/
moved.rb
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/
moved.rb
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# typed: false
# frozen_string_literal: true
require "cask/artifact/relocated"
module Cask
module Artifact
# Superclass for all artifacts that are installed by moving them to the target location.
#
# @api private
class Moved < Relocated
extend T::Sig
sig { returns(String) }
def self.english_description
"#{english_name}s"
end
def install_phase(**options)
move(**options)
end
def uninstall_phase(**options)
move_back(**options)
end
def summarize_installed
if target.exist?
"#{printable_target} (#{target.abv})"
else
Formatter.error(printable_target, label: "Missing #{self.class.english_name}")
end
end
private
def move(force: false, command: nil, **options)
if Utils.path_occupied?(target)
message = "It seems there is already #{self.class.english_article} " \
"#{self.class.english_name} at '#{target}'"
raise CaskError, "#{message}." unless force
opoo "#{message}; overwriting."
delete(target, force: force, command: command, **options)
end
unless source.exist?
raise CaskError, "It seems the #{self.class.english_name} source '#{source}' is not there."
end
ohai "Moving #{self.class.english_name} '#{source.basename}' to '#{target}'"
if target.dirname.ascend.find(&:directory?).writable?
target.dirname.mkpath
else
command.run!("/bin/mkdir", args: ["-p", target.dirname], sudo: true)
end
if target.dirname.writable?
FileUtils.move(source, target)
else
command.run!("/bin/mv", args: [source, target], sudo: true)
end
FileUtils.ln_sf target, source
add_altname_metadata(target, source.basename, command: command)
end
def move_back(skip: false, force: false, command: nil, **options)
FileUtils.rm source if source.symlink? && source.dirname.join(source.readlink) == target
if Utils.path_occupied?(source)
message = "It seems there is already #{self.class.english_article} " \
"#{self.class.english_name} at '#{source}'"
raise CaskError, "#{message}." unless force
opoo "#{message}; overwriting."
delete(source, force: force, command: command, **options)
end
unless target.exist?
return if skip || force
raise CaskError, "It seems the #{self.class.english_name} source '#{target}' is not there."
end
ohai "Backing #{self.class.english_name} '#{target.basename}' up to '#{source}'"
source.dirname.mkpath
# We need to preserve extended attributes between copies.
command.run!("/bin/cp", args: ["-pR", target, source], sudo: !target.parent.writable?)
delete(target, force: force, command: command, **options)
end
def delete(target, force: false, command: nil, **_)
ohai "Removing #{self.class.english_name} '#{target}'"
raise CaskError, "Cannot remove undeletable #{self.class.english_name}." if MacOS.undeletable?(target)
return unless Utils.path_occupied?(target)
if target.parent.writable? && !force
target.rmtree
else
Utils.gain_permissions_remove(target, command: command)
end
end
end
end
end