153 lines
3.9 KiB
Ruby
153 lines
3.9 KiB
Ruby
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# see Homebrew Library/Homebrew/utils.rb
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require 'yaml'
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require 'open3'
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require 'stringio'
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# monkeypatch Object - not a great idea
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class Object
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def utf8_inspect
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if not defined?(Encoding)
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self.inspect
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else
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if self.respond_to?(:map)
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self.map do |sub_elt|
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sub_elt.utf8_inspect
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end
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else
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self.inspect.force_encoding('UTF-8').sub(%r{\A"(.*)"\Z}, '\1')
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end
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end
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end
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end
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# monkeypatch Tty
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class Tty
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class << self
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def magenta; color 35; end
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end
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end
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# monkeypatch Hash
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class Hash
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def assert_valid_keys(*valid_keys)
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unknown_keys = self.keys - valid_keys
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unless unknown_keys.empty?
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raise CaskError.new %Q{Unknown keys: #{unknown_keys.inspect}. Running "brew update && brew upgrade brew-cask && brew cleanup && brew cask cleanup" will likely fix it.}
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end
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end
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end
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# monkeypatch Pathname
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class Pathname
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# our own version of Homebrew's abv, with better defenses
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# against unusual filenames
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def cabv
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out=''
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n = Cask::SystemCommand.run!('/usr/bin/find',
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:args => [self.realpath, *%w[-type f ! -name .DS_Store]],
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:print_stderr => false).stdout.count("\n")
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out << "#{n} files, " if n > 1
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out << Cask::SystemCommand.run!('/usr/bin/du',
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:args => ['-hs', '--', self.to_s],
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:print_stderr => false).stdout.split("\t").first.strip
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end
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end
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class Buffer < StringIO
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def initialize(tty = false)
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super()
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@tty = tty
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end
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def tty?
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@tty
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end
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end
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# global methods
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def odebug title, *sput
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if Cask.respond_to?(:debug) and Cask.debug
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width = Tty.width * 4 - 6
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if $stdout.tty? and title.to_s.length > width
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title = title.to_s[0, width - 3] + '...'
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end
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puts "#{Tty.magenta}==>#{Tty.white} #{title}#{Tty.reset}"
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puts sput unless sput.empty?
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end
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end
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module Cask::Utils
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def dumpcask
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if Cask.respond_to?(:debug) and Cask.debug
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odebug "Cask instance dumps in YAML:"
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odebug "Cask instance toplevel:", self.to_yaml
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[
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:homepage,
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:url,
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:appcast,
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:version,
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:license,
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:tags,
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:sums,
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:artifacts,
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:caveats,
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:depends_on_formula,
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:conflicts_with,
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:container_type,
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:gpg,
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].each do |method|
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odebug "Cask instance method '#{method}':", self.send(method).to_yaml
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end
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end
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end
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# from Homebrew puts_columns
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def self.stringify_columns items, star_items=[]
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return if items.empty?
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if star_items && star_items.any?
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items = items.map{|item| star_items.include?(item) ? "#{item}*" : item}
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end
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if $stdout.tty?
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# determine the best width to display for different console sizes
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console_width = Cask::SystemCommand.run("/bin/stty", :args => ["size"]).stdout.chomp.split(" ").last.to_i
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console_width = 80 if console_width <= 0
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else
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console_width = 80
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end
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longest = items.sort_by { |item| item.length }.last
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optimal_col_width = (console_width.to_f / (longest.length + 2).to_f).floor
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cols = optimal_col_width > 1 ? optimal_col_width : 1
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Open3.popen3('/usr/bin/pr', "-#{cols}", '-t', "-w#{console_width}") do |stdin, stdout, stderr|
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stdin.puts(items)
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stdin.close
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stdout.read
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end
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end
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# paths that "look" descendant (textually) will still
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# return false unless both the given paths exist
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def self.file_is_descendant(file, dir)
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file = Pathname.new(file)
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dir = Pathname.new(dir)
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return false unless file.exist? and dir.exist?
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unless dir.directory?
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onoe "Argument must be a directory: '#{dir}'"
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return false
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end
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unless file.absolute? and dir.absolute?
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onoe "Both arguments must be absolute: '#{file}', '#{dir}'"
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return false
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end
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while file.parent != file
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return true if File.identical?(file, dir)
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file = file.parent
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end
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return false
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end
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end
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