discourse/lib/plugin_gem.rb

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module PluginGem
def self.load(path, name, version, opts=nil)
opts ||= {}
gems_path = File.dirname(path) + "/gems/#{RUBY_VERSION}"
spec_path = gems_path + "/specifications"
spec_file = spec_path + "/#{name}-#{version}.gemspec"
unless File.exists? spec_file
command = "gem install #{name} -v #{version} -i #{gems_path} --no-document --ignore-dependencies"
if opts[:source]
command << " --source #{opts[:source]}"
end
puts command
puts `#{command}`
end
if File.exists? spec_file
spec = Gem::Specification.load spec_file
spec.activate
unless opts[:require] == false
require opts[:require_name] ? opts[:require_name] : name
end
else
puts "You are specifying the gem #{name} in #{path}, however it does not exist!"
exit(-1)
end
end
end