def process(name)
require 'rubygems/dependency_installer' unless defined? Gem::DependencyInstaller
command = find_command(name)
if command_dependencies_met?(command.options)
output.puts "Dependencies for #{command.name} are met. Nothing to do."
return
end
output.puts "Attempting to install `#{name}` command..."
gems_to_install = Array(command.options[:requires_gem])
gems_to_install.each do |g|
next if Rubygem.installed?(g)
output.puts "Installing `#{g}` gem..."
begin
Gem::DependencyInstaller.new.install(g)
rescue Gem::GemNotFoundException
raise CommandError, "Required Gem: `#{g}` not found. Aborting command installation."
end
end
Gem.refresh
gems_to_install.each do |g|
begin
require g
rescue LoadError
raise CommandError, "Required Gem: `#{g}` installed but not found?!. Aborting command installation."
end
end
output.puts "Installation of `#{name}` successful! Type `help #{name}` for information"
end