Class: Dependagrab::CLI

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

Class Method Summary collapse

Class Method Details

.startObject



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# File 'lib/dependagrab/cli.rb', line 6

def self.start
  opts = GetoptLong.new(
    [ '--help', '-h', GetoptLong::NO_ARGUMENT ],
    [ '--version', '-v', GetoptLong::NO_ARGUMENT ],
    [ '--output', '-o', GetoptLong::REQUIRED_ARGUMENT ],
  )

  options = {}

  begin
    opts.each do |opt, arg|
      case opt
      when '--help'
        print_help
        exit 0
      when '--version'
        puts "dependagrab #{Dependagrab::VERSION}"
        exit 0
      when '--output'
        options[:output] = arg
      end
    end
  rescue GetoptLong::Error => e
    STDERR.puts "Error: #{e.message}  (set DEBUG=true for detailed backtrace)"
    puts
    print_help
    STDERR.puts e.backtrace if ENV['DEBUG']
    exit 1
  end

  if ARGV.length != 1
    STDERR.puts "Missing REPO argument (try --help for usage)"
    exit 1
  end

  repo = ARGV.shift
  _, options[:owner], options[:repo] = repo.split /([\w_-]+)\/([\w._-]+)$/
  if options[:owner].nil? || options[:repo].nil?
    STDERR.puts "Invalid REPO format"
    exit 1
  end

  begin
    options.merge!(print: true)
    Dependagrab.run(options)
  rescue => e
    STDERR.puts "Error: #{e.message}  (set DEBUG=true for detailed backtrace)"
    STDERR.puts e.backtrace if ENV['DEBUG']
    exit 1
  end
end