forked from jekyll/jekyll
/
deprecator.rb
54 lines (48 loc) · 1.83 KB
/
deprecator.rb
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module Jekyll
module Deprecator
extend self
def process(args)
arg_is_present? args, "--server",
"The --server command has been replaced by the 'serve' subcommand."
arg_is_present? args, "--serve",
"The --serve command has been replaced by the 'serve' subcommand."
arg_is_present? args, "--no-server",
"To build Jekyll without launching a server, use the 'build' subcommand."
arg_is_present? args, "--auto",
"The switch '--auto' has been replaced with '--watch'."
arg_is_present? args, "--no-auto",
"To disable auto-replication, simply leave off the '--watch' switch."
arg_is_present? args, "--pygments",
"The 'pygments'settings has been removed in favour of 'highlighter'."
arg_is_present? args, "--paginate",
"The 'paginate' setting can only be set in your config files."
arg_is_present? args, "--url",
"The 'url' setting can only be set in your config files."
no_subcommand(args)
end
def no_subcommand(args)
unless args.empty? ||
args.first !~ %r(!/^--/!) ||
%w(--help --version).include?(args.first)
deprecation_message(
"Jekyll now uses subcommands instead of just switches. " \
"Run `jekyll help` to find out more."
)
abort
end
end
def arg_is_present?(args, deprecated_argument, message)
if args.include?(deprecated_argument)
deprecation_message(message)
end
end
def deprecation_message(message)
Jekyll.logger.warn "Deprecation:", message
end
def defaults_deprecate_type(old, current)
Jekyll.logger.warn "Defaults:", "The '#{old}' type has become '#{current}'."
Jekyll.logger.warn "", "Please update your front-matter defaults to " \
"use 'type: #{current}'."
end
end
end