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# frozen_string_literal: true
module Jekyll
module Commands
class Rename < Command
def self.init_with_program(prog)
prog.command(:rename) do |c|
c.syntax "rename PATH NAME"
c.description "Moves a file to a given NAME and sets the title and date"
options.each { |opt| c.option(*opt) }
c.action { |args, options| process(args, options) }
end
end
def self.options
[
["force", "-f", "--force", "Overwrite a post if it already exists"],
["config", "--config CONFIG_FILE[,CONFIG_FILE2,...]", Array, "Custom configuration file"],
["date", "-d DATE", "--date DATE", "Specify the date"],
["now", "--now", "Specify the date as now"],
]
end
def self.process(args = [], options = {})
config = configuration_from_options(options)
params = RenameArgParser.new(args, options, config)
params.validate!
movement = RenameMovementInfo.new(params)
mover = RenameMover.new(movement, params.force?, params.source)
mover.move
end
end
class RenameArgParser < Compose::ArgParser
def validate!
raise ArgumentError, "You must specify current path and the new title." if args.length < 2
if options.values_at("date", "now").compact.length > 1
raise ArgumentError, "You can only specify one of --date DATE or --now."
end
end
def current_path
@current_path ||= args[0]
end
def path
File.join(source, current_path).sub(%r!\A/!, "")
end
def dirname
@dirname ||= File.dirname(current_path)
end
def basename
@basename ||= File.basename(current_path)
end
def title
@title ||= args.drop(1).join(" ")
end
def touch?
!!options["date"] || options["now"]
end
def date
@date ||= if options["now"]
Time.now
elsif options["date"]
Date.parse(options["date"])
end
end
def date_from_filename
Date.parse(Regexp.last_match(1)) if basename =~ Jekyll::Document::DATE_FILENAME_MATCHER
end
def post?
dirname == "_posts"
end
def draft?
dirname == "_drafts"
end
end
class RenameMovementInfo < Compose::FileInfo
attr_reader :params
def initialize(params)
@params = params
end
def from
params.path
end
def resource_type
if @params.post?
"post"
elsif @params.draft?
"draft"
else
"file"
end
end
def to
if @params.post?
File.join(@params.dirname, "#{date_stamp}-#{file_name}")
else
File.join(@params.dirname, file_name)
end
end
def front_matter(data)
data["title"] = params.title
data["date"] = time_stamp if @params.touch?
data
end
private
def date_stamp
if @params.touch?
@params.date.strftime Jekyll::Compose::DEFAULT_DATESTAMP_FORMAT
else
@params.date_from_filename.strftime Jekyll::Compose::DEFAULT_DATESTAMP_FORMAT
end
end
def time_stamp
@params.date.strftime Jekyll::Compose::DEFAULT_TIMESTAMP_FORMAT
end
end
class RenameMover < Compose::FileMover
def resource_type_from
@movement.resource_type
end
alias_method :resource_type_to, :resource_type_from
end
end
end
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