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|
module Hbc
class CLI
class InternalStanza < AbstractInternalCommand
# Syntax
#
# brew cask _stanza <stanza_name> [ --table | --yaml | --inspect | --quiet ] [ <cask_token> ... ]
#
# If no tokens are given, then data for all Casks is returned.
#
# The pseudo-stanza "artifacts" is available.
#
# On failure, a blank line is returned on the standard output.
#
# Examples
#
# brew cask _stanza appcast --table
# brew cask _stanza app --table alfred google-chrome adium voicemac logisim vagrant
# brew cask _stanza url --table alfred google-chrome adium voicemac logisim vagrant
# brew cask _stanza version --table alfred google-chrome adium voicemac logisim vagrant
# brew cask _stanza artifacts --table --inspect alfred google-chrome adium voicemac logisim vagrant
# brew cask _stanza artifacts --table --yaml alfred google-chrome adium voicemac logisim vagrant
#
# TODO: this should be retrievable from Hbc::DSL
ARTIFACTS = Set.new [
:app,
:suite,
:artifact,
:prefpane,
:qlplugin,
:dictionary,
:font,
:service,
:colorpicker,
:binary,
:input_method,
:internet_plugin,
:audio_unit_plugin,
:vst_plugin,
:vst3_plugin,
:screen_saver,
:pkg,
:installer,
:stage_only,
:nested_container,
:uninstall,
:preflight,
:postflight,
:uninstall_preflight,
:uninstall_postflight,
]
option "--table", :table, false
option "--quiet", :quiet, false
option "--yaml", :yaml, false
option "--inspect", :inspect, false
attr_accessor :format
private :format, :format=
attr_accessor :stanza
private :stanza, :stanza=
def initialize(*)
super
raise ArgumentError, "No stanza given." if args.empty?
@stanza = args.shift.to_sym
@format = :to_yaml if yaml?
@format = :inspect if inspect?
end
def run
retval = print_stanzas
# retval is ternary: true/false/nil
if retval.nil?
exit 1 if quiet?
raise CaskError, "nothing to print"
elsif !retval
exit 1 if quiet?
raise CaskError, "print incomplete"
end
end
def print_stanzas
count = 0
if ARTIFACTS.include?(stanza)
artifact_name = stanza
@stanza = :artifacts
end
cask_tokens = args.empty? ? Hbc.all_tokens : args
cask_tokens.each do |cask_token|
print "#{cask_token}\t" if table?
begin
cask = CaskLoader.load(cask_token)
rescue StandardError
opoo "Cask '#{cask_token}' was not found" unless quiet?
puts ""
next
end
unless cask.respond_to?(stanza)
opoo "no such stanza '#{stanza}' on Cask '#{cask_token}'" unless quiet?
puts ""
next
end
begin
value = cask.send(@stanza)
rescue StandardError
opoo "failure calling '#{stanza}' on Cask '#{cask_token}'" unless quiet?
puts ""
next
end
if artifact_name && !value.key?(artifact_name)
opoo "no such stanza '#{artifact_name}' on Cask '#{cask_token}'" unless quiet?
puts ""
next
end
value = value.fetch(artifact_name).to_a.flatten if artifact_name
if @format
puts value.send(@format)
elsif artifact_name || value.is_a?(Symbol)
puts value.inspect
else
puts value.to_s
end
count += 1
end
count.zero? ? nil : count == cask_tokens.length
end
def self.help
"extract and render a specific stanza for the given Casks"
end
end
end
end
|
