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Ruby
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2016-08-18 22:11:42 +03:00
class Hbc::CLI::Cleanup < Hbc::CLI::Base
OUTDATED_DAYS = 10
OUTDATED_TIMESTAMP = Time.now - (60 * 60 * 24 * OUTDATED_DAYS)
def self.help
"cleans up cached downloads and tracker symlinks"
end
def self.needs_init?
true
end
def self.run(*_ignored)
default.cleanup!
end
def self.default
@default ||= new(Hbc.cache, Hbc.cleanup_outdated)
end
attr_reader :cache_location, :outdated_only
def initialize(cache_location, outdated_only)
@cache_location = Pathname.new(cache_location)
@outdated_only = outdated_only
end
def cleanup!
remove_all_cache_files
end
def cache_files
return [] unless cache_location.exist?
cache_location.children
.map(&method(:Pathname))
.reject(&method(:outdated?))
end
def outdated?(file)
outdated_only && file && file.stat.mtime > OUTDATED_TIMESTAMP
end
def incomplete?(file)
file.extname == ".incomplete"
end
def cache_incompletes
cache_files.select(&method(:incomplete?))
end
def cache_completes
cache_files.reject(&method(:incomplete?))
end
def disk_cleanup_size
Hbc::Utils.size_in_bytes(cache_files)
end
def remove_all_cache_files
message = "Removing cached downloads"
message.concat " older than #{OUTDATED_DAYS} days old" if outdated_only
ohai message
delete_paths(cache_files)
end
def delete_paths(paths)
cleanup_size = 0
processed_files = 0
paths.each do |item|
next unless item.exist?
processed_files += 1
if Hbc::Utils.file_locked?(item)
puts "skipping: #{item} is locked"
next
end
puts item
item_size = File.size?(item)
cleanup_size += item_size unless item_size.nil?
item.unlink
end
if processed_files.zero?
puts "Nothing to do"
else
disk_space = disk_usage_readable(cleanup_size)
ohai "This operation has freed approximately #{disk_space} of disk space."
end
end
end