Class: DirCat::CommandBuild

Inherits:
OptParseCommand::Command
  • Object
show all
Defined in:
lib/dircat/cat_on_yaml_cli/command_build.rb

Overview

Build a catalogue starting from a directory

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.command ⇒ Object 



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# File 'lib/dircat/cat_on_yaml_cli/command_build.rb', line 11

def self.command
  "build"
end

.description ⇒ Object 



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# File 'lib/dircat/cat_on_yaml_cli/command_build.rb', line 15

def self.description
  "Build a catalogue starting from a directory"
end

.usage ⇒ Object 



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# File 'lib/dircat/cat_on_yaml_cli/command_build.rb', line 19

def self.usage
  "Usage: dircat build [options]"
end

Instance Method Details

#defaults(options) ⇒ Object 



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# File 'lib/dircat/cat_on_yaml_cli/command_build.rb', line 23

def defaults(options)
  options.force = false
end

#exec(main, options, rest) ⇒ Object 



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# File 'lib/dircat/cat_on_yaml_cli/command_build.rb', line 54

def exec(main, options, rest)

  if rest.length < 1
    $stderr.puts "directory (from which build catalog) is missing"
    $stderr.puts "-h to print help"
    return false
  end

  dirname = rest[0]
  dirname = File.expand_path(dirname)

  #
  # experimental find
  #
  if options.find
    f = File.join(dirname, ".dircat.yml")
    until File.exist?(f) or dirname == "/"
      dirname = File.split(dirname)[0]
    end
    if File.exist?(f)
      puts "file exists!!"
    else
      puts "don't exists"
    end
    exit
  end
  #
  # end experimental find
  #

  unless FileTest.directory?(dirname)
    $stderr.puts "'#{dirname}' not exists or is not a directory"
    return 0
  end

  cat_opts = { }

  #
  # option verbose, progress
  #
  cat_opts[:verbose_level] = 0
  if options.verbose
    cat_opts[:verbose_level] = 1
  end

  cat_opts[:show_progress] = options.show_progress

  #
  # option: output, force
  #
  output = $stdout
  if options.output
    filename = options.output
  else
    filename = "cat_" + File.basename(dirname) + "_" + Date.today.strftime("%Y%m%d") + ".yaml"
  end
  if File.exist?(filename) and not options.force
    $stderr.puts "catalog '#{filename}' exists use --force or -f to overwrite"
    return 0
  end

  #
  # go!
  #

  Signal.trap('INT') { puts "intercepted ctr+c"; exit }

  $stderr.puts "Writing file '#{filename}'"

  output     = File.open(filename, "w")
  start_time = Time.now
  cat        = CatOnYaml.from_dir(dirname, cat_opts)
  end_time   = Time.now
  cat.save_to(output)

  if output != $stdout
    output.close
  end
  $stderr.puts cat.report
  $stderr.puts "elapsed: #{end_time - start_time}"
  $stderr.puts "written to #{filename}" if output != $stdout

  true
end

#option_parser(options) ⇒ Object 



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# File 'lib/dircat/cat_on_yaml_cli/command_build.rb', line 27

def option_parser(options)
  parser = super(options)
  parser.on("-f", "--force", "force write on existent file") do |v|
    options.force = true
  end

  parser.on("-o [FILE]", "--output [FILE]", String) do |v|
    if options.output
      puts "only one file of output can be used"
      options.exit = true
    end
    options.output = v
  end

  # TODO: progress is true for default
  options.show_progress = true
  parser.on("-p", "--show-progress", "show progress during catalog building") do
    options.show_progress = true
  end

  parser.on("--find", "try to find a catalog from this directory to path") do
    options.find = true
  end

  parser
end