Class: ChangelogMerger::Parser

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

Class Method Summary collapse

Class Method Details

.parse_options ⇒ Object 



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# File 'lib/changelog_merger/parser.rb', line 8

def self.parse_options
  # :include_labels => %w(bug enhancement),

  options = {:message => 'Added automatically generated change log file',
            :output => 'CHANGELOG.md'
             # :dry_run => true
  }

  parser = OptionParser.new { |opts|
    opts.banner = 'Usage: changelog_merger [options]'
    opts.on('-r', '--repo [REPO]', 'destination repo in format user/repo') do |last|
      options[:repo] = last
    end
    opts.on('-d', '--dry-run', 'dry run') do |last|
      options[:dry_run] = last
    end
    opts.on('-x', 'just generate log and open it') do |last|
      options[:run_wo_pr] = last
    end
    opts.on('-o', '--output [NAME]', 'Output file. Default is CHANGELOG.md') do |last|
      options[:output] = last
    end
    opts.on('-t', '--token [TOKEN]', 'To make more than 50 requests per hour your GitHub token required. You can generate it here: https://github.com/settings/tokens/new') do |last|
      options[:token] = last
    end
    opts.on('-m', '--message [MESSAGE]', 'Message for pull request') do |last|
      options[:message] = last
    end
    options[:verbose] = true
    opts.on('--[no-]verbose', 'Run verbosely. Default is true') do |v|
      options[:verbose] = v
    end
    opts.on('-v', '--version', 'Print version number') do |v|
      puts "Version: #{ChangelogMerger::VERSION}"
      exit
    end
    options[:path] = `echo ~`.strip!
    opts.on('-p', '--path', 'Path to save projects') do |v|
      options[:path] = v
    end
    opts.on('-h', '--help', 'Displays Help') do
      puts opts
      exit
    end
  }

  begin
    parser.parse!

    if ARGV.count == 1
      options[:repo] = ARGV[0]
    end

    mandatory = [:repo] # Enforce the presence of
    missing = mandatory.select { |param| options[param].nil? } # the -t and -f switches
    unless missing.empty?
      puts "Missing options: #{missing.join(', ')}"
      puts parser
      exit
    end

    if options[:repo]
      options[:user], options[:project] = options[:repo].split('/')
    end

    if !options[:user] || !options[:project]
      puts parser.banner
      exit
    end

  rescue OptionParser::InvalidOption, OptionParser::MissingArgument
    puts $!.to_s # Friendly output when parsing fails
    puts parser
    exit
  end



  if options[:verbose]
    puts 'Performing task with options:'
    pp options
    puts ''
  end

  options
end