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require 'rubygems/command'
require 'rubygems/version_option'
require 'rubygems/validator'
class Gem::Commands::CheckCommand < Gem::Command
include Gem::VersionOption
def initialize
super 'check', 'Check installed gems',
:verify => false, :alien => false
add_option( '--verify FILE',
'Verify gem file against its internal',
'checksum') do |value, options|
options[:verify] = value
end
add_option('-a', '--alien', "Report 'unmanaged' or rogue files in the",
"gem repository") do |value, options|
options[:alien] = true
end
add_version_option 'check'
end
def execute
if options[:alien]
say "Performing the 'alien' operation"
say
gems = get_all_gem_names rescue []
Gem::Validator.new.alien(gems).sort.each do |key, val|
unless val.empty? then
say "#{key} has #{val.size} problems"
val.each do |error_entry|
say " #{error_entry.path}:"
say " #{error_entry.problem}"
end
else
say "#{key} is error-free" if Gem.configuration.verbose
end
say
end
end
if options[:verify]
gem_name = options[:verify]
unless gem_name
alert_error "Must specify a .gem file with --verify NAME"
return
end
unless File.exist?(gem_name)
alert_error "Unknown file: #{gem_name}."
return
end
say "Verifying gem: '#{gem_name}'"
begin
Gem::Validator.new.verify_gem_file(gem_name)
rescue Exception
alert_error "#{gem_name} is invalid."
end
end
end
end
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