Question

我是Ruby和Rails的新手，我正在尝试遵循Spree的指令，但在执行bundle install时我遇到了依赖解析的问题。我搜索了一堆类似的问题，但在所有这些问题中，gemfile中有几个“root”宝石。就我而言，我只有单根spree (~> 3.1.0.rc1)，甚至是同一个依赖树。看起来单个gem rails 4.2.6依赖于actionpack 5.0.2和4.2.6的两个版本。怎么可能？

Bundler could not find compatible versions for gem "actionpack":
In Gemfile:
  spree (~> 3.1.0.rc1) was resolved to 3.1.0.rc1, which depends on
    spree_core (= 3.1.0.rc1) was resolved to 3.1.0.rc1, which depends on
      rails (~> 4.2.6) was resolved to 4.2.6, which depends on
        actionpack (= 5.0.2)

  spree (~> 3.1.0.rc1) was resolved to 3.1.0.rc1, which depends on
    spree_core (= 3.1.0.rc1) was resolved to 3.1.0.rc1, which depends on
      rails (~> 4.2.6) was resolved to 4.2.6, which depends on
        actionpack (= 5.0.2)

  spree (~> 3.1.0.rc1) was resolved to 3.1.0.rc1, which depends on
    spree_core (= 3.1.0.rc1) was resolved to 3.1.0.rc1, which depends on
      rails (~> 4.2.6) was resolved to 4.2.6, which depends on
        actionpack (= 4.2.6)

P.S。我能够通过在gemfile中指定gem 'rails', '>= 4.2.7'来解决我的问题。这仍然满足条件〜＆gt; 4.2.6并不包含所述问题。但我仍然很好奇它是如何形容状态的。

谢谢！

Answer 1

这是因为您使用的Rails和Spree的错误版本不匹配，因此它们彼此不兼容。

Rails 5：

gem 'spree', '~> 3.2.0'

Rails 4：

gem 'spree', '~> 3.1.0'

gemfile中的单个依赖导致冲突

1 个答案: