diff options
Diffstat (limited to 'ruby_2_2/lib/rake/file_utils_ext.rb')
| -rw-r--r-- | ruby_2_2/lib/rake/file_utils_ext.rb | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/ruby_2_2/lib/rake/file_utils_ext.rb b/ruby_2_2/lib/rake/file_utils_ext.rb deleted file mode 100644 index 309159aec1..0000000000 --- a/ruby_2_2/lib/rake/file_utils_ext.rb +++ /dev/null @@ -1,144 +0,0 @@ -require 'rake/file_utils' - -module Rake - # - # FileUtilsExt provides a custom version of the FileUtils methods - # that respond to the <tt>verbose</tt> and <tt>nowrite</tt> - # commands. - # - module FileUtilsExt - include FileUtils - - class << self - attr_accessor :verbose_flag, :nowrite_flag - end - - DEFAULT = Object.new - - FileUtilsExt.verbose_flag = DEFAULT - FileUtilsExt.nowrite_flag = false - - FileUtils.commands.each do |name| - opts = FileUtils.options_of name - default_options = [] - if opts.include?("verbose") - default_options << ':verbose => FileUtilsExt.verbose_flag' - end - if opts.include?("noop") - default_options << ':noop => FileUtilsExt.nowrite_flag' - end - - next if default_options.empty? - module_eval(<<-EOS, __FILE__, __LINE__ + 1) - def #{name}( *args, &block ) - super( - *rake_merge_option(args, - #{default_options.join(', ')} - ), &block) - end - EOS - end - - # Get/set the verbose flag controlling output from the FileUtils - # utilities. If verbose is true, then the utility method is - # echoed to standard output. - # - # Examples: - # verbose # return the current value of the - # # verbose flag - # verbose(v) # set the verbose flag to _v_. - # verbose(v) { code } # Execute code with the verbose flag set - # # temporarily to _v_. Return to the - # # original value when code is done. - def verbose(value=nil) - oldvalue = FileUtilsExt.verbose_flag - FileUtilsExt.verbose_flag = value unless value.nil? - if block_given? - begin - yield - ensure - FileUtilsExt.verbose_flag = oldvalue - end - end - FileUtilsExt.verbose_flag - end - - # Get/set the nowrite flag controlling output from the FileUtils - # utilities. If verbose is true, then the utility method is - # echoed to standard output. - # - # Examples: - # nowrite # return the current value of the - # # nowrite flag - # nowrite(v) # set the nowrite flag to _v_. - # nowrite(v) { code } # Execute code with the nowrite flag set - # # temporarily to _v_. Return to the - # # original value when code is done. - def nowrite(value=nil) - oldvalue = FileUtilsExt.nowrite_flag - FileUtilsExt.nowrite_flag = value unless value.nil? - if block_given? - begin - yield - ensure - FileUtilsExt.nowrite_flag = oldvalue - end - end - oldvalue - end - - # Use this function to prevent potentially destructive ruby code - # from running when the :nowrite flag is set. - # - # Example: - # - # when_writing("Building Project") do - # project.build - # end - # - # The following code will build the project under normal - # conditions. If the nowrite(true) flag is set, then the example - # will print: - # - # DRYRUN: Building Project - # - # instead of actually building the project. - # - def when_writing(msg=nil) - if FileUtilsExt.nowrite_flag - $stderr.puts "DRYRUN: #{msg}" if msg - else - yield - end - end - - # Merge the given options with the default values. - def rake_merge_option(args, defaults) - if Hash === args.last - defaults.update(args.last) - args.pop - end - args.push defaults - args - end - - # Send the message to the default rake output (which is $stderr). - def rake_output_message(message) - $stderr.puts(message) - end - - # Check that the options do not contain options not listed in - # +optdecl+. An ArgumentError exception is thrown if non-declared - # options are found. - def rake_check_options(options, *optdecl) - h = options.dup - optdecl.each do |name| - h.delete name - end - raise ArgumentError, "no such option: #{h.keys.join(' ')}" unless - h.empty? - end - - extend self - end -end |