Updating user-agent generator to use basename.

ads_common/ChangeLog

@@ -1,4 +1,5 @@
 0.9.5:
+  - Updated user-agent generation for default string.
 
 0.9.4:
   - Updated to Signet ~> 0.5.0.

ads_common/Rakefile

@@ -26,7 +26,7 @@ task :default => [:build, :test]
 
 desc 'Package the Common library into a gem file.'
 task :build do
-  result = system('/bin/env gem build google-ads-common.gemspec')
+  result = system('/usr/bin/env gem build google-ads-common.gemspec')
   raise 'Build failed.' unless result
 end
 
@@ -38,6 +38,6 @@ end
 
 desc 'Run tests coverage tool.'
 task :coverage do
-  result = system('/bin/env ruby test/coverage.rb')
+  result = system('/usr/bin/env ruby test/coverage.rb')
   raise 'Coverage run failed.' unless result
 end

ads_common/lib/ads_common/credential_handler.rb

@@ -68,7 +68,7 @@ def set_credential(credential, value)
 
     # Generates string for UserAgent to put into headers.
     def generate_user_agent(extra_ids = [], agent_app = nil)
-      agent_app ||= $0
+      agent_app ||= File.basename($0)
       agent_data = extra_ids
       agent_data << 'Common-Ruby/%s' % AdsCommon::ApiConfig::CLIENT_LIB_VERSION
       agent_data << 'Savon/%s' % Savon::VERSION