lib/mixlib/install.rb in wjordan-mixlib-install-0.8.0.alpha.6 vs lib/mixlib/install.rb in wjordan-mixlib-install-0.8.0.fork.7

@@ -35,12 +35,14 @@
     end
 
     #
     # Fetch artifact metadata information
     #
-    # @return [ArtifactInfo] fetched artifact data
-    #
+    # @return [Array<ArtifactInfo>] list of fetched artifact data for the configured
+    # channel, product name, and product version.
+    # @return [ArtifactInfo] fetched artifact data for the configured
+    # channel, product name, product version and platform info
     def artifact_info
       Backend.info(options)
     end
 
     #
@@ -92,10 +94,12 @@
     # Returns true if an upgradable version is available, false otherwise.
     #
     def upgrade_available?
       return true if current_version.nil?
 
-      available_ver = Mixlib::Versioning.parse(artifact_info.first.version)
+      artifact = artifact_info
+      artifact = artifact.first if artifact.is_a? Array
+      available_ver = Mixlib::Versioning.parse(artifact.version)
       current_ver = Mixlib::Versioning.parse(current_version)
       (available_ver > current_ver)
     end
 
     #