Contents

# frozen_string_literal: true

require 'open3'

module Bunup
  # Run bundler commands
  class Bundler
    # Expects:
    #   "rails (newest 5.2.1, installed 5.2.0)"
    #   or
    #   "rails (newest 5.2.1, installed 5.2.0, requested = 5.2.0)"
    OUTDATED_PATTERN = /
      (?<name>.*)\s
      \(newest\s(?<newest>.*),\s
      installed\s(?<installed>.*?)
      (?:,\srequested.*)?
      \)
    /x.freeze

    # Expected output format:
    #   "\ngem-name (newest 1.0.0, installed 2.0.0)\n"
    def self.outdated(gem_names, only_explicit: false)
      args = %w[--parseable --strict]
      args << '--only-explicit' if only_explicit
      stdout, stderr, status = Open3.capture3(
        "bundler outdated #{gem_names.join(' ')} #{args.join(' ')}"
      )
      validate_output(stdout, stderr, status)
      stdout.strip
    end

    def self.validate_output(stdout, stderr, status)
      # `bundler outdated` exits with a 0 status if the gem is up-to-date
      raise ::SystemExit.new(true, 'Gem is up-to-date') if status.success?

      # `bundler outdated` exits with a status of 256 if the gem is out-of-date.
      # If it exits with some other status, print the error and exit with that
      # status
      unless status.to_i == 256
        raise ::SystemExit.new(
          status.to_i,
          "#{(stderr == '' ? stdout : stderr).chomp}\n"
        )
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
bunup-0.3.1	lib/bunup/bundler.rb
bunup-0.3.0	lib/bunup/bundler.rb