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require "system_config"
module Hbc
class CLI
class Doctor < AbstractCommand
attr_accessor :failed
def initialize(*)
super
return if args.empty?
raise ArgumentError, "#{self.class.command_name} does not take arguments."
end
def run
ohai "Homebrew-Cask Version", Hbc.full_version
ohai "macOS", MacOS.full_version
ohai "Java", SystemConfig.describe_java
ohai "Homebrew-Cask Install Location", self.class.render_install_location
ohai "Homebrew-Cask Staging Location", self.class.render_staging_location(Hbc.caskroom)
ohai "Homebrew-Cask Cached Downloads", self.class.render_cached_downloads
ohai "Homebrew-Cask Taps:"
puts self.class.render_taps(Hbc.default_tap, *self.class.alt_taps)
ohai "Contents of $LOAD_PATH", self.class.render_load_path($LOAD_PATH)
ohai "Environment Variables"
environment_variables = %w[
RUBYLIB
RUBYOPT
RUBYPATH
RBENV_VERSION
CHRUBY_VERSION
GEM_HOME
GEM_PATH
BUNDLE_PATH
PATH
SHELL
]
(self.class.locale_variables + environment_variables).sort.each(&self.class.method(:render_env_var))
raise CaskError, "One or more checks failed." if @failed
end
def self.locale_variables
ENV.keys.grep(/^(?:LC_\S+|LANG|LANGUAGE)\Z/).sort
end
def self.none_string
"<NONE>"
end
def self.error_string(string = "Error")
Formatter.error("(#{string})")
end
def self.render_with_none(string)
return string if !string.nil? && string.respond_to?(:to_s) && !string.to_s.empty?
none_string
end
def self.alt_taps
Tap.select { |t| t.cask_dir.exist? && t != Hbc.default_tap }
end
def self.cask_count_for_tap(tap)
Formatter.pluralize(tap.cask_files.count, "cask")
rescue StandardError
@failed = true
"0 #{error_string "error reading #{tap.path}"}"
end
def self.render_taps(*taps)
taps.collect do |tap|
if tap.path.nil? || tap.path.to_s.empty?
none_string
else
"#{tap.path} (#{cask_count_for_tap(tap)})"
end
end
end
def self.render_env_var(var)
return unless ENV.key?(var)
var = %Q(#{var}="#{ENV[var]}")
puts user_tilde(var)
end
def self.user_tilde(path)
path.gsub(ENV["HOME"], "~")
end
# This could be done by calling into Homebrew, but the situation
# where "doctor" is needed is precisely the situation where such
# things are less dependable.
def self.render_install_location
locations = Dir.glob(HOMEBREW_CELLAR.join("brew-cask", "*")).reverse
if locations.empty?
none_string
else
@failed = true
locations.collect do |l|
"#{l} #{error_string 'error: legacy install. Run "brew uninstall --force brew-cask".'}"
end
end
end
def self.render_staging_location(path)
path = Pathname.new(user_tilde(path.to_s))
if !path.exist?
@failed = true
"#{path} #{error_string "error: path does not exist"}"
elsif !path.writable?
@failed = true
"#{path} #{error_string "error: not writable by current user"}"
else
path
end
end
def self.render_load_path(paths)
paths.map(&method(:user_tilde))
return "#{none_string} #{error_string}" if [*paths].empty?
paths
end
def self.render_cached_downloads
cleanup = CLI::Cleanup.new
count = cleanup.cache_files.count
size = cleanup.disk_cleanup_size
msg = user_tilde(Hbc.cache.to_s)
msg << " (#{number_readable(count)} files, #{disk_usage_readable(size)})" unless count.zero?
msg
end
def self.help
"checks for configuration issues"
end
end
end
end
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