指定されたブランチを取得するlane

Fastfile

  ###############################
  # get latest release git branch
  ###############################
  desc "get latest release git branch"
  private_lane :git_latest_release_branch do
    pattern = "release\/(.+)"
    branches = git_find_branches(pattern: pattern)

    reg = Regexp.new(pattern)
    branches = branches.sort { |a, b|
      old_version = a.match(reg)[1]
      new_version = b.match(reg)[1]
      Gem::Version.create(new_version) <=> Gem::Version.create(old_version)
    }
    branches.first
  end

  ###############################
  # get specifed git branch
  #
  # :pattern
  ###############################
  desc "get specifed git branch"
  private_lane :git_find_branches do |options|
    pattern = options[:pattern]
    UI.user_error!("Not found pattern to find") unless pattern

    reg = Regexp.new(pattern)
    branches = git_all_branches
    branches.select { |b| b =~ reg }
  end

  ###############################
  # get all git branch list
  ###############################
  desc "get all git branch list"
  private_lane :git_all_branches do
    branches = Actions.sh("git branch")
    branches.split("\n").map { |b| b.gsub(/\*?\s+/, "") }
  end