed)
-            end  
-            @candidate_version = available
-          end
 
-          unless status.exitstatus == 0
-            raise Chef::Exceptions::Package, "emerge --search failed - #{status.inspect}!"
+          category = @new_resource.package_name.split('/').first
+          pkg = @new_resource.package_name.split('/').last
+
+          @current_resource.version(nil)
+
+          if( ::File.exists?("/var/db/pkg/#{category}") )         
+            Dir.entries("/var/db/pkg/#{category}").each do |entry|
+              if(entry =~ /^#{pkg}-(.+)/)
+                @current_resource.version($1)
+                Chef::Log.debug("Got current version #{$1}")
+                break
+              end
+            end
           end
-        
+
           @current_resource
         end
 
@@ -65,6 +65,22 @@ def parse_emerge(package, txt)
           available = installed unless available
           [available, installed]
         end
+
+        def candidate_version
+          return @candidate_version if @candidate_version
+
+          status = popen4("emerge --color n --nospinner --search #{@new_resource.package_name.split('/').last}") do |pid, stdin, stdout, stderr|
+            available, installed = parse_emerge(@new_resource.package_name, stdout.read)
+            @candidate_version = available
+          end
+
+          unless status.exitstatus == 0
+            raise Chef::Exceptions::Package, "emerge --search failed - #{status.inspect}!"
+          end
+
+          @candidate_version
+
+        end
 
 
         def install_package(name, version)