rails 4 - 每次运行 rake db:migrate 命令时，rake 命令都会显示弃用警告 [英] rails 4 - rake command shows deprecation warning everytime I run the rake db:migrate command

问题描述

[pinterestclone]$ rake db:migrate  

DEPRECATION WARNING: Sprockets method `register_engine` is deprecated.  
Please register a mime type using `register_mime_type` then  
use `register_compressor` or `register_transformer`.  
https://github.com/rails/sprockets/blob/master/guides/extending_sprockets.md#supporting-all-versions-of-sprockets-in-processors  
 (called from block (2 levels) in <class:Railtie> at  /usr/local/lib/ruby/gems/2.3.0/gems/sass-rails-5.0.5/lib/sass/rails/railtie.rb:57)  

DEPRECATION WARNING: Sprockets method `register_engine` is deprecated.
Please register a mime type using `register_mime_type` then
use `register_compressor` or `register_transformer`.
https://github.com/rails/sprockets/blob/master/guides/extending_sprockets.md#supporting-all-versions-of-sprockets-in-processors
 (called from block (2 levels) in <class:Railtie> at /usr/local/lib/ruby/gems/2.3.0/gems/sass-rails-5.0.5/lib/sass/rails/railtie.rb:58)

== 20160721232702 AddUserIdToPins: migrating ==================================  
-- add_column(:pins, :user_id, :integer)  
   -> 0.0010s  
-- add_index(:pins, :user_id)  
   -> 0.0010s  
== 20160721232702 AddUserIdToPins: migrated (0.0022s) =========================

推荐答案

这是由 Sprockets 3.7.0 引起的，应该很快在 sass-rails(使用 Sprockets)中修复.有关详细信息，请参阅此.

This is caused by Sprockets 3.7.0 and should be fixed in sass-rails (which uses Sprockets) shortly. See this for more information.

我猜链轮 4 要求您在调用 register_engine 之前注册一个 mime 类型.

I guess Sprockets 4 requires you to register a mime type before calling register_engine.

更新:此问题现已在 sass-rails 5.0.6 版中修复.运行 bundle update 应该会删除弃用警告.

UPDATE: This is now fixed in sass-rails version 5.0.6. Running bundle update should remove the deprecation warnings.

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