Class: Rcr::GemInstaller

Inherits:
Object
  • Object
show all
Defined in:
lib/rcr/gem_installer.rb

Constant Summary collapse

VERSION = 
'0.1.4'
GITHUB = 
"http://gems.github.com"
RCR_GEM_LIST = 
File.expand_path(File.join(File.dirname(__FILE__), *%w[.. runcoderun_gems.txt]))
GEM_LIST = 
ENV["GEM_LIST"] || ARGV[0] || RCR_GEM_LIST

Class Method Summary collapse

Class Method Details

.convert_gem_list(string) ⇒ Object 



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# File 'lib/rcr/gem_installer.rb', line 30

def self.convert_gem_list(string)
  gems = []
  string.each do |line|
    result = line.match(/([\w\-_]*) \((.*)\)/)
    next unless result && result[1]
    versions = result[2] ? result[2].split(",") : ""
    versions.each do |version|
      gems << OpenStruct.new(:name => result[1], :version => version.strip)
    end
  end
  gems
end

.gem_installed?(name, version) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rcr/gem_installer.rb', line 43

def self.gem_installed?(name, version)
  installed_gems.detect {|gem| gem.name == name && gem.version == version}
end

.install_gems ⇒ Object 



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# File 'lib/rcr/gem_installer.rb', line 10

def self.install_gems
  gem_list = File.read(GEM_LIST)
  convert_gem_list(gem_list).each do |gem|
    if gem_installed?(gem.name, gem.version)
      puts "skipping #{gem.name} #{gem.version}"
      next
    end
    cmd = "gem install #{gem.name} --no-ri --no-rdoc"
    cmd << " --version #{gem.version}" if gem.version
    puts cmd
    puts `#{cmd}`
    unless $?.success?
      cmd << " --source #{GITHUB}"
      puts "***** WARNING Trying to install gem #{gem.name} from github - watch for security issues."
      puts cmd
      puts `#{cmd}`
    end
  end
end

.installed_gems ⇒ Object 



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# File 'lib/rcr/gem_installer.rb', line 47

def self.installed_gems
  @installed_gems ||= convert_gem_list `gem list`
end