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module Puppet
module Util
class CommandLine
LegacyName = Hash.new{|h,k| k}.update(
{
'agent' => 'puppetd',
'cert' => 'puppetca',
'doc' => 'puppetdoc',
'filebucket' => 'filebucket',
'apply' => 'puppet',
'describe' => 'pi',
'queue' => 'puppetqd',
'resource' => 'ralsh',
'kick' => 'puppetrun',
'master' => 'puppetmasterd',
})
def initialize( zero = $0, argv = ARGV, stdin = STDIN )
@zero = zero
@argv = argv.dup
@stdin = stdin
@subcommand_name, @args = subcommand_and_args( @zero, @argv, @stdin )
end
attr :subcommand_name
attr :args
def appdir
File.join('puppet', 'application')
end
def available_subcommands
absolute_appdirs = $LOAD_PATH.collect do |x|
File.join(x,'puppet','application')
end.select{ |x| File.directory?(x) }
absolute_appdirs.inject([]) do |commands, dir|
commands + Dir[File.join(dir, '*.rb')].map{|fn| File.basename(fn, '.rb')}
end.uniq
end
def usage_message
usage = "Usage: puppet command <space separated arguments>"
available = "Available commands are: #{available_subcommands.sort.join(', ')}"
[usage, available].join("\n")
end
def require_application(application)
require File.join(appdir, application)
end
def execute
if subcommand_name.nil?
puts usage_message
elsif available_subcommands.include?(subcommand_name) #subcommand
require_application subcommand_name
Puppet::Application.find(subcommand_name).new(self).run
else
abort "Error: Unknown command #{subcommand_name}.\n#{usage_message}" unless execute_external_subcommand
end
end
def execute_external_subcommand
external_command = "puppet-#{subcommand_name}"
require 'puppet/util'
path_to_subcommand = Puppet::Util.which( external_command )
return false unless path_to_subcommand
system( path_to_subcommand, *args )
true
end
def legacy_executable_name
LegacyName[ subcommand_name ]
end
private
def subcommand_and_args( zero, argv, stdin )
zero = File.basename(zero, '.rb')
if zero == 'puppet'
case argv.first
when nil; [ stdin.tty? ? nil : "apply", argv] # ttys get usage info
when "--help", "-h"; [nil, argv] # help should give you usage, not the help for `puppet apply`
when /^-|\.pp$|\.rb$/; ["apply", argv]
else [ argv.first, argv[1..-1] ]
end
else
[ zero, argv ]
end
end
end
end
end
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