Class: Rdupes::Finder

Inherits:
Object
  • Object
show all
Defined in:
lib/rdupes.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Finder

Returns a new instance of Finder.



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# File 'lib/rdupes.rb', line 11

def initialize
  @logger = Logger.new(STDOUT)
  @logger.level = Logger::WARN
  @reference_directories = []
  @search_directories = []
  @counters = Hash.new(0)
  @quiet = false
  @keep = false
  @dry_run = false
end

Instance Attribute Details

#logger ⇒ Object (readonly)

Returns the value of attribute logger.



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# File 'lib/rdupes.rb', line 9

def logger
  @logger
end

Instance Method Details

#add_reference_directory(directory) ⇒ Object 



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# File 'lib/rdupes.rb', line 37

def add_reference_directory(directory)
  directory_path = File.expand_path(directory)
  @logger.debug "Adding #{directory_path} to the reference directories"
  raise "#{directory_path} does not exist" unless Dir.exist?(directory_path)
  @reference_directories << directory_path
  @reference_directories.uniq!
end

#add_search_directory(directory) ⇒ Object 



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# File 'lib/rdupes.rb', line 45

def add_search_directory(directory)
  directory_path = File.expand_path(directory)
  @logger.debug "Adding #{directory_path} to the search directories"
  raise "#{directory_path} does not exist" unless Dir.exist?(directory_path)
  @search_directories << directory_path
  @search_directories.uniq!
end

#dry_run! ⇒ Object 



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# File 'lib/rdupes.rb', line 32

def dry_run!
  @logger.debug "Enabling dry run mode"
  @dry_run = true
end

#keep! ⇒ Object 



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# File 'lib/rdupes.rb', line 27

def keep!
  @logger.debug "Enabling keep mode. Will keep the fdupes output"
  @keep = true
end

#process(directories) ⇒ Object 



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# File 'lib/rdupes.rb', line 53

def process(directories)
  @search_directories.clear
  directories.each { |d| add_search_directory(d) }
  raise 'No directories provided for duplicate search' if @search_directories.empty?
  raise 'fdupes needs to be installed' unless command? 'fdupes'

  say "Processing #{@search_directories}"
  say "Reference directory: #{@reference_directories}"

  Dir.mktmpdir do |dir|
    fdupes_output = File.join(dir, 'duplicates.log')
    # Redirect to file
    cmd = "fdupes -rq #{directories_for_search.shelljoin} > #{fdupes_output}"
    @logger.debug "Executing: #{cmd}"
    r = system cmd
    raise "fdupe crashed " unless r
    process_fdupes_result(fdupes_output)

    if @keep
      fdupes_output_copy = "#{Time.now.strftime('%Y-%m-%d_%H-%M-%S')}_duplicates.log"
      say "Copying fdupes result to #{fdupes_output_copy}"
      FileUtils.cp fdupes_output, fdupes_output_copy
    end

    say "Found #{@counters[:duplicate_groups]} duplicate groups"
    say "Found #{@counters[:duplicate_entries]} duplicate entries"
    say "Flagged #{@counters[:flag_for_delete]} files for deletion"
    say "Deleted #{@counters[:deleted]} files"
  end
end

#quiet! ⇒ Object 



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# File 'lib/rdupes.rb', line 22

def quiet!
  @logger.debug "Enabling quiet mode"
  @quiet = true
end