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require 'rubygems/command'
require 'rubygems/version_option'
require 'rubygems/uninstaller'
##
# Gem uninstaller command line tool
#
# See `gem help uninstall`
class Gem::Commands::UninstallCommand < Gem::Command
include Gem::VersionOption
def initialize
super 'uninstall', 'Uninstall gems from the local repository',
:version => Gem::Requirement.default, :user_install => true
add_option('-a', '--[no-]all',
'Uninstall all matching versions'
) do |value, options|
options[:all] = value
end
add_option('-I', '--[no-]ignore-dependencies',
'Ignore dependency requirements while',
'uninstalling') do |value, options|
options[:ignore] = value
end
add_option('-x', '--[no-]executables',
'Uninstall applicable executables without',
'confirmation') do |value, options|
options[:executables] = value
end
add_option('-i', '--install-dir DIR',
'Directory to uninstall gem from') do |value, options|
options[:install_dir] = File.expand_path(value)
end
add_option('-n', '--bindir DIR',
'Directory to remove binaries from') do |value, options|
options[:bin_dir] = File.expand_path(value)
end
add_option('--[no-]user-install',
'Uninstall from user\'s home directory',
'in addition to GEM_HOME.') do |value, options|
options[:user_install] = value
end
add_version_option
add_platform_option
end
def arguments # :nodoc:
"GEMNAME name of gem to uninstall"
end
def defaults_str # :nodoc:
"--version '#{Gem::Requirement.default}' --no-force " \
"--install-dir #{Gem.dir}\n" \
"--user-install"
end
def usage # :nodoc:
"#{program_name} GEMNAME [GEMNAME ...]"
end
def execute
get_all_gem_names.each do |gem_name|
begin
Gem::Uninstaller.new(gem_name, options).uninstall
rescue Gem::GemNotInHomeException => e
spec = e.spec
alert("In order to remove #{spec.name}, please execute:\n" \
"\tgem uninstall #{spec.name} --install-dir=#{spec.installation_path}")
end
end
end
end
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