blocks|key|853822|text|这是不可能的，也可能永远不会，因为对于RubyGems来说，允许gem开发人员要求用户安装特定的版本控制系统才能访问gem将是相当困难的。Gem应该是自包含的，具有最少的依赖关系，这样人们就可以在尽可能广泛的应用程序中使用它们。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|853823|如果你想在自己的内部项目中做到这一点，我的建议是使用Bundler，它对此支持得很好。|offset|length|853824|entityMap|0|LINK|mutability|MUTABLE|url|https://bundler.io/^0|0|Q|7|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@]|9|@$D|P|E|Q|1|R]]|A|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|G|$H|$5|I|J|K|A|$L|M]]]]

This is not possible, and likely never will be because it would be rather heavy-handed for RubyGems to allow gem developers to require that users have a specific version control system installed to access a gem. Gems should be self-contained with a minimal number of dependencies so that people can use them in as wide an array of application as possible.

If you want to do this for your own internal projects, my suggestion would be to use <a href="https://bundler.io/" rel="noreferrer">Bundler</a> which supports this quite well.

blocks|key|853902|text|我也只是想弄清楚这个问题。我只是想出了下面的解决方案(我不确定你是否发布了你的gem，或者是否有权重新发布那个oauth2+gem)。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|853903|在需要oauth2+gem的gem中运行以下命令。|853904|git+submodule+add+git@github.com:lgs/oauth2.git+lib/oauth2|code-block|syntax|javascript|853905|如果需要不同于缺省分支的分支|853906|cd+lib/oauth2+&&+git+checkout+<branchname_or_ref>
cd+..+&&+git+add+lib/oauth2
git+commit+-m+"adding+outh2+submodule"|853907|在gemspec中，将此代码添加到您的所需版本行之上|853908|$:.push+File.expand_path('../lib/oauth2/lib',+__FILE__)|853909|此外，您还需要将所有oauth2+gem的运行时依赖项添加到您的gemspec中。我还没有想出解决这个问题的办法。|853910|这就是我所做的，它对我们是有效的，因为我们的gem是通过git需要的，所以我不确定这是否适用于rubygems发布的gem。|853911|entityMap^0|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|X|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|Y|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|Z|8|@]|9|@]|A|$]]|$1|K|3|L|5|F|7|10|8|@]|9|@]|A|$G|H]]|$1|M|3|N|5|6|7|11|8|@]|9|@]|A|$]]|$1|O|3|P|5|F|7|12|8|@]|9|@]|A|$G|H]]|$1|Q|3|R|5|6|7|13|8|@]|9|@]|A|$]]|$1|S|3|T|5|6|7|14|8|@]|9|@]|A|$]]|$1|U|3|-4|5|6|7|15|8|@]|9|@]|A|$]]]|V|$]]

I just was trying to figure this problem out as well. And I just came up with the following solution (which I'm not sure if your publishing your gem or have rights to redistribute that oauth2 gem).

In your gem that requires oauth2 gem run this.

<pre><code>git submodule add git@github.com:lgs/oauth2.git lib/oauth2
</code></pre>

If you require a different branch than the default

<pre><code>cd lib/oauth2 &amp;&amp; git checkout &lt;branchname_or_ref&gt;
cd .. &amp;&amp; git add lib/oauth2
git commit -m "adding outh2 submodule"
</code></pre>

In your gemspec add this above your require version line

<pre><code>$:.push File.expand_path('../lib/oauth2/lib', __FILE__)
</code></pre>

Also you'll need to add all of the oauth2 gem's runtime dependencies to your gemspec. I haven't figured out a way around this yet.

This is what I did, and it works for us because our gem is required via git so I'm not sure if this would work for a rubygems published gem.

blocks|key|853955|text|我发现了一个非常简单的变通办法：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|853956|假设您在一个项目P中，并且您想要使用自制的gem+tools，它本身使用一个OS+gem+oauth2。|offset|length|style|CODE|853957|根据the+accepted+answer的说法，如果你在oauth2中做了一个补丁，并且需要在你的gem+tools中安装这个补丁，那么你将无法在gem中修复这个问题。|853958|然而，你可以在你的项目P的Gemfile中指定你想要的版本，这将是tools在运行时使用的版本：|853959|gem+'oauth2',+github:+'lgs/oauth2'|code-block|syntax|javascript|853960|Here+is+a+real+life+example+of+mine.|853961|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/6499472/6320039|1|https://github.com/klaxit/ruby/pull/9^0|0|8|1|P|5|19|6|0|T|6|1I|5|2|J|0|0|B|1|X|5|0|0|0|10|1|0^^$0|@$1|2|3|4|5|6|7|12|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|13|8|@$D|14|E|15|F|G]|$D|16|E|17|F|G]|$D|18|E|19|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|1A|8|@$D|1B|E|1C|F|G]|$D|1D|E|1E|F|G]]|9|@$D|1F|E|1G|1|1H]]|A|$]]|$1|J|3|K|5|6|7|1I|8|@$D|1J|E|1K|F|G]|$D|1L|E|1M|F|G]]|9|@]|A|$]]|$1|L|3|M|5|N|7|1N|8|@]|9|@]|A|$O|P]]|$1|Q|3|R|5|6|7|1O|8|@]|9|@$D|1P|E|1Q|1|1R]]|A|$]]|$1|S|3|-4|5|6|7|1S|8|@]|9|@]|A|$]]]|T|$U|$5|V|W|X|A|$Y|Z]]|10|$5|V|W|X|A|$Y|11]]]]

I found a work-around pretty straight forward:

Say your are in a project <code>P</code> and you want to use the self made gem <code>tools</code> which itself uses an OS gem <code>oauth2</code>.

If you made a patch within <code>oauth2</code> and need that patch in your gem <code>tools</code>, you won't be able to fix this issue in the gem according to <a href="https://stackoverflow.com/a/6499472/6320039">the accepted answer</a>.

However, you can speficy the version you want within your projet <code>P</code>'s Gemfile, and this will be the version used by <code>tools</code> on runtime:

<pre class="lang-rb prettyprint-override"><code>gem 'oauth2', github: 'lgs/oauth2'
</code></pre>

<a href="https://github.com/klaxit/ruby/pull/9" rel="nofollow noreferrer">Here is a real life example of mine.</a>

Is possible have a git branch dependency, inside mygem.gemspec?

I'm thinking something similar to the following:

<pre><code>gem.add_runtime_dependency 'oauth2', :git =&gt; 'git@github.com:lgs/oauth2.git'
</code></pre>

... but it doesn't work.

Ruby Gemspec Dependency: Is possible have a git branch dependency?

版本控制系统

在mygem.gemspec中有可能有一个git分支依赖吗？我的想法类似于下面的内容：gem.add_runtime_dependency 'oauth2', :git => 'git@github.com:lgs/oauth2.git'..。但它不起作用。

问Ruby Gemspec依赖关系:可以有一个git分支依赖关系吗？
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