lib/rubygems/comparator.rb in gem-compare-0.0.5 vs lib/rubygems/comparator.rb in gem-compare-0.0.6

@@ -154,9 +154,13 @@
       client.http_get
       json = JSON.parse(client.body_str)
       gems = json.collect { |version| version['number'] }
       info "Upstream versions: #{gems}"
       gems
+    # "This rubygem could not be found."
+    rescue JSON::ParserError
+      error "Gem #{gem_name} does not exist."
+      exit 1
     end
 
     def latest_gem_version(gem_name)
       remote_gem_versions(gem_name).map{ |v| Gem::Version.new v }.max.to_s
     end