lib/imgix/client.rb in imgix-3.3.1 vs lib/imgix/client.rb in imgix-3.4.0

@@ -42,11 +42,16 @@
       p.ixlib("#{@library}-#{@version}") if @include_library_param
       p
     end
 
     def purge(path)
-      token_error = 'Authentication token required'
-      raise token_error if @api_key.nil?
+      api_key_deprecated = \
+        "Warning: Your `api_key` will no longer work after upgrading to\n" \
+        "imgix-rb version >= 4.0.0.\n"
+      warn api_key_deprecated
+
+      api_key_error = 'A valid api key is required to send purge requests'
+      raise api_key_error if @api_key.nil?
 
       url = new_prefix + path
       uri = URI.parse('https://api.imgix.com/v2/image/purger')
 
       user_agent = { 'User-Agent' => "imgix #{@library}-#{@version}" }