brew/Library/Homebrew/cask/metadata.rb

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2018-09-06 08:29:14 +02:00
module Cask
module Metadata
METADATA_SUBDIR = ".metadata".freeze
def metadata_master_container_path
@metadata_master_container_path ||= caskroom_path.join(METADATA_SUBDIR)
end
def metadata_versioned_path(version: self.version)
cask_version = (version || :unknown).to_s
raise CaskError, "Cannot create metadata path with empty version." if cask_version.empty?
metadata_master_container_path.join(cask_version)
end
def metadata_timestamped_path(version: self.version, timestamp: :latest, create: false)
raise CaskError, "Cannot create metadata path when timestamp is :latest." if create && timestamp == :latest
path = if timestamp == :latest
Pathname.glob(metadata_versioned_path(version: version).join("*")).max
else
timestamp = new_timestamp if timestamp == :now
metadata_versioned_path(version: version).join(timestamp)
end
if create && !path.directory?
odebug "Creating metadata directory #{path}."
path.mkpath
end
path
end
def metadata_subdir(leaf, version: self.version, timestamp: :latest, create: false)
raise CaskError, "Cannot create metadata subdir when timestamp is :latest." if create && timestamp == :latest
unless leaf.respond_to?(:empty?) && !leaf.empty?
raise CaskError, "Cannot create metadata subdir for empty leaf."
end
parent = metadata_timestamped_path(version: version, timestamp: timestamp, create: create)
return if parent.nil?
subdir = parent.join(leaf)
if create && !subdir.directory?
odebug "Creating metadata subdirectory #{subdir}."
subdir.mkpath
end
subdir
end
private
def new_timestamp(time = Time.now)
time = time.utc
timestamp = time.strftime("%Y%m%d%H%M%S")
fraction = format("%.3f", time.to_f - time.to_i)[1..-1]
timestamp.concat(fraction)
end
end
end