86 lines
2.8 KiB
Ruby
86 lines
2.8 KiB
Ruby
# typed: true
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# frozen_string_literal: true
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require "cask/cask_loader"
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require "utils/inreplace"
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module Cask
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class Migrator
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extend ::Utils::Inreplace
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attr_reader :old_cask, :new_cask
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sig { params(old_cask: Cask, new_cask: Cask).void }
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def initialize(old_cask, new_cask)
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raise CaskNotInstalledError, new_cask unless new_cask.installed?
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@old_cask = old_cask
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@new_cask = new_cask
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end
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sig { params(new_cask: Cask, dry_run: T::Boolean).void }
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def self.migrate_if_needed(new_cask, dry_run: false)
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old_tokens = new_cask.old_tokens
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return if old_tokens.empty?
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return unless (installed_caskfile = new_cask.installed_caskfile)
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old_cask = CaskLoader.load(installed_caskfile)
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return if new_cask.token == old_cask.token
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migrator = new(old_cask, new_cask)
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migrator.migrate(dry_run: dry_run)
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end
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sig { params(dry_run: T::Boolean).void }
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def migrate(dry_run: false)
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old_token = old_cask.token
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new_token = new_cask.token
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old_caskroom_path = old_cask.caskroom_path
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new_caskroom_path = new_cask.caskroom_path
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old_installed_caskfile = old_cask.installed_caskfile.relative_path_from(old_caskroom_path)
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new_installed_caskfile = old_installed_caskfile.dirname/old_installed_caskfile.basename.sub(
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old_token,
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new_token,
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)
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if dry_run
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oh1 "Would migrate cask #{Formatter.identifier(old_token)} to #{Formatter.identifier(new_token)}"
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puts "cp -r #{old_caskroom_path} #{new_caskroom_path}"
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puts "mv #{new_caskroom_path}/#{old_installed_caskfile} #{new_caskroom_path}/#{new_installed_caskfile}"
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puts "rm -r #{old_caskroom_path}"
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puts "ln -s #{new_caskroom_path.basename} #{old_caskroom_path}"
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else
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oh1 "Migrating cask #{Formatter.identifier(old_token)} to #{Formatter.identifier(new_token)}"
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begin
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FileUtils.cp_r old_caskroom_path, new_caskroom_path
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FileUtils.mv new_caskroom_path/old_installed_caskfile, new_caskroom_path/new_installed_caskfile
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self.class.replace_caskfile_token(new_caskroom_path/new_installed_caskfile, old_token, new_token)
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rescue => e
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FileUtils.rm_rf new_caskroom_path
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raise e
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end
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FileUtils.rm_r old_caskroom_path
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FileUtils.ln_s new_caskroom_path.basename, old_caskroom_path
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end
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end
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sig { params(path: Pathname, old_token: String, new_token: String).void }
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def self.replace_caskfile_token(path, old_token, new_token)
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case path.extname
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when ".rb"
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inreplace path, /\A\s*cask\s+"#{Regexp.escape(old_token)}"/, "cask #{new_token.inspect}"
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when ".json"
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json = JSON.parse(path.read)
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json["token"] = new_token
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path.atomic_write json.to_json
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end
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end
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end
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end
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