Class: ComicBook::CLIHelpers

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

Class Method Summary collapse

Class Method Details

.binary_path(name) ⇒ Object 



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# File 'lib/comic_book/cli_helpers.rb', line 7

def binary_path name
  case RUBY_PLATFORM
  when /darwin/
    File.expand_path "../vendor/macos/#{name}", __FILE__
  when /linux/
    check_linux_dependency! name
    name
  when /mingw/
    File.expand_path "../vendor/windows/#{name}", __FILE__
  else
    raise "Unsupported platform: #{RUBY_PLATFORM}"
  end
end

.check_linux_dependency!(name) ⇒ Object

Raises:



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# File 'lib/comic_book/cli_helpers.rb', line 21

def check_linux_dependency! name
  return if system("which #{name} > /dev/null 2>&1")

  raise Error, "#{name} is not installed. Install with: sudo apt-get install unar (Ubuntu/Debian)"
end

.lsar_list(archive_path) ⇒ Object

Raises:



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# File 'lib/comic_book/cli_helpers.rb', line 27

def lsar_list archive_path
  bin_path = binary_path 'lsar'

  output, status = Open3.capture2e(bin_path, archive_path)

  raise Error, "lsar failed: #{output}" unless status.success?

  output.lines.drop(1).map(&:chomp).reject(&:empty?)
end

.unar_extract(archive_path, destination) ⇒ Object

Raises:



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# File 'lib/comic_book/cli_helpers.rb', line 37

def unar_extract archive_path, destination
  bin_path = binary_path 'unar'

  output, status = Open3.capture2e(
    bin_path,
    '-o', destination,
    '-f',
    '-D',
    archive_path
  )

  raise Error, "unar extraction failed: #{output}" unless status.success?

  output
end