Fix gem rake, clean up stemcell building, bat fast

Author: Glenn Oppegard and Jeffrey Peckham

rake/gem.rake

@@ -144,13 +144,12 @@ def component_needs_update(component, root, version)
   Dir.chdir File.join(root, component) do
     gemspec = Gem::Specification.load File.join(root, component, "#{component}.gemspec")
     last_code_change_time = gemspec.files.map { |file| File::Stat.new(file).mtime }.max
+    gem_file_name = last_released_component(component, root, version)
 
-    last_code_change_time > File::Stat.new(last_released_component(component, root, version)).mtime
+    !File.exists?(gem_file_name) || last_code_change_time > File::Stat.new(gem_file_name).mtime
   end
 end
 
 def last_released_component(component, root, version)
-  Dir.chdir File.join(root, component) do
-    File.join(root, "release", "src", "bosh", component, "#{component}-#{version}.gem")
-  end
+  File.join(root, "release", "src", "bosh", component, "#{component}-#{version}.gem")
 end

spec/ci_build_stemcell.sh

@@ -16,10 +16,6 @@ else
 fi
 
 sudo rm -rf /mnt/$directory
-if [ -f $WORKSPACE/*.tgz ]
-then
-  rm $WORKSPACE/*.tgz
-fi
 
 WORK_PATH=/mnt/$directory/work \
     BUILD_PATH=/mnt/$directory/build \

spec/system/aws/micro_bosh_spec.rb

@@ -41,9 +41,11 @@
     end
     bat_env = {
         'BAT_DIRECTOR' => "micro.#{ENV["BOSH_VPC_SUBDOMAIN"]}.cf-app.com",
-        'BAT_STEMCELL' => stemcell_path,
+        'BAT_STEMCELL' => latest_stemcell_path,
         'BAT_DEPLOYMENT_SPEC' => "#{bat_deployment_path}/bat.yml",
-        'BAT_VCAP_PASSWORD' => 'c1oudc0w'
+        'BAT_VCAP_PASSWORD' => 'c1oudc0w',
+        'BAT_FAST' => 'true',
+        'BAT_SKIP_SSH' => 'true'
     }
     system(bat_env, "rake bat").should be_true
   end