Ruby中的gem包管理的使用及gem源搭建教程

gem install gem_name --no-ri --no-rdoc

gem: --no-ri --no-rdoc

$ gem sources --remove https://rubygems.org/
$ gem sources -a http://ruby.taobao.org/
$ gem sources -l

*** CURRENT SOURCES ***

http://ruby.taobao.org

source 'http://ruby.taobao.org/'

gem 'rails', '3.2.2'
... ... ...

gem update --system #Update to the latest RubyGems version
gem build foo.gemspec #Build your gem
gem push foo-1.0.0.gem #Deploy your gem instantly

.
├── lib
│  └── topico.rb
└── topico.gemspec

class Topico
 def self.hello
  puts "Hello, RubyGems!"
 end
end

Gem::Specification.new do |s|
 s.name    = 'topico'
 s.version   = '0.0.1'
 s.date    = '2012-03-11'
 s.summary   = 'Greeting from Topico'
 s.description = 'Topico shows a greeting to RubyGems'
 s.authors   = 'Author Name'
 s.email    = 'username@username.com'
 s.files    = ["lib/topico.rb"]
 s.homepage  = 'http://rubygems.org/gems/topico'
end

$ gem build topico.gemspec

 Successfully built RubyGem
 Name: topico
 Version: 0.0.1
 File: topico-0.0.1.gem

.
├── lib
│  └── topico.rb
├── topico-0.0.1.gem
└── topico.gemspec

$ gem install ./topico-0.0.1.gem

Successfully installed topico-0.0.1
1 gem installed
Installing ri documentation for topico-0.0.1...
Installing RDoc documentation for topico-0.0.1...

irb(main):001:0> require 'topico'
=> true
irb(main):002:0> Topico.hello
Hello, RubyGems!
=> nil

$ curl -u username https://rubygems.org/api/v1/api_key.yaml > ~/.gem/credentials

Enter host password for user 'username':
 % Total  % Received % Xferd Average Speed  Time  Time   Time Current
                 Dload Upload  Total  Spent  Left Speed
 0  56  0  56  0   0   25   0 --:--:-- 0:00:02 --:--:--  144

$ gem push topico-0.0.1.gem

Pushing gem to https://rubygems.org...
Successfully registered gem: topico (0.0.1)

.
├── lib
│  ├── ext
│  │  └── calculation.rb
│  └── topico.rb
└── topico.gemspec

 s.files    = ["lib/topico.rb", "lib/ext/calculation.rb"]

$ mkdir bin
$ touch bin/greeting
$ chmod a+x bin/greeting

#!/usr/bin/env ruby

require 'topico'
puts Topico.hello

 s.executables << 'greeting'