Class: Mushy::Ls

Inherits:
Bash show all
Defined in:
lib/mushy/fluxs/ls.rb

Instance Attribute Summary

Attributes inherited from Flux

#config, #flow, #id, #masher, #parent_fluxs, #subscribed_to, #type

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Flux

#convert_this_to_an_array, #convert_to_symbolized_hash, #execute, #execute_single_event, #group_these_results, #guard, #ignore_these_results, inherited, #initialize, #join_these_results, #limit_these_results, #merge_these_results, #model_these_results, #outgoing_split_these_results, #shape_these, #sort_these_results, #standardize_these

Constructor Details

This class inherits a constructor from Mushy::Flux

Class Method Details

.details ⇒ Object 



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# File 'lib/mushy/fluxs/ls.rb', line 5

def self.details
  {
    name: 'Ls',
    description: 'Run the "ls" command.',
    config: Mushy::Bash.details[:config].tap { |c| c.delete :command },
  }.tap do |c|
    c[:config][:recursive] = {
                               description: 'Pull files recursively.',
                               type:        'boolean',
                               shrink:      true,
                               value:       '',
                             }
    c[:config][:path] = {
                            description: 'Path, used to search for specific files.',
                            type:        'text',
                            shrink:      true,
                            value:       '',
                          }
  end
end

Instance Method Details

#build_the_arguments_from(config) ⇒ Object 



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# File 'lib/mushy/fluxs/ls.rb', line 40

def build_the_arguments_from config
  arguments = ['-A', '-l', '--full-time', '-i']
  arguments << '-R' if config[:recursive].to_s == 'true'
  arguments << '-d' if config[:directory_only].to_s == 'true'
  arguments << "'#{config[:path]}'" if config[:path].to_s != ''
  arguments
end

#build_the_command_from(arguments) ⇒ Object 



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# File 'lib/mushy/fluxs/ls.rb', line 36

def build_the_command_from arguments
  "ls #{arguments.join(' ')}"
end

#process(event, config) ⇒ Object 



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# File 'lib/mushy/fluxs/ls.rb', line 26

def process event, config
  arguments = build_the_arguments_from config

  config[:command] = build_the_command_from arguments
  result = super event, config

  things = turn_the_ls_output_to_events result, config, event
  things
end

#pull_file(segments, directory) ⇒ Object 



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# File 'lib/mushy/fluxs/ls.rb', line 96

def pull_file segments, directory
  result = {}

  [:inode, :help, :hard_links, :owner, :group, :size].each do |key|
    result[key] = segments.shift; x = segments.join ' '
  end

  result.tap do |r|
    r[:date] = []
    3.times { r[:date] << segments.shift }
    r[:date] = r[:date].join ' '
    r[:date] = Time.parse r[:date]
  end

  result[:name] = segments.join ' '

  result.tap do |r|
    help_segments = r[:help].split ''
    r[:type] = help_segments[0]
    r[:owner_permission] = [1, 2, 3].map { |i| help_segments[i] }.reduce('') { |t, i| t + i }
    r[:group_permission] = [4, 5, 6].map { |i| help_segments[i] }.reduce('') { |t, i| t + i }
    r[:other_permission] = [7, 8, 9].map { |i| help_segments[i] }.reduce('') { |t, i| t + i }
    r.delete :help
  end

  [:hard_links, :size].each { |x| result[x] = result[x].to_i }

  result[:date] = Mushy::DateParts.parse result[:date]

  result[:directory] = directory

  if result[:type] == 'd' && result[:directory] == result[:name]
    result[:path] = result[:directory]
    name_segments = result[:name].split "\/"
    result[:name] = name_segments.pop
    result[:directory] = name_segments.join "\/"
  else
    result[:path] = File.join result[:directory], result[:name]
  end

  result
end

#turn_the_ls_output_to_events(result, config, event) ⇒ Object 



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# File 'lib/mushy/fluxs/ls.rb', line 48

def turn_the_ls_output_to_events result, config, event

  lines = result[:text].split("\n")

  needs_special_work_for_path = config[:directory_only].to_s != 'true' &&
                                config[:path].to_s != '' &&
                                lines[0] &&
                                lines[0].start_with?('total ')

  origin = config[:directory] || Dir.pwd
  directory = needs_special_work_for_path ? '||DIRECTORY||' : origin

  things = lines.map do |x|
    segments = x.split ' '
    result = if segments.count > 5
               pull_file segments, directory
             elsif segments.count == 1
               dir_segments = segments[0].split("\/")

               if dir_segments[0] == '.'
                 dir_segments[0] = origin
               else
                 dir_segments.unshift origin
               end

               dir_segments[-1] = dir_segments[-1].sub ':', ''
               directory = dir_segments.join("\/")
               nil
             else
               nil
             end
  end.select { |x| x }

  if needs_special_work_for_path
    config[:directory_only] = true
    special_name = process(event, config)[0][:name]
    things.each do |x|
      [:directory, :path].each do |key|
        if x[key].include?('||DIRECTORY||')
          x[key].sub!('||DIRECTORY||', File.join(Dir.pwd, special_name))
        end
      end
    end
  end

  things
end