blocks|key|301456|text|如果您使用的是bundler，则需要在Gemfile中添加类似以下内容：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|301457|gem+'redcarpet',+:git+=>+'git://github.com/tanoku/redcarpet.git'|code-block|syntax|javascript|301458|如果有.gemspec文件，它应该能够在运行bundle+install时获取并安装gem。|offset|length|style|CODE|301459|Upd.bundler正如评论中所指出的，为了使Bundler正常工作，您还需要向config.ru添加以下内容：|BOLD|301460|require+"bundler"+
Bundler.setup(:default)|301461|entityMap^0|0|0|3|8|M|E|0|0|1L|15|9|0|0^^$0|@$1|2|3|4|5|6|7|T|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|U|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|V|8|@$I|W|J|X|K|L]|$I|Y|J|Z|K|L]]|9|@]|A|$]]|$1|M|3|N|5|6|7|10|8|@$I|11|J|12|K|O]|$I|13|J|14|K|L]]|9|@]|A|$]]|$1|P|3|Q|5|D|7|15|8|@]|9|@]|A|$E|F]]|$1|R|3|-4|5|6|7|16|8|@]|9|@]|A|$]]]|S|$]]

In case you are using bundler, you need to add something like this to your Gemfile:

<pre><code>gem 'redcarpet', :git =&gt; 'git://github.com/tanoku/redcarpet.git'
</code></pre>

And in case there is <code>.gemspec</code> file, it should be able to fetch and install the gem when running <code>bundle install</code>.

UPD. As indicated in comments, for Bundler to function properly you also need to add the following to <code>config.ru</code>: 

<pre><code>require "bundler" 
Bundler.setup(:default)
</code></pre>

blocks|key|1565474|text|嗯，这取决于所讨论的项目。一些项目的根目录中有一个*.gemspec文件。在这种情况下，它将是|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1565475|gem+build+GEMNAME.gemspec
gem+install+gemname-version.gem|code-block|syntax|javascript|1565476|其他项目有一个rake任务，称为"gem“或"build”或类似的任务，在这种情况下，您必须调用"rake+"，但这取决于项目。|1565477|在这两种情况下，您都必须下载源代码。|1565478|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|P|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

well, that depends on the project in question. Some projects have a *.gemspec file in their root directory. In that case, it would be

<pre><code>gem build GEMNAME.gemspec
gem install gemname-version.gem
</code></pre>

Other projects have a rake task, called "gem" or "build" or something like that, in this case you have to invoke "rake ", but that depends on the project.

In both cases you have to download the source.

blocks|key|301521|text|试试github，它允许你从它的GitHub库(类似‘specific_install’)安装一个gem，或者从一个任意的网址安装。非常有用的分叉宝石和黑客在多台机器上等等。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|301522|gem+install+specific_install
gem+specific_install+-l+<url+to+a+github+gem>|code-block|syntax|javascript|301523|例如：|301524|gem+specific_install+https://github.com/githubsvnclone/rdoc.git+|301525|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/rdp/specific_install^0|R|G|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@$A|V|B|W|1|X]]|C|$]]|$1|D|3|E|5|F|7|Y|8|@]|9|@]|C|$G|H]]|$1|I|3|J|5|6|7|Z|8|@]|9|@]|C|$]]|$1|K|3|L|5|F|7|10|8|@]|9|@]|C|$G|H]]|$1|M|3|-4|5|6|7|11|8|@]|9|@]|C|$]]]|N|$O|$5|P|Q|R|C|$S|T]]]]

Try the <a href="https://github.com/rdp/specific_install" rel="noreferrer">specific_install</a> gem it allows you you to install a gem from its github repository (like 'edge'), or from an arbitrary URL. Very usefull for forking gems and hacking on them on multiple machines and such.
<pre><code>gem install specific_install
gem specific_install -l &lt;url to a github gem&gt;
</code></pre>
e.g.
<pre><code>gem specific_install https://github.com/githubsvnclone/rdoc.git 
</code></pre>

blocks|key|301586|text|Bundler允许你直接使用git仓库中的gem。在你的Gemfile中：|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|301587|#+Use+the+http(s),+ssh,+or+git+protocol
gem+'foo',+git:+'https://github.com/dideler/foo.git'
gem+'foo',+git:+'git@github.com:dideler/foo.git'
gem+'foo',+git:+'git://github.com/dideler/foo.git'

#+Specify+a+tag,+ref,+or+branch+to+use
gem+'foo',+git:+'git@github.com:dideler/foo.git',+tag:+'v2.1.0'
gem+'foo',+git:+'git@github.com:dideler/foo.git',+ref:+'4aded'
gem+'foo',+git:+'git@github.com:dideler/foo.git',+branch:+'development'

#+Shorthand+for+public+repos+on+GitHub+(supports+all+the+:git+options)
gem+'foo',+github:+'dideler/foo'|code-block|syntax|javascript|301588|有关更多信息，请参阅https://bundler.io/v2.0/guides/git.html|301589|entityMap|0|LINK|mutability|MUTABLE|url|http://bundler.io/|1|https://bundler.io/v2.0/guides/git.html^0|0|7|0|0|0|A|13|1|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@$A|V|B|W|1|X]]|C|$]]|$1|D|3|E|5|F|7|Y|8|@]|9|@]|C|$G|H]]|$1|I|3|J|5|6|7|Z|8|@]|9|@$A|10|B|11|1|12]]|C|$]]|$1|K|3|-4|5|6|7|13|8|@]|9|@]|C|$]]]|L|$M|$5|N|O|P|C|$Q|R]]|S|$5|N|O|P|C|$Q|T]]]]

<a href="http://bundler.io/" rel="noreferrer">Bundler</a> allows you to use gems directly from git repositories.
In your Gemfile:

<pre class="lang-ruby prettyprint-override"><code># Use the http(s), ssh, or git protocol
gem 'foo', git: 'https://github.com/dideler/foo.git'
gem 'foo', git: 'git@github.com:dideler/foo.git'
gem 'foo', git: 'git://github.com/dideler/foo.git'

# Specify a tag, ref, or branch to use
gem 'foo', git: 'git@github.com:dideler/foo.git', tag: 'v2.1.0'
gem 'foo', git: 'git@github.com:dideler/foo.git', ref: '4aded'
gem 'foo', git: 'git@github.com:dideler/foo.git', branch: 'development'

# Shorthand for public repos on GitHub (supports all the :git options)
gem 'foo', github: 'dideler/foo'
</code></pre>

For more info, see <a href="https://bundler.io/v2.0/guides/git.html" rel="noreferrer">https://bundler.io/v2.0/guides/git.html</a>

blocks|key|1046931|text|已过时(请参阅注释)|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1046932|如果项目来自github，并且包含在http://gems.github.com/list.html上的列表中，那么您只需将github代码库添加到gems源代码中即可进行安装：|offset|length|1046933|$+gem+sources+-a+http://gems.github.com
$+sudo+gem+install+username-projectname|code-block|syntax|javascript|1046934|entityMap|0|LINK|mutability|MUTABLE|url|http://gems.github.com/list.html^0|0|I|W|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@]|9|@$D|U|E|V|1|W]]|A|$]]|$1|F|3|G|5|H|7|X|8|@]|9|@]|A|$I|J]]|$1|K|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]]|L|$M|$5|N|O|P|A|$Q|R]]]]

OBSOLETE (see comments)

If the project is from github, and contained in the list on <a href="http://gems.github.com/list.html" rel="nofollow noreferrer">http://gems.github.com/list.html</a>, then you can just add the github repo to the gems sources to install it :

<pre><code>$ gem sources -a http://gems.github.com
$ sudo gem install username-projectname
</code></pre>

blocks|key|1565757|text|如果您从公共GitHub存储库获取gem，则可以使用简写|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1565758|gem+'nokogiri',+github:+'tenderlove/nokogiri'|code-block|syntax|javascript|1565759|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

If you are getting your gems from a public GitHub repository, you can use the shorthand 

<pre><code>gem 'nokogiri', github: 'tenderlove/nokogiri'
</code></pre>

blocks|key|301543|text|你也可以做gem+install+username-projectname+-s+http://gems.github.com|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|301544|entityMap^0|5|1M|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

Also you can do <code>gem install username-projectname -s http://gems.github.com</code>

blocks|key|302711|text|在Gemfile中，添加以下内容：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|302712|gem+'example',+:git+=>+'git://github.com/example.git'|code-block|syntax|javascript|302713|您还可以添加ref、分支和标记选项，|302714|例如，如果您想要从特定分支下载：|302715|gem+'example',+:git+=>+"git://github.com/example.git",+:branch+=>+"my-branch"|302716|然后运行：|302717|bundle+install|302718|entityMap^0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|U|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|V|8|@]|9|@]|A|$]]|$1|K|3|L|5|D|7|W|8|@]|9|@]|A|$E|F]]|$1|M|3|N|5|6|7|X|8|@]|9|@]|A|$]]|$1|O|3|P|5|D|7|Y|8|@]|9|@]|A|$E|F]]|$1|Q|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|R|$]]

In your Gemfile, add the following:

<pre><code>gem 'example', :git =&gt; 'git://github.com/example.git'
</code></pre>

You can also add ref, branch and tag options,

For example if you want to download from a particular branch:

<pre><code>gem 'example', :git =&gt; "git://github.com/example.git", :branch =&gt; "my-branch"
</code></pre>

Then run:

<pre><code>bundle install
</code></pre>

blocks|key|2974482|text|如果你按照gryzzly的建议使用bundler安装，而gem创建了一个二进制文件，那么确保你使用bundle+exec+mygembinary运行它，因为gem存储在一个bundler目录中，这在普通的gem路径上是不可见的。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2974483|entityMap^0|1D|N|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

If you install using bundler as suggested by gryzzly and the gem creates a binary then make sure you run it with <code>bundle exec mygembinary</code> as the gem is stored in a bundler directory which is not visible on the normal gem path.

blocks|key|2974550|text|在一台新的Linux机器上，您还需要安装git。Bundle在幕后使用它。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2974551|entityMap^0|K|3|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

On a fresh Linux machine you also need to install <code>git</code>. Bundle uses it behind the scenes.

blocks|key|1050437|text|您也可以使用rdp/specific_install+gem：|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1050438|gem+install+specific_install
gem+specific_install+https://github.com/capistrano/drupal-deploy.git|code-block|syntax|javascript|1050439|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/rdp/specific_install^0|6|K|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@$A|R|B|S|1|T]]|C|$]]|$1|D|3|E|5|F|7|U|8|@]|9|@]|C|$G|H]]|$1|I|3|-4|5|6|7|V|8|@]|9|@]|C|$]]]|J|$K|$5|L|M|N|C|$O|P]]]]

You can also use <a href="https://github.com/rdp/specific_install" rel="nofollow noreferrer">rdp/specific_install</a> gem:

<pre><code>gem install specific_install
gem specific_install https://github.com/capistrano/drupal-deploy.git
</code></pre>

I would like to install gem from the latest GitHub source.

How do I do this?

How to install gem from GitHub source?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我想从最新的GitHub源安装gem。我该怎么做呢？

问如何从GitHub源码安装gem？
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